WO2018164364A1 - 다중 생체 데이터를 이용한 비접촉식 다중 생체 인식 방법 및 다중 생체 인식 장치 - Google Patents
다중 생체 데이터를 이용한 비접촉식 다중 생체 인식 방법 및 다중 생체 인식 장치 Download PDFInfo
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- WO2018164364A1 WO2018164364A1 PCT/KR2018/000260 KR2018000260W WO2018164364A1 WO 2018164364 A1 WO2018164364 A1 WO 2018164364A1 KR 2018000260 W KR2018000260 W KR 2018000260W WO 2018164364 A1 WO2018164364 A1 WO 2018164364A1
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- biometric data
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/33—User authentication using certificates
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/197—Matching; Classification
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/70—Multimodal biometrics, e.g. combining information from different biometric modalities
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1312—Sensors therefor direct reading, e.g. contactless acquisition
Definitions
- the present invention relates to a non-contact multi-biometric method and a multi-biometric device using multiple biometric data, and more particularly, the success rate of biometric data recognition using a multi-biometric technology that acquires a plurality of biometric data to perform user identification
- the present invention relates to a non-contact multiple biometric recognition method and a multi-biometric recognition device using multiple biometric data which can increase and speed.
- biometric technology is a technology that measures the physical or behavioral characteristics of a living human being by using an automated device as a means of personal identification.
- biometric recognition can be classified into physical feature recognition and behavioral feature recognition.
- Physical feature recognition includes fingerprint recognition, face recognition, iris recognition, vein recognition, retina recognition, and hand geometry recognition. Speech recognition, gait recognition, signature recognition, and the like.
- biometrics the recognition of physical characteristics in biometrics has been developed for a relatively long time, and has been used as a security technology in various fields such as finance, access control, medical welfare, public, quarantine, and entertainment.
- the face recognition device captures a user's face image through a camera and performs user authentication by comparing the photographed face image with an image registered on the server. It has the advantage that it can be traced back by the submitted user's photo.
- the iris recognition device acquires an iris image by capturing the user's eyes and performs user authentication using the obtained iris image.
- the iris recognition device is statistically more accurate than DNA analysis and almost impossible to replicate. There is an advantage that can be recognized even if wearing.
- iris recognition technology has little change in life except in case of trauma or very rare disease, and thus can have high security.
- each device is installed separately, occupy a large volume, and the process is complicated because the user must perform a separate recognition process for each device, and the authentication takes a long time There was a problem.
- the wide angle camera is applied to the face recognition device and the iris recognition device, the resolution of the photographed image is lowered, and the corner portion of the photographed image is distorted. Therefore, it is difficult to identify the image, and thus there is a problem in that user authentication cannot be achieved because contrast between the captured image and the registered image is impossible.
- the face recognition device has been developed to apply an optical zoom (zoom) function to the camera to optically enlarge or reduce the object.
- the above-described face recognition device can only enlarge or reduce an object only optically, and it is impossible to correct a face image of a user, so that when a user does not perform authentication at a preset position, there is a problem that recognition is not possible.
- the camera is fixed at an arbitrary angle, even if the user performs authentication at a preset position, when the user tilts or bows, the face recognition device cannot recognize the user.
- the face recognition device When placed in a position higher or lower than the shooting range of the camera, there was a problem that can not be recognized.
- the technical problem to be achieved by the present invention is to enable simultaneous processing by fusing individual biometric technologies, and to prevent problems such as time consuming, inconvenience, and psychological resistance that may occur during registration or identification of user biometric information.
- the present invention provides a non-contact multi biometric recognition method and biometric recognition device using biometric data.
- Another technical problem of the present invention is to physically move or rotate each camera photographing a user's face and iris to correct a user's face image in a recognizable state, thereby authenticating a user in any situation regardless of the user's movement or posture.
- the present invention provides a contactless multi-biometric method and a multi-biometric apparatus using multi biometric data capable of performing a process and preventing problems such as resolution degradation and image distortion.
- biometric data when biometric data is input from a user, all biometric data obtained from a user's body is compared with biometric data registered in advance in real time to perform user identification, thereby increasing the probability of failure of user identification.
- a low-contact, multi-contact biometric recognition method using multiple biometric data capable of quick and accurate user identification and a multi-biometric recognition device are provided.
- the non-contact multi-biometric method using the multi-bio data when a user is detected within a predetermined range that can be measured, obtain a plurality of bio-data from the user in a non-contact state Thereafter, comparing the obtained plurality of biometric data with pre-registered biometric data, performing user authentication on each biometric data, and synthesizing the user authentication result regarding each biometric data to the biometric data. And judging the user as an authorized user when a result of the user authentication relating to a predetermined condition is satisfied.
- performing user authentication on each biometric data may include obtaining biometric data regarding a face and an iris from the user who is in a non-contact state through physical movement of the camera when the user approaches. It is characterized by.
- the obtained plurality of biometric data is compared with the previously registered biometric data, the user for each biometric data
- the step of performing authentication includes acquiring biometric data about a face from the user and comparing the biometric data with previously registered biometric data, and obtaining biometric data about the iris from the user and comparing the biometric data with the previously registered biometric data.
- acquiring biometric data about the face from the user may be compared with previously registered biometric data, and acquiring biometric data regarding the iris from the user may be compared with previously registered biometric data.
- Acquiring the biometric data of the face from the user and comparing the biometric data with the registered biometric data may include obtaining face image data from the user, extracting feature points from the face image data, and extracting feature points from the face image data. And comparing the extracted feature points with the feature points extracted from the previously registered biometric data, and determining whether the user is authenticated with respect to the face image based on a comparison result between the feature points.
- the acquiring of the face image data from the user may include moving or rotating the face recognition camera in a predetermined direction when the user approaches to acquire a face image of the user, and preset size of the face image of the user. And correcting the image to be a position, and obtaining the face image data from the corrected face image of the user.
- the acquiring of face image data from the user may include comparing face image information of the corrected face image of the user with preset reference image information, and recognizing the face if the face image information does not match the reference image information. It may be set to optically recalibrate the corrected face image of the user through a plurality of lenses provided in the camera.
- the acquiring of the face image data from the user may be configured to adjust the amount of light by using a pulse width modulation method when acquiring the face image of the user.
- Acquiring biometric data about the iris from the user and comparing the biometric data with pre-registered biometric data may include obtaining iris data for a part or the whole from the user, extracting a feature point from the iris data, and extracting the iris data from the iris data. And comparing the extracted feature points with the feature points extracted from the pre-registered biometric data, and determining whether the user is authenticated with respect to the iris based on a comparison result between the feature points.
- the step of acquiring iris data of a part or the whole from the user may include moving or rotating the iris recognition camera in a predetermined direction when the user approaches, thereby acquiring an eye region image of the user and acquiring the eye of the user. And correcting an area image to have a preset size and position, and obtaining the iris data from the corrected eye area image of the user.
- the eye region image of the corrected user may be optically recalibrated through a plurality of lenses provided in the iris recognition camera.
- Acquiring the iris data for the part or the whole from the user may be set to adjust the amount of light using a pulse width modulation method when the user's eye region image is acquired.
- Comprising the user authentication result for each of the biometric data if the user authentication result for each biometric data meets a preset condition, determining the user as an authorized user is a successful user authentication result and a predetermined user
- the method may include checking whether the authentication conditions match, and determining whether the user is authorized according to the successful user authentication result and the preset user authentication condition.
- the multi-biometric device when the user approaches, the biometric data input unit for obtaining a plurality of biometric data from the user in a non-contact state, and the plurality of biometric data obtained from the biometric data input unit; Comprising a biometric data identification unit for performing a user authentication by comparing the previously registered biometric data, the biometric data input unit when the user approaches, a plurality of biometrics related to the face and iris from the user through the physical movement of the camera It is characterized by acquiring data.
- the biometric data identification unit compares the plurality of biometric data with the previously registered biometric data to perform authentication on each biometric data separately, and determines whether the user is authorized by combining the authentication results of the biometric data. Can be.
- the biometric data input unit may include face recognition means including a face recognition camera capable of capturing a face of the user and obtaining face image data when the user approaches the biometric data input unit, and the user may approach the biometric data input unit.
- the iris recognition unit may include an iris recognition camera capable of capturing eyes of the user and obtaining iris data.
- the face recognition means and the iris recognition means include a pan tilt driver capable of moving or rotating the face recognition camera and the iris recognition camera in a predetermined direction, respectively, when the user approaches the biometric data input unit.
- the face image of the user and the eye region image of the user may be automatically obtained by driving the pan tilt driver, and the obtained face image of the user and the eye region image of the user may be corrected to a preset size and position. .
- the iris recognition means may obtain iris data about a part or the whole from the user.
- the face recognition means and the iris recognition means may adjust the amount of light by using a pulse width modulation method when acquiring the face image of the user and the eye region image of the user.
- a biometric data registration unit in which biometric data is registered in advance, an ID display unit displaying an identification result of the biometric data identification unit as an ID, a control unit controlling the biometric data input unit, the biometric data identification unit, the biometric data registration unit, and the ID display unit;
- the apparatus may further include an accommodation unit accommodating the biometric data input unit, the biometric data identification unit, the biometric data registration unit, the ID display unit, and the controller.
- Embodiments of the present invention can fuse a plurality of independent biometric technology, and can simultaneously perform a plurality of biometric recognition and identification, it can provide an aesthetically superior and user-friendly user interface.
- each camera photographing the user's face and iris is physically moved or rotated to correct the user's face image so as to recognize the user's face in any situation regardless of the user's movement or posture.
- Face and iris images can be taken at a uniform position and size, thereby preventing problems such as resolution degradation and image distortion.
- the iris data can be obtained in whole as well as in part, thereby improving security performance by applying the same security criteria to all users regardless of the physical defects of the users.
- biometric data when biometric data is input from the user, all biometric data obtained from the user's body is compared with biometric data registered in advance in real time to perform user identification, thereby reducing the probability of failure of user identification and making rapid user identification. Can lose.
- FIG. 1 is a block diagram illustrating a multiple biometric device according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of a multiple biometric device according to an embodiment of the present invention.
- FIG 3 is a perspective view of a combination of multiple biometric devices according to an embodiment of the present invention.
- FIG. 4 is a perspective view illustrating a combined biometric device according to another embodiment of the present invention.
- FIG. 5 is a diagram illustrating a user accessing a multi biometric device to perform authentication through a gate.
- FIG. 6 is a diagram illustrating the types of fingerprint data obtainable from a multi-biometric apparatus according to an exemplary embodiment of the present invention.
- FIGS. 7 to 15 are flowcharts illustrating a contactless multi-biometric method using multiple biometric data according to an exemplary embodiment of the present invention.
- the multi biometric device 100 when the body of the user 1 approaches a non-contact state, the multi biometric device 100 (hereinafter referred to as the multi biometric device 100) according to an embodiment of the present invention may be a user ( A biometric security device capable of acquiring a plurality of biometric data from 1) and identifying the user 1 based thereon, and includes a biometric data input unit 10.
- the biometric data input unit 10 obtains a plurality of biometric data from the user 1 accessing the multi-biometric apparatus 100.
- the biometric data input unit 10 includes a plurality of biometric data inputs related to the face and the iris from the body of the user who is in a non-contact state through physical movement of the camera.
- the "non-contact state” means that the body (for example, a finger or the palm, etc.) of the user 1 is disposed at a position that can be recognized from the present multi-biometric device 100, and the present multi-biometric device 100 Means not in contact with.
- the term "physical movement of the camera” refers to a state in which the camera moves from one point to another in a predetermined direction, as well as a state in which the camera is rotated at a predetermined angle toward a preset direction. do.
- the biometric data input unit 10 obtains a plurality of biometric data regarding the face and the iris from the user 1 through the physical movement or rotation of the camera, not the optical zoom function of the camera provided therein.
- a description of obtaining a plurality of biometric data about the face and the iris from the user 1 through physical movement or rotation of the camera will be described later.
- the biometric data input unit 10 may include a plurality of biometric recognition means capable of obtaining respective biometric data according to the body part of the user 1.
- the biometric data input unit 10 may include a face recognition unit 13 and an iris recognition unit 14.
- the face recognizing means 13 may obtain face image data from the user 1 when the user 1 approaches the biometric data input unit 10.
- the face recognition means 13 may include a face recognition camera 131.
- the face recognition camera 131 may acquire face image data by photographing the face of the user 1 when the user 1 approaches the multi-biometric device 100.
- a plurality of lenses (not shown) may be disposed coaxially in the face recognition camera 131 to have a structure in which distances can be adjusted to each other along the axial direction.
- the inside of the face recognition camera 131 may be provided with a motor (not shown) that is fastened to the structure supporting the plurality of lenses to rotate the structure to move the plurality of lenses in the axial direction. Therefore, the face recognition camera 131 may optically implement a zoom function.
- the face recognition means 13 may be the face recognition camera 131 itself, and unlike this, a processor (not shown) for processing image data photographed by the face recognition camera 131 and the face recognition camera 131. It may be a module including a.
- the iris recognition means 14 may obtain iris data from the user 1 when the user 1 approaches the biometric data input unit 10.
- Iris recognition means 14 may include an iris recognition camera 141.
- the iris recognition camera 141 may acquire iris data by capturing the eyes of the user 1 when the user 1 approaches the present multi-biometric device 100.
- a plurality of lenses (not shown) may be disposed coaxially in the iris recognition camera 141 and may have a structure in which distances can be adjusted to each other along the axial direction.
- the inside of the iris recognition camera 141 may be provided with a motor (not shown) that is fastened to the structure supporting the plurality of lenses to rotate the structure to move the plurality of lenses in the axial direction. Accordingly, the iris recognition camera 141 may optically implement a zoom function.
- the iris recognition means 14 may be the iris recognition camera 141 itself, in contrast, a processor (not shown) for processing image data photographed by the iris recognition camera 141 and the iris recognition camera 141. It may be a module including a.
- the face recognizing means 13 and the iris recognizing means 14 may include a pan tilt driver 15 capable of moving or rotating the face recognizing camera 131 and the iris recognizing camera 141 in a predetermined direction, respectively. Can be.
- the pan tilt driver 15 may be formed in a structure capable of linearly moving left, right, up, and down, as well as front, back, left, and right.
- the pan tilt driver 15 may include a plurality of actuators (not shown), a support structure (not shown) capable of supporting the face recognition camera 131 and the iris recognition camera 141.
- the face recognition unit 13 and the iris recognition unit 14 automatically drive the face image of the user through the driving of the pan tilt driver 15. And an eye region image of the user.
- the face image of the user and the eye region image of the user acquired through the face recognition camera 131 and the iris recognition camera 141 may be corrected to a preset size and position.
- the multi-biometric device 100 may fall within a setting range in which the user 1 may acquire the biometric data.
- the user's face image and the user's eye region image are automatically acquired through physical (mechanical) movement or rotation of the iris recognition camera 141 and the face recognition camera 131, and the acquired user's face
- the image and the eye region image of the user may be corrected to have a preset size and position.
- the iris recognition camera 141 and the face recognition camera 131 may be driven by the same pan tilt driver 15 or may be individually driven by separate pan tilt drivers 15.
- the face recognizing means 13 and the iris recognizing means 14 are different from the preset reference image information when the face image information on the corrected user's face image and the eye image information on the corrected user's eye region image are different from each other.
- the face recognition camera 131 and the iris recognition camera 141 may be configured to optically recalibrate the corrected face image of the user and the corrected eye region image of the user through a plurality of lenses.
- the face recognizing means 13 and the iris recognizing means 14 do not match the resolution or the size of the image of the corrected face image of the user and the corrected eye region image of the corrected user or the size of the image,
- the recalibration may be performed to enlarge or reduce the corresponding image by adjusting the distance between the lenses included in each camera.
- the iris recognition means 14 may obtain iris data about a part or the whole from the user.
- the multi-biometric apparatus 100 may perform user authentication on the iris only with a part of the iris, not the entire iris.
- the multi-biometric apparatus 100 recognizes the pattern information (feature point) of the entire iris and compares it with previously registered biometric data, and also recognizes the pattern information about a part of the iris (partial iris donut). pattern) to be compared with previously registered biometric data.
- the biometric data registration unit 30 to be described later both pattern information about the entire iris and pattern information about a part of the iris may be registered.
- the user 1 may be authenticated through the partial iris recognition function described above.
- the face recognizing means 13 and the iris recognizing means 14 may adjust the amount of light by using a pulse width modulation method when the user acquires a face image and an eye region image of the user from the user 1.
- the face recognizing means 13 and the iris recognizing means 14 include a PWM driver capable of adjusting the amount of light of the light source using a pulse width modulation method according to an illuminance sensor (not shown), a light source (not shown), and illuminance information ( Not shown) may be provided.
- the amount of light is automatically adjusted according to the surrounding environment to reduce noise in the image, and to acquire an image having a constant resolution.
- the biometric data input unit 10 may move from the body of the user 1 to the fingerprint and the venous vein in a state in which the body of the user 1 is not in contact. It is possible to further obtain a plurality of biological data relating to.
- the biometric data input unit 10 may further include a fingerprint recognition means 11 and a long vein recognition means 12.
- the fingerprint recognition unit 11 may obtain a plurality of fingerprint data from the finger of the user 1.
- the fingerprint recognition means 11 may be provided with a plurality of recognition cameras 111 and 113.
- the plurality of fingerprint recognition cameras 111 and 113 may acquire at least two or more fingerprint data by photographing the finger of the user 1.
- the plurality of fingerprint recognition cameras 111 and 113 may include a first fingerprint recognition camera 111 which photographs a predetermined number of finger fingerprints among the remaining fingers except the thumb, and a first one of the remaining fingers except the thumb.
- the fingerprint recognition camera 111 may include a second fingerprint recognition camera 113 which photographs a finger fingerprint that is not captured.
- the first fingerprint recognition camera 111 may include the first finger F1, the second finger F2, and the third finger F3 of the user 1.
- the second fingerprint recognition camera 113 may capture a fingerprint of the fourth finger F4 of the user 1.
- FIG. 6C the first fingerprint recognition camera 111 may include the first finger F1, the second finger F2, and the third finger F3 of the user 1.
- the second fingerprint recognition camera 113 may capture a fingerprint of the fourth finger F4 of the user 1.
- the first fingerprint recognition camera 111 photographs only the first finger F1 of the user 1, and the second fingerprint recognition camera 113 is the user.
- the fingerprint of the 2nd, 3rd, and 4th fingers F2, F3, F4 of (1) can also be image
- the first fingerprint recognition camera 111 and the second fingerprint recognition camera 113 may respectively photograph two finger fingerprints. That is, the plurality of fingerprint recognition cameras 111 and 113 may have four remaining fingerprints except for the thumb of the user 1 in a touchless state where the finger of the user 1 does not come into contact with the present multi-biometric device 100. Fingerprints can be taken simultaneously.
- the multi biometric device 100 may authenticate the user 1 through a plurality of fingerprint information.
- the fingerprint recognition means 11 may be the plurality of fingerprint recognition cameras 111 and 113 itself as described above.
- the plurality of fingerprint recognition cameras 111 and 113 and the plurality of fingerprint recognition cameras 111 may be used. It may be a module including a processor (not shown) for data processing the image photographed by, 113.
- the bowel vein recognition means 12 may obtain the bowel vein data from the palm of the user 1.
- the enteric vein recognition means 12 may include a enteric vein recognition camera 121.
- the bowel vein recognition camera 121 may acquire bowel vein data by photographing the palm of the user 1 when the user 1 approaches the present multi-biometric device 100.
- the vein recognition means 12 may be the enteric vein recognition camera 121 itself as described above, unlike the image obtained by the enteric vein recognition camera 121 and the enteric vein recognition camera 121 It may be a module including a processor (not shown) for data processing.
- the plurality of fingerprint recognition cameras 111 and 113 and the long vein recognition camera 121 may be arranged in a triangular composition as shown in FIGS. 2 and 6.
- the plurality of fingerprint recognition cameras 111 and 113 may enter the long vein recognition camera so that when the user's hand approaches the contactless state, the finger of the user 1 positioned relatively above the palm of the hand may be photographed. It may be disposed above the relative to 121. In addition, the bowel vein recognition camera 121 may be disposed relatively lower than the plurality of fingerprint recognition cameras 111 and 113 to photograph the palms of the user 1 positioned below the finger.
- the user 1 when the user 1 approaches his or her finger to the plurality of fingerprint recognition cameras 111 and 113 in order to input his or her biometric data to the biometric data input unit 10 of the present multi-biometric recognition device 100.
- the palm of the user 1 may be automatically disposed at a position facing the bowel vein recognition camera 121.
- the present multiple biometric device 100 includes a biometric data identification unit 20.
- the biometric data identification unit 20 compares a plurality of biometric data obtained from the biometric data input unit 10 with previously registered biometric data to perform user 1 authentication.
- the biometric data identification unit 20 simultaneously compares two or more biometric data obtained from the biometric data input unit 10 with previously registered biometric data, and authenticates each biometric data input from the biometric data input unit 10. May be performed separately, and the authentication result of each biometric data may be combined to determine whether the user is authorized. Of course, the time difference may occur individually in the authentication process according to the type or amount of each biometric data of the user 1 registered in advance.
- the biometric data identification unit 20 may be displayed externally through a display or the like so that the security manager can check the biometric data that is first identified among the biometric data.
- the biometric data identification unit 20 may perform verification to verify the identity by one-to-one matching or perform identification to find the user 1 among many people by one-to-n matching. It may be. In other words, strictly speaking, authentication and identification are separate and selectively used according to the application area.
- authentication or “identification” refers to a process of identifying or finding an identity using biometric data, and is preferably interpreted broadly.
- the multiple biometric device 100 may further include a biometric data register 30, an ID display unit 40, and a controller 50.
- the biometric data registration unit 30 may be configured to be connected to the biometric data identification unit 20 through the controller 50 to be described later, and the biometric data of the user 1 may be registered in advance. Accordingly, the biometric data identification unit 20 may perform identification by comparing biometric data obtained from the biometric data input unit 10 with biometric data of the user 1 registered in advance in the biometric data registration unit 30.
- the ID display unit 40 is configured to be connected to the biometric data identification unit 20 through the control unit 50, and displays the identification result of the biometric data of the user 1 identified by the biometric data identification unit 20 as an ID. can do.
- the identification result of the ID display unit 40 can be confirmed by the security administrator or the user 1.
- the controller 50 is connected to the biometric data input unit 10, the biometric data registration unit 30, the biometric data identification unit 20, and the ID display unit 40, and controls the respective operations.
- the multiple biometric device 100 may further include a biometric data storage database 60.
- the biometric data storage database 60 may backup the biometric data registered in the biometric data register 30. That is, if an artificial mistake, a hardware problem, a software problem, a theft, a computer virus, cyber terrorism or a disaster occurs, the biometric information of the user 1 registered in the biometric data register 30 may be lost. Can be. Therefore, the data of the biometric data register 30 may be set to be regularly backed up to the biometric data storage database 60.
- the biometric data storage database 60 may be used as a tamper protection function. That is, when the multiple biometric device 100 is separated from an external controller in which the multiple biometric device 100 is to be installed, all data registered in the biometric data register 30 may be deleted. On the contrary, when the multi-biometric apparatus 100 is reconnected to the controller, the data backed up to the biometric data storage database 60 may be restored to the biometric data register 30.
- the present multi-biometric apparatus 100 is lost due to theft or the like, it is possible to prevent the loss of biometric data as personal information. That is, when the multi-biometric apparatus 100 is separated from the external controller, all data registered in the biometric data register 30 is deleted, thereby preventing the biometric data of the user 1 from leaking. have. In addition, when the separated multi- biometric device 100 is connected to the external controller again, all data backed up to the biometric data storage database 60 is restored to the biometric data register 30, such as a mistake, repair, management, or the like. Even if the multi- biometric device 100 is disconnected from the external controller and reconnected for the purpose, the trouble of re-input of the biometric data does not occur.
- the multiple biometric device 100 may further include a receiving unit 70.
- the accommodating unit 70 includes the biometric data input unit 10, the biometric data identification unit 20, the biometric data registration unit 30, the ID display unit 40, and the control unit 50 inside. It may be formed into a structure for receiving.
- the accommodating part 70 is formed in a spherical shape, and inside the biological data inputting part 10, the biological data identifying part 20, the biological data registering part 30, the ID display part 40 and the control part.
- An accommodation space may be formed to accommodate 50.
- the accommodating part 70 is not limited to a spherical shape, and may be changed and applied to various shapes as necessary.
- the biometric data input unit 10, the biometric data identification unit 20, the biometric data registration unit 30, the ID display unit 40, and the controller 50 of the multi-biometric recognition device 100 may be formed in one module form. And be accommodated in the accommodation unit 70.
- the receiving portion 70 may include a plurality of envelopes.
- the plurality of envelopes may be composed of a front member 71, a rear member 72, two side members 73 and 74 located on both sides, an upper member 75 and a lower member 76. .
- the front member 71 and the rear member 72 are disposed to face each other, and formed in a curved shape so as to form a spherical shape when combined with the side members 73 and 74, the upper member 75 and the lower member 76. Can be.
- the two side members 73 and 74 may be detachably installed from the rear member 72. Therefore, the system administrator can open the side members 73 and 74 to mount the biometric module inside the accommodating part 70 or to maintain and repair the multi-biometric apparatus 100.
- the upper member 75 may be attached to an area inclined at a predetermined angle in the vertical direction in consideration of the convenience (accessibility) of the user 1. Accordingly, when the user's finger or palm approaches the present multiple biometric device 100, the user 1 may maintain a more comfortable posture.
- the upper member 75 may be formed in a half mirror structure.
- a plurality of through holes 751 and 753 may be formed at one side of the upper member 75 positioned in an area inclined at a predetermined angle in the vertical direction.
- the lens units of the plurality of fingerprint recognition cameras 111 and 113 installed in the accommodating part 70 may be disposed in the plurality of through holes 751 and 753, respectively.
- the plurality of through holes 751 and 753 are formed at one side to expose one surface of the first fingerprint recognition camera 111, and are formed at the other side to recognize the second fingerprint.
- One surface of the camera 113 may include a second through hole 753.
- the first fingerprint recognition camera 111 having one surface exposed to the outside through the first through hole 751 photographs a predetermined number of finger fingerprints among the remaining fingers except the thumb, and the second through hole 753.
- the second fingerprint recognition camera 113 having one surface exposed to the outside may capture a finger fingerprint which the first fingerprint recognition camera 111 did not capture among the remaining fingers except for the thumb.
- the lower member 76 is coupled to the front member 71 and the rear member 72, and at the center of the lower member 76, the receiving member 70 is connected to connect the present multi- biometric device 100 and an external controller.
- a communication hole 761 may be formed in communication with the accommodation space.
- the receiving part 70 has been described as being composed of six members, but the receiving part 70 is not limited thereto, and may be changed and applied in various forms.
- the upper member 75 and the lower member 76 of the receiving portion 70 may be formed in a hemispherical shape that is directly fastened to form a spherical shape.
- the receiving portion 70 may further include a fixing member 77.
- the fixing member 77 is formed in an annular shape, and the front member 71, the rear member 72, the both side members 73 and 74 and the upper member 75 except the lower member 76. ) May be combined.
- a ring-shaped light source 78 may be installed between the upper member 75 and the fixing member 77.
- the light source 78 may have a functional effect of inducing the finger or the palm of the user 1 with a decorative or aesthetic effect.
- accommodation unit 70 may further include a guide guide 79.
- the accommodating part 70 may be provided with a guide guide 79 for guiding the approaching direction of the user's finger or palm.
- the guide guide 79 may be formed on the surface of the upper member 75. Accordingly, the guide guide 79 guides the approaching direction of the finger or the palm of the user 1, and may guide the approaching direction of the finger or the palm by a preset guide method (for example, visual or tactile). Therefore, the fingers and palms of the user 1 may easily access the present multi- biometric device 100.
- the guide guide 79 may be formed to display a finger or a palm shape by the light source 78 or the transparent ink.
- the guide guide 79 may be displayed in a separate color or formed in a concave-convex shape.
- an air discharge unit may be provided at a portion where a finger or a palm is displayed to guide the user 1 to approach the multi- biometric apparatus 100 by sensing the wind.
- the guide guide 79 is not limited to the above-described embodiment and may be changed and applied in various forms within the conditions that can implement the same function.
- the access system using the multi biometric device 100 may identify the multi biometric device 100 as described above and the user 1 identified from the multi biometric device 100. It includes a gate 200 for selecting and entering.
- the gate 200 may be a means capable of physically controlling the entry and exit of the user 1, such as a swing door or a sliding door, and the structure and shape thereof are not particularly limited.
- the user 1 in order to pass through the gate 200, the user 1 must authenticate that he or she is the user 1 through the multi biometric device 100 and the user 1 by the multi biometric device 100. Upon passing the authentication process, the user 1 can pass through the gate 200.
- the user 1 provides his / her biometric information to the present multi-biometric apparatus 100 in order to pass through the gate 200, and the present multi-biometric apparatus 100 is obtained from the user 1.
- the biometric data may be compared with the biometric data of the user 1 registered in advance to perform identification.
- the user 1 may view his or her finger or palm while approaching the present multi-biometric apparatus 100 in a non-contact state. Look at (100). Accordingly, the biometric data input unit 10 included in the multi-biometric recognition device 100 acquires biometric data of the user 1.
- the multi-biometric apparatus 100 may set various access permission conditions.
- access permission conditions by combining the above two cases as appropriate. For example, in case of authentication by high vein (intestinal vein) or iris with high accuracy and stability of data, access can be allowed based on only one biometric data, whereas data accuracy and stability are relatively low. When authentication is performed by using a face image, other biometric data, for example, fingerprint or iris, may also be requested to increase the security. In addition, various access permission conditions may be set in consideration of security requirements or authentication speeds.
- the access system using the multiple biometric device 100 will be described for the purpose of passing through the gate 200 (entry security gate 200) for ease of description, but the description of the multiple biometric device 100 It is to be understood that the present invention is not limited and can be applied to all systems related to security.
- each component for describing a contactless multi-biometric method using multiple biometric data will be used for the convenience of description and the same reference numerals are used to describe the multi-biometric recognition device 100, and redundant descriptions will be omitted. Shall be.
- a user 1 or an administrator must register biometric data of the user 1 in the multi-biometric apparatus 100.
- Registration of the biometric data of the user 1 is basically an act of extracting and storing features of the user 1. All the biometric data of the user 1 obtained as described above may be stored in the biometric data register 30. All biometric data of the user 1 registered in the biometric data registration unit 30 may be backed up to the biometric data storage database 60 to preserve data.
- the multi-biometric apparatus 100 and the biometric data storage database 60 may be connected by wire or wirelessly.
- the multi-biometric apparatus 100 releases the standby state (S10).
- the multi-biometric apparatus 100 obtains a plurality of biometric data from the user 1 in a non-contact state through physical movement of the camera, and then registers the obtained biometric data in advance.
- the user authentication is performed on each biometric data by comparing the data with each other (S20).
- the "physical movement of the camera” refers to a state in which the camera moves from one point to another in a predetermined direction, as well as a state in which the camera is rotated at a predetermined angle toward a preset direction. do.
- the multi-biometric apparatus 100 may acquire a plurality of biometric data from the user 1 in a non-contact state by moving the camera to a specific position or rotating in a specific direction. have.
- the multi-biometric apparatus 100 may face the user 1 from a non-contact state through physical movement of the camera. After biometric data about and biometric data about iris are obtained and compared with previously registered biometric data, user authentication for each biometric data is simultaneously performed (S21 and S22).
- “simultaneously performing” does not mean that a plurality of processes are performed at the same time in time, and the plurality of processes have a time difference according to the processing process individually, but are integrated at once in the whole process. It means to be processed.
- the multi-biometric apparatus 100 obtains face image data from the user 1 (S211).
- the multi-biometric apparatus 100 moves or rotates the face recognition camera 131 in a predetermined direction so as to acquire a face image of the user and simultaneously obtain the face image of the user.
- the face image is corrected to have a preset size and position (S2111).
- the multi-biometric apparatus 100 obtains face image data from the corrected face image of the user (S2112).
- the multi-biometric apparatus 100 may include a pan tilt driver 15 that may move or rotate the face recognition camera 131 in a predetermined direction.
- the pan tilt driver 15 may be formed in a structure capable of linearly moving left, right, up, and down, as well as front, back, left, and right.
- the pan tilt driver 15 may include a plurality of actuators (not shown) and a support structure (not shown) capable of supporting the face recognition camera 131.
- the multi-biometric apparatus 100 may automatically obtain a face image of the user through the driving of the pan tilt driver 15.
- the face image of the user acquired through the face recognition camera 131 may be corrected to a preset size and position.
- the multi-biometric device 100 may be located within a setting range in which the user 1 may acquire the biometric data.
- the face image of the user may be automatically acquired through physical (mechanical) movement or rotation of the face recognition camera 131, and the corrected face image of the user may be corrected to have a preset size and position.
- the multi-biometric apparatus 100 determines whether to recalibrate the corrected user's face image by comparing the face image information of the corrected user's face image with preset reference image information.
- the multi-biometric apparatus 100 compares the face image information regarding the corrected face image of the user with preset reference image information (S2113). In this case, when the face image information does not match the reference image information, the multi-biometric apparatus 100 optically displays the face image of the user corrected through a plurality of lenses (not shown) included in the face recognition camera 131. It is set to recalibrate (S2114).
- a plurality of lenses may be disposed coaxially in the face recognition camera 131 to have a structure in which distances can be adjusted to each other along the axial direction.
- the inside of the face recognition camera 131 may be provided with a motor (not shown) that is fastened to the structure supporting the plurality of lenses to rotate the structure to move the plurality of lenses in the axial direction. Therefore, the face recognition camera 131 may optically implement a zoom function.
- the multi-biometric apparatus 100 adjusts the corresponding image by adjusting the distance between the lenses of the camera. You can perform recalibration to zoom in or out.
- the multi-biometric apparatus 100 may be configured to adjust the amount of light by using a pulse width modulation method when acquiring a face image of the user.
- the multi-biometric apparatus 100 includes an illumination sensor (not shown), a light source (not shown), and a PWM driver (not shown) that can adjust the amount of light of the light source using a pulse width modulation method according to the illumination information.
- the amount of light may be adjusted by using a pulse width modulation method.
- the amount of light is automatically adjusted according to the surrounding environment to reduce noise in the image, and to acquire an image having a constant resolution.
- the multi-biometric apparatus 100 extracts a feature point from the acquired face image data (S212).
- the feature points extracted from the face image data may include distances between body parts such as eyes, nose, mouth, ears, and eyebrows included in the face, size of each body part, face shape, shape of each body part, and the like. .
- the multi-biometric apparatus 100 compares the feature point extracted from the face image data with the feature point extracted from the registered biometric data (S213), and compares each feature point. On the basis of the determination whether the user authentication for the face (S214).
- the multi-biometric apparatus 100 determines that the user authentication for the face is successful (S214a) and vice versa. If the matching ratio between the feature points extracted from the face image data and the feature points extracted from the pre-registered biometric data is less than the preset reference value, it is determined that the user authentication for the face has failed (S214b).
- the multi-biometric apparatus 100 when the user 1 is detected, the multi-biometric apparatus 100 first acquires iris data from the user 1 (S221).
- the multi-biometric apparatus 100 moves or rotates the iris recognition camera 131 in a preset direction, thereby acquiring an eye region image of the user and being acquired at the same time.
- the eye region image is corrected to have a preset size and position (S2211).
- the multi-biometric apparatus 100 obtains iris data from the corrected eye region image of the user (S2212).
- the multi-biometric apparatus 100 may include a pan tilt driver 15 that may move or rotate the iris recognition camera 141 in a predetermined direction.
- the pan tilt driver 15 may be formed in a structure capable of linearly moving left, right, up, and down, as well as front, back, left, and right.
- the pan tilt driver 15 may include a plurality of actuators (not shown) and a support structure (not shown) capable of supporting the face recognition camera 131.
- the present multi- biometric apparatus 100 may automatically acquire the user's eye area inversion through the driving of the pan tilt driver 15.
- the eye region image of the user acquired through the iris recognition camera 141 may be corrected to a preset size and position.
- the multi-biometric apparatus 100 may be located within a setting range where the user 1 can obtain biometric data even if the user 1 does not intentionally approach the multi- biometric apparatus 100 in which his / her eyes are intentionally viewed.
- the eye region image of the user may be automatically acquired through physical (mechanical) movement or rotation of the iris recognition camera 141, and the corrected eye region image of the user may be corrected to have a preset size and position. .
- the multi- biometric device 100 obtains iris data about a part or the whole from a user.
- the multi- biometric device 100 may perform user authentication using a part of the iris or the entire iris.
- the multi-biometric apparatus 100 recognizes the pattern information (feature point) of the entire iris and compares it with previously registered biometric data, and also recognizes the pattern information about a part of the iris (partial iris donut). pattern) to be compared with previously registered biometric data.
- the user 1 may be authenticated through the partial iris recognition function described above.
- the multi-biometric apparatus 100 determines whether to recalibrate the corrected eye region image by comparing the corrected eye image information with respect to the preset reference image information.
- the multi-biometric apparatus 100 compares the eye image information regarding the corrected eye region image and the preset reference image information (S2213). In this case, when the eye image information does not match the reference image information, the multi-biometric apparatus 100 optically recalibrates a user's eye region image corrected through a plurality of lenses provided in the iris recognition camera 141. It is set to S2214.
- a plurality of lenses may be disposed coaxially in the iris recognition camera 141 to have a structure in which distances can be adjusted to each other along the axial direction.
- the inside of the iris recognition camera 141 may be provided with a motor (not shown) that is fastened to the structure supporting the plurality of lenses to rotate the structure to move the plurality of lenses in the axial direction. Accordingly, the iris recognition camera 141 may optically implement a zoom function.
- the multi-biometric apparatus 100 may adjust the distance between the lenses of the camera. Recalibration to enlarge or reduce the image can be performed.
- the multi-biometric apparatus 100 may be configured to adjust the amount of light by using a pulse width modulation method when acquiring an eye region image of the user.
- the multi-biometric apparatus 100 includes an illumination sensor (not shown), a light source (not shown), and a PWM driver (not shown) that can adjust the amount of light of the light source using a pulse width modulation method according to the illumination information.
- the amount of light may be adjusted by using a pulse width modulation method.
- the amount of light is automatically adjusted according to the surrounding environment to reduce noise in the image, and to acquire an image having a constant resolution.
- the multi- biometric apparatus 100 extracts a feature point from the obtained iris data (S222).
- the feature point extracted from the iris data may include a distance between each pattern of the iris, the size and shape of the pattern of the specific region, and the like.
- the multi-biometric apparatus 100 compares the feature point extracted from the iris data with the feature point extracted from the registered biometric data (S223), and based on the comparison result between the feature points. It is determined whether the user authentication for the iris (S224).
- the multi-biometric apparatus 100 determines that the user authentication for the iris is successful (S224a).
- the matching ratio between the feature points extracted from the iris data and the feature points extracted from the pre-registered biometric data is less than the preset reference value, it is determined that the user authentication for the iris has failed (S224b).
- the multi-biometric recognition apparatus 100 simultaneously acquires biometric data about a fingerprint and biometric data about a long vein from the user 1 and registers the biometrics registered in advance. After comparing with the data, user authentication for each biometric data may be further performed.
- the user authentication (S23) for the fingerprint and the user authentication (S24) for the long vein may be performed simultaneously with the user authentication (S21) for the face and the user authentication (S22) for the iris.
- FIGS. 13 and 14 a process of performing user authentication using biometric data regarding a fingerprint and a bowel vein will be described in more detail.
- the multi-biometric apparatus 100 performs user authentication regarding a fingerprint (S23).
- the multi-biometric device 100 obtains one fingerprint data from the user 1 (S231), and extracts a feature point from the acquired one fingerprint data (S232). .
- the multi- biometric apparatus 100 compares the feature points extracted from one fingerprint data with the feature points extracted from pre-registered biometric data in real time (S233), and determines whether to authenticate a user on a fingerprint based on a comparison result between the feature points. The determination is made (S234).
- one fingerprint data may be formed of a plurality of group fingerprint information including at least one finger fingerprint information.
- the plurality of group fingerprint information may be formed of first group fingerprint information photographed by the first fingerprint recognition camera 111 and second group fingerprint information photographed by the second fingerprint identification camera 113. That is, the multi- biometric device 100 may include a first fingerprint recognition camera 111 and a second fingerprint recognition camera 113.
- the plurality of group fingerprint information includes first fingerprint data including fingerprint information about the first finger F1 and fingerprint information about the second to fourth fingers F2, F3, and F4 (FIG. 6A). ), Second fingerprint data (FIG. 6B) including fingerprint information about the first to second fingers F1 and F2 and fingerprint information about the third to fourth fingers F3 and F4. And third fingerprint data (FIG. 6C) including fingerprint information about the first to third fingers F1, F2, and F3, and fingerprint information about the fourth finger F4.
- the plurality of group fingerprint information is not limited to the above embodiment, and may be changed in more various ways.
- the multi-biometric apparatus 100 extracts the feature point extracted from one fingerprint data and the feature point extracted from pre-registered biometric data.
- the matching rate of is less than the preset reference value, it is set to further acquire one fingerprint data from the user 1 again.
- the multi-biometric apparatus 100 when the coincidence rate between the feature points is less than a preset reference value, the multi-biometric apparatus 100 further obtains one piece of fingerprint data from the user 1 again.
- the preset reference value may be arbitrarily set through the administrator.
- the multi-biometric apparatus 100 compares the number of times of additionally obtaining one fingerprint data from the user with a preset number of times (S235).
- the multi-biometric apparatus 100 compares in real time a feature point extracted from one fingerprint data with a feature point extracted from pre-registered biometric data, the feature point extracted from one fingerprint data and the feature point extracted from pre-registered biometric data. If the matching ratio is equal to or greater than the preset reference value, it is determined that the user authentication for the fingerprint is successful (S234a). On the contrary, when the multi-biometric apparatus 100 needs to acquire one piece of fingerprint data from the user 1 again, the number of times of additionally obtaining one piece of fingerprint data from the user 1 is compared with a preset number of times. If the number of times of additionally obtaining one fingerprint data from (1) is greater than or equal to a preset number, it is determined that the user authentication has failed (S234b).
- the multi-biometric apparatus 100 when the body information of the user 1 is detected, the multi-biometric apparatus 100 performs user authentication on the fingerprint (S23) and user authentication on the long vein (S24). Do this.
- the multi- biometric apparatus 100 obtains enteric venous data from the user 1 (S241), and extracts feature points from the obtained enteric vein data (S242). do. Then, the multi-biometric apparatus 100 compares the feature points extracted from the long vein data with the feature points extracted from the pre-registered biometric data (S243), and determines whether the user is authenticated with respect to the long vein based on the comparison result between the feature points ( S244).
- the multi-biometric apparatus 100 compares the feature points extracted from the long vein data and the feature points extracted from the pre-registered biometric data, the coincidence ratio between the feature points extracted from the venous vein data and the feature points extracted from the pre-registered biometric data is in advance.
- the reference value is greater than or equal to the predetermined reference value, it is determined that the user authentication for the enteric vein is successful (S244a).
- the matching ratio between the feature point extracted from the intestinal vein data and the feature point extracted from the pre-registered biometric data is less than the preset reference value, It is determined that the user authentication has failed (S244b).
- the multi-biometric apparatus 100 synthesizes user authentication results for each biometric data and displays a user authentication result for each biometric data. If the predetermined authentication condition is satisfied, the user 1 is determined as an authorized user (S30).
- the multi-biometric apparatus 100 checks whether a successful user authentication result matches a preset user authentication condition (S31).
- the predetermined user authentication condition may be a user authentication condition based on one biometric data, a user authentication condition based on a plurality of biometric data, and a user authentication condition based on a plurality of biometric data including one designated biometric data.
- the user authentication condition may be set based on a plurality of biometric data including a plurality of designated biometric data.
- the multi-biometric apparatus 100 determines whether the user is authorized based on a result of the successful user authentication and a predetermined user authentication condition.
- the multi-biometric apparatus 100 determines that the user 1 is an authorized user when a successful user authentication result matches a preset user authentication condition, and conversely, the successful user authentication result is a preset user authentication. If the condition does not match, the user 1 is determined to be an unauthorized user.
- embodiments of the present invention can fuse a plurality of independent biometric technologies to simultaneously perform a plurality of biometric recognition and identification, and can provide an aesthetically superior and user-friendly user interface.
- each camera photographing the face and iris of the user 1 is physically moved or rotated using the pan tilt driver 15 to correct the face image of the user 1 so as to be recognizable.
- the face and iris images of the user 1 may be photographed at a uniform position and size, thereby preventing problems such as resolution degradation and image distortion.
- the iris data can be obtained in whole as well as in part, so that security performance can be improved by applying the same security criteria to all users regardless of physical defects of the user 1.
- biometric data when the biometric data is input from the user 1, all biometric data obtained from the body of the user 1 is compared with the biometric data registered in advance in real time to perform user identification, thereby increasing the probability of failure of user identification. Lower and faster user identification can be achieved.
- the present invention relates to a contactless multiple biometric recognition method, which can be applied to various authentication systems, has repeatability, and has industrial applicability.
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Abstract
Description
Claims (18)
- 측정 가능한 미리 설정된 범위 내에 사용자가 감지될 경우, 비접촉 상태인 상기 사용자로부터 복수의 생체 데이터를 획득한 후, 획득한 복수의 생체 데이터를 미리 등록된 생체 데이터와 비교하여, 각 생체 데이터에 관한 사용자 인증을 수행하는 단계, 그리고상기 각 생체 데이터에 관한 사용자 인증 결과를 종합하여, 상기 각 생체 데이터에 관한 사용자 인증 결과가 미리 설정된 조건을 만족시킬 경우 상기 사용자를 인가된 사용자로 판단하는 단계를 포함하고,상기 측정 가능한 미리 설정된 범위 내에 사용자가 감지될 경우, 비접촉 상태인 상기 사용자로부터 복수의 생체 데이터를 획득한 후, 획득한 복수의 생체 데이터를 미리 등록된 생체 데이터와 비교하여, 각 생체 데이터에 관한 사용자 인증을 수행하는 단계는상기 사용자의 접근 시, 카메라의 물리적인 이동을 통하여 비접촉 상태인 상기 사용자로부터 얼굴 및 홍채에 관한 생체 데이터를 획득하는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제1항에 있어서,상기 측정 가능한 미리 설정된 범위 내에 사용자가 감지될 경우, 비접촉 상태인 상기 사용자로부터 복수의 생체 데이터를 획득한 후, 획득한 복수의 생체 데이터를 미리 등록된 생체 데이터와 비교하여, 각 생체 데이터에 관한 사용자 인증을 수행하는 단계는상기 사용자로부터 얼굴에 관한 생체 데이터를 획득하여 미리 등록된 생체 데이터와 비교하는 단계, 그리고상기 사용자로부터 홍채에 관한 생체 데이터를 획득하여 미리 등록된 생체 데이터와 비교하는 단계를 포함하되,상기 사용자로부터 얼굴에 관한 생체 데이터를 획득하여 미리 등록된 생체 데이터와 비교하는 단계, 및 상기 사용자로부터 홍채에 관한 생체 데이터를 획득하여 미리 등록된 생체 데이터와 비교하는 단계는 동시에 이루어지는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제2항에 있어서,상기 사용자로부터 얼굴에 관한 생체 데이터를 획득하여 미리 등록된 생체 데이터와 비교하는 단계는상기 사용자로부터 얼굴 이미지 데이터를 획득하는 단계,상기 얼굴 이미지 데이터로부터 특징점을 추출하는 단계,상기 얼굴 이미지 데이터로부터 추출한 특징점을 상기 미리 등록된 생체 데이터로부터 추출한 특징점과 비교하는 단계, 그리고각 특징점 간의 비교결과를 바탕으로 얼굴 이미지에 관한 사용자 인증여부를 판단하는 단계를 포함하는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제3항에 있어서,상기 사용자로부터 얼굴 이미지 데이터를 획득하는 단계는상기 사용자의 접근시, 얼굴 인식 카메라를 미리 설정된 방향으로 이동 또는 회전시켜, 사용자의 얼굴 영상을 획득함과 동시에 획득된 상기 사용자의 얼굴 영상을 미리 설정된 크기 및 위치가 되도록 보정하는 단계, 그리고보정된 사용자의 얼굴 영상으로부터 상기 얼굴 이미지 데이터를 획득하는 단계를 포함하는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제4항에 있어서,상기 사용자로부터 얼굴 이미지 데이터를 획득하는 단계는보정된 사용자의 얼굴 영상에 관한 얼굴영상정보와 미리 설정된 기준영상정보를 비교하고, 상기 얼굴영상정보가 상기 기준영상정보에 일치하지 않을 경우, 상기 얼굴 인식 카메라에 구비된 복수개의 렌즈를 통하여 상기 보정된 사용자의 얼굴 영상을 광학적으로 재보정하도록 설정되는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제4항에 있어서,상기 사용자로부터 얼굴 이미지 데이터를 획득하는 단계는상기 사용자의 얼굴 영상의 획득 시, 펄스 폭 변조(Pulse Width Modulation) 방식을 이용하여 광량을 조절하도록 설정되는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제2항에 있어서,상기 사용자로부터 홍채에 관한 생체 데이터를 획득하여 미리 등록된 생체 데이터와 비교하는 단계는상기 사용자로부터 부분 혹은 전체에 대한 홍채 데이터를 획득하는 단계,상기 홍채 데이터로부터 특징점을 추출하는 단계,상기 홍채 데이터로부터 추출한 특징점을 상기 미리 등록된 생체 데이터로부터 추출한 특징점과 비교하는 단계, 그리고각 특징점 간의 비교결과를 바탕으로 홍채에 관한 사용자 인증여부를 판단하는 단계를 포함하는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제7항에 있어서,상기 사용자로부터 부분 혹은 전체에 대한 홍채 데이터를 획득하는 단계는상기 사용자의 접근시, 홍채 인식 카메라를 미리 설정된 방향으로 이동 또는 회전시켜, 사용자의 눈 영역 영상을 획득함과 동시에 획득된 상기 사용자의 눈 영역 영상을 미리 설정된 크기 및 위치가 되도록 보정하는 단계, 그리고보정된 사용자의 눈 영역 영상으로부터 상기 홍채 데이터를 획득하는 단계를 포함하는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제8항에 있어서,상기 사용자로부터 부분 혹은 전체에 대한 홍채 데이터를 획득하는 단계는보정된 사용자의 눈 영역 영상에 관한 눈영상정보와 미리 설정된 기준영상정보를 비교하고, 상기 눈영상정보가 상기 기준영상정보와 일치하지 않을 경우, 상기 홍채 인식 카메라에 구비된 복수개의 렌즈를 통하여 상기 보정된 사용자의 눈 영역 영상을 광학적으로 재보정하도록 설정되는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제9항에 있어서,상기 사용자로부터 부분 혹은 전체에 대한 홍채 데이터를 획득하는 단계는상기 사용자의 눈 영역 영상의 회득 시, 펄스 폭 변조 방식을 이용하여 광량을 조절하도록 설정되는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 제1항에 있어서,상기 각 생체 데이터에 관한 사용자 인증 결과를 종합하여, 상기 각 생체 데이터에 관한 사용자 인증 결과가 미리 설정된 조건을 만족시킬 경우 상기 사용자를 인가된 사용자로 판단하는 단계는성공된 사용자 인증 결과와 미리 설정된 사용자 인증조건의 일치여부를 확인하는 단계, 그리고상기 성공된 사용자 인증 결과와 상기 미리 설정된 사용자 인증조건의 일치여부 결과에 따라 사용자 인가여부를 판단하는 단계를 포함하는 것을 특징으로 하는 비접촉식 다중 생체 인식 방법.
- 사용자가 접근할 경우, 비접촉 상태인 사용자로부터 복수개의 생체 데이터를 획득하는 생체 데이터 입력부, 그리고상기 생체 데이터 입력부로부터 획득된 상기 복수개의 생체 데이터와 미리 등록되어 있는 생체 데이터를 비교하여 사용자 인증을 수행하는 생체 데이터 식별부를 포함하고,상기 생체 데이터 입력부는 상기 사용자의 접근 시, 카메라의 물리적인 이동을 통하여 상기 사용자로부터 얼굴 및 홍채에 관한 복수개의 생체 데이터를 획득하는 것을 특징으로 하는 다중 생체 인식 장치.
- 제12항에 있어서,상기 생체 데이터 식별부는상기 복수개의 생체 데이터를 상기 미리 등록되어 있는 생체 데이터와 동시에 비교하여 각 생체 데이터에 관한 인증을 개별 수행하고,상기 각 생체 데이터에 관한 인증 결과를 종합하여 사용자 인가여부를 판단하는 것을 특징으로 하는 다중 생체 인식 장치.
- 제12항에 있어서,상기 생체 데이터 입력부는상기 사용자가 상기 생체 데이터 입력부 측으로 접근할 경우, 사용자의 얼굴을 촬영하여 얼굴 이미지 데이터를 획득 가능한 얼굴 인식 카메라를 구비하는 얼굴 인식 수단, 그리고상기 사용자가 상기 생체 데이터 입력부 측으로 접근할 경우, 사용자의 눈을 촬영하여 홍채 데이터를 획득 가능한 홍채 인식 카메라를 구비하는 홍채 인식 수단을 포함하는 것을 특징으로 하는 다중 생체 인식 장치.
- 제14항에 있어서,상기 얼굴 인식 수단 및 상기 홍채 인식 수단은상기 얼굴 인식 카메라 및 상기 홍채 인식 카메라를 각각 미리 설정된 방향으로 이동 또는 회전시킬 수 있는 팬틸트 드라이버를 구비하여, 상기 사용자가 상기 생체 데이터 입력부 측으로 접근할 경우, 상기 팬틸트 드라이버의 구동을 통하여 자동적으로 사용자의 얼굴 영상 및 사용자의 눈 영역 영상을 획득하되,획득된 상기 사용자의 얼굴 영상 및 상기 사용자의 눈 영역 영상은미리 설정된 크기 및 위치로 보정되어 있는 것을 특징으로 하는 다중 생체 인식 장치.
- 제14항에 있어서,상기 홍채 인식 수단은상기 사용자로부터 부분 혹은 전체에 관한 홍채 데이터를 획득하는 것을 특징으로 하는 다중 생체 인식 장치.
- 제15항에 있어서,상기 얼굴 인식 수단 및 상기 홍채 인식 수단은상기 사용자의 얼굴 영상 및 상기 사용자의 눈 영역 영상의 획득 시, 펄스 폭 변조 방식을 이용하여 광량을 조절하는 것을 특징으로 하는 다중 생체 인식 장치.
- 제12항에 있어서,생체 데이터가 미리 등록되어 있는 생체 데이터 등록부,상기 생체 데이터 식별부의 식별 결과를 ID로 표시하는 ID 표시부,상기 생체 데이터 입력부, 상기 생체 데이터 식별부, 상기 생체 데이터 등록부 및 상기 ID 표시부를 제어하는 제어부, 그리고상기 생체 데이터 입력부, 상기 생체 데이터 식별부, 상기 생체 데이터 등록부, 상기 ID 표시부 및 상기 제어부를 내측에 수용하는 수용부를 더 포함하는 것을 특징으로 하는 다중 생체 인식 장치.
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Also Published As
Publication number | Publication date |
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KR101962203B1 (ko) | 2019-03-27 |
CN110431555A (zh) | 2019-11-08 |
JP6888788B2 (ja) | 2021-06-16 |
KR20180104232A (ko) | 2018-09-20 |
US20200057847A1 (en) | 2020-02-20 |
JP2020510259A (ja) | 2020-04-02 |
EP3594834A1 (en) | 2020-01-15 |
EP3594834A4 (en) | 2020-11-04 |
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