KR101758663B1 - Cctv controller, oprating method and computer program thereof - Google Patents

Abstract

The present invention relates to a surveillance camera controller, an operation method thereof, and a computer program. A method for operating a surveillance camera controller, the method comprising: receiving a first image in a wide range from a first camera; receiving a second image in a local range from a second camera; Determining whether the position of the moving object belongs to or belongs to the area range, determining whether the position of the moving object is immediately before belonging to or belonging to the area, comparing the difference image with the moving image, Obtaining the speed information and the passing frequency information and setting the area range in a direction in which the passing frequency of the moving object is high and / or a direction in which the average speed is high using the speed information and the passing frequency information; And a third image is generated by combining the two images so that the second image is positioned in one area of the first image, And transmitting the first image to the server when the third image is generated, and transmitting the third image to the server when the third image is generated. According to the present invention, when a moving object enters a local area, a mixed image in which a wide-range image and a local-range image are mixed is transmitted to a user. Therefore, Can be confirmed.

Description

Technical Field [0001] The present invention relates to a surveillance camera controller, a surveillance camera controller,

The present invention relates to a surveillance camera controller, an operation method thereof, and a computer program, and more particularly, to a surveillance camera controller capable of processing a plurality of images received from a plurality of cameras to generate more effective surveillance images, A surveillance camera control device, a method, and a computer program.

In recent years, intelligent surveillance systems are emerging to solve terrorism and security problems with the development of CCTV development and communication. Major public facilities, military frontiers, and corporate security are the challenges facing governments and corporations, and are focused on improving performance and reliability of recognition rates.

However, existing security surveillance systems require a separate administrator to monitor the system continuously in order to prevent it. Therefore, it is necessary to combine system construction and manpower, which leads to disadvantages of cost increase. On the other hand, recent emerging intelligent surveillance technologies are attracting attention because they can automatically identify potential threats and keep track of moving objects without any additional monitoring personnel.

In the rural areas, theft of crops and fruit crops occurred during harvest, and a security camera was installed in order to monitor them. However, in the case of theft act performed at night, the problem is that the number of the vehicle is not clearly recognized and the suspect is not identified there was.

In order to solve such a problem, the LED floodlight was installed and the range of the camera was examined. However, when the LED floodlight was turned on overnight, there was a problem of power loss and it was difficult to shoot a moving object by accurately irradiating light.

Therefore, it has become necessary to develop a surveillance camera capable of acquiring clear images at night, performing wide area surveillance and local surveillance, and minimizing power waste for acquiring clear images.

An object of the present invention is to provide a surveillance camera controller capable of simultaneously monitoring a wide range and an area range using an image photographed by a plurality of cameras and acquiring a clear image of a moving object.

In addition, when a moving object enters a local area, the present invention generates a mixed image in which a wide-area image and a local-area image are mixed and transmits the mixed image to a user, And to provide a surveillance camera controller capable of confirming images of the surveillance camera.

It is another object of the present invention to provide a surveillance camera controller capable of acquiring a clear image of a moving object even at night without wasting power, enabling rapid image storage and saving a storage space of an image.

It is another object of the present invention to provide a surveillance camera controller capable of minimizing waste of electric power for driving a camera.

A method for operating a surveillance camera controller, the method comprising: receiving a first image in a wide range from a first camera; receiving a second image in a local range from a second camera; Determining whether the position of the moving object belongs to or belongs to the area range, determining whether the position of the moving object is immediately before belonging to or belonging to the area, comparing the difference image with the moving image, Obtaining the speed information and the passing frequency information and setting the area range in a direction in which the passing frequency of the moving object is high and / or a direction in which the average speed is high using the speed information and the passing frequency information; And a third image is generated by combining the two images so that the second image is positioned in one area of the first image, And transmitting the first image to the server when the third image is generated, and transmitting the third image to the server when the third image is generated.

In addition, the present invention provides a surveillance camera controller, which receives a first image in a wide range from a first camera, receives a second image in a local range from a second camera, transmits the first image to a server, A communication unit for transmitting the third image to the server when the third image is generated; a communication unit for comparing the first image by a set frame to obtain a difference image, detecting a moving object from the difference image, Acquiring velocity information and pass frequency information of a moving object from the difference image, and calculating velocity information and pass frequency information of the moving object in a direction in which the passing frequency of the moving object is high And a controller for setting the region range in a direction in which the average speed is high and / And an image combining unit for combining the two images to generate the third image so that the second image is positioned.

According to the present invention, when a moving object enters a local area, a mixed image in which a wide-range image and a local-range image are mixed is transmitted to a user. Therefore, Can be confirmed.

In addition, according to the present invention, when a moving object is detected from a wide-range image and the moving object is close to the moving object, the area can be photographed, so that a clear image of the moving object can be obtained.

In addition, according to the present invention, since the floodlight can be operated when a moving object is in close proximity, a clear image of the moving object can be obtained even at night without waste of electric power.

In addition, according to the present invention, a wide-range image and a local-range image are selected and stored, thereby enabling quick image storage and saving image storage space.

In addition, according to the present invention, since the photographing range and the rotational force of the second camera can be varied by using the speed information of the moving object, there is an effect that waste of electric power for driving the second camera can be minimized.

In addition, according to the present invention, since the initial position of the second camera can be changed by using the speed information of the moving object, there is an effect that waste of electric power for driving the second camera can be minimized.

1 is a conceptual diagram of a dual surveillance camera including a surveillance camera controller according to an embodiment of the present invention;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a surveillance camera,
3 is a diagram illustrating an example of a local surveillance operation of a surveillance camera controlled by a surveillance camera controller according to an embodiment of the present invention.
4 is a diagram illustrating an example of an initial position setting of a second camera controlled by a surveillance camera controller according to an embodiment of the present invention,
5 is a flowchart illustrating an operation method of a surveillance camera controller according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The dual surveillance camera 100 shown in FIG. 1 includes a first camera 110 for acquiring a first image of a wide range, and a second camera 120 for acquiring a second image of an area range. The camera controller 130, the image combining unit 140, the image switching unit 150, and the image switching unit 150, which substantially process the image received by the camera except for the first camera 110 and the second camera 120, An image storage unit 160, and a communication unit 170 will be referred to as a surveillance camera controller.

The components 130, 140, 150, 160, and 170, which process images received by the camera and control the camera, include a first camera 110, a second camera 120, 140, 150, 160, and 170, which may be included or used in the housing 101, but may be physically separated (provided within a separate housing) An embodiment of a surveillance camera controller will be described.

The surveillance camera controller according to an embodiment of the present invention may include a camera controller 130, an image combining unit 140, an image switching unit 150, and a communication unit 170, 160). All combinations described in the specification and claims can be combined in any manner, so that the following description can be understood as an example.

The surveillance camera controller receives a first image and a second image from a first camera 110 that acquires a first image in a wide range and a second camera 120 that acquires a second image in an area range, (130).

 The camera controller 130 compares the first image with a set frame to obtain a difference image, detects a moving object from the difference image, and determines whether the position of the moving object is within the range or immediately before Acquiring velocity information and pass frequency information of the moving object from the difference image and using the velocity information and the passing frequency information to calculate the velocity of the moving object in a direction in which the moving frequency of the moving object is high and / You can set the area range.

The image combination unit 140 combines the two images so that the second image is located in one region of the first image when the position of the moving object belongs to or falls within the region range as a result of the determination, Images can be generated.

The image switching unit 150 may select one of an image of the first camera 110 and an image of the second camera 120 by receiving a control signal from the camera controller 130, May store an image transmitted from the image switching unit 150. [

FIG. 1 shows an embodiment in which a plurality of surveillance cameras and a surveillance camera controller are provided in a single housing 101. The housing 101 is formed to have a hollow interior and includes a first camera 110, The first camera 110 and the second camera 120 may be formed such that the lenses of the first camera 110 and the second camera 120 are exposed to the outside or the first camera 110 and the second camera 120 The possible portions may be formed in a transparent case shape.

In addition to the cameras 110 and 120, a drive circuit of the light emitter 125 may be provided inside the housing 101, and a surveillance camera controller, such as a camera controller 130, an image combining unit 140, A display unit 150 and an image storage unit 160 may be further included.

The first camera 110 photographs a wide range and acquires an image. The first camera 110 obtains an image for sensing a moving object in a wide range, and may be automatically set to have a shutter speed of 1s / 20 or 1s / 10000 according to the ambient illuminance. To this end, the first camera 110 may further include an illuminance sensor. The illuminance value measured by the illuminance sensor may be utilized to adjust the shutter speed of the first camera 110 itself or may be transmitted to the camera controller 130 to allow the camera controller 130 to adjust the shutter speed of the first camera 110 Respectively.

The first camera 110 captures a wide range, that is, a range wider than the second camera 120, and transmits the captured image to the camera controller 130. The range in which the first camera 110 photographs may include a car coming in opposite directions for a roundabout secondary car including India, and a one-way secondary car for a four-car round trip and India. In addition, when the dual surveillance camera includes a speed dome (not shown), the first camera 110 may capture a wide range of the moving range of the object such as the center of gravity, the center of the three-way distance, and the like.

An image of a wide range photographed from the first camera 110 may be transmitted to the image combining unit 140 and may be included in the mixed image by default.

Alternatively, if the moving object is not detected by the camera controller 130 or the moving object does not enter the shooting area of the second camera 120, or if the moving object is moved to the second camera 120 , It may be transmitted to the image storage unit 160 selectively. At this time, the image when the moving object is not detected may be excluded from the storage object, and only when the moving object is detected but is not immediately before entering or entering the shooting area of the second camera 120, .

The first camera 110 may be provided on a speed dome, that is, on a rotatable turntable so that the shooting range may be varied. The shooting range of the first camera 110 may be fixedly set at the time of initial installation, or remotely by the control server 200 during use. In addition, the appearance frequency of the moving object identified by the camera controller 130 can be set to a high direction.

The second camera 120 photographs an area range and acquires an image. The second camera 120 may acquire a local range image by the camera controller 130 and may be set to have a fixed shutter speed, for example, a shutter speed of 1s / 700, but is not limited thereto.

The second camera 120 captures a range of the first camera 110, that is, a range narrower than that of the first camera 110, and transmits the captured image to the camera controller 130. The range in which the second camera 120 photographs may include either a car coming in the opposite direction for a roundabout lane including India, or a lane lane two lanes in India for a roundabout lane, or India.

The second camera 120 may be disposed so as to face the ground surface more than the first camera 110 so that the second camera 120 can take a closer view than the first camera 110. [ That is, the moving object close to the position where the camera is installed is photographed in detail from the first camera 110.

The second camera 120 may be configured to enlarge and photograph any one of a plurality of sections generated when a wide-area image captured by the first camera 110 is divided into sections. For example, the wide range corresponding to the photographing range of the first camera 110 is divided into a predetermined number, for example, nine sections, and the range corresponding to one section is taken by the second camera 120 Range.

This is because when the camera controller 130 obtains the speed information of the moving object from the car image and sets the area range in a direction in which the traveling frequency of the moving object is high and / or a direction in which the average speed is high, 2 This means that when changing the photographing range of the camera 120, the photographing range can be changed in such a manner that a section in a specific direction is enlarged without using a rotating device such as a separate speed dome.

In another embodiment, the image photographed from the second camera 120 may be selectively transmitted to the image storage unit 160. [ At this time, the transmitted image is determined by the control signal of the camera controller 130 or the second camera 120 is driven by the camera controller 130 to photograph the image, The image of the second camera 120 may be automatically transmitted to the image storage unit 160 when a signal is input to the image processing unit 150. [

In another embodiment, the second camera 120 is provided on a speed dome, i.e., on a rotatable turntable, so that the shooting range can be varied. The shooting range of the second camera 120 may be fixedly set at the time of initial installation or may be remotely set at the control server 200 during use. In addition, the appearance frequency of the moving object identified by the camera controller 130 can be set to a high direction.

The second camera 120 can be used for photographing a moving vehicle at a high speed, and can photograph a license plate of a vehicle so that information on the vehicle can be confirmed. Therefore, the second camera 120 can be rotated by the control signal of the camera controller 130 or the control server 200 so that the license plate of the vehicle can be positioned at the center of the photographing area and the photographing can be performed.

The second camera 120 may further include a light emitter 125 for irradiating light to the photographing area to obtain a clear image even in a low-light and low-light environment.

The light emitter 125 is provided on the outer surface of the housing 101 or on the outer surface of the housing 101 and is attached to one side of the second camera 120 Or may be provided separately. The light emitter 125 is preferably but not limited to the LED light emitter 125.

The floodlight 125 is driven by the camera controller 130 and may utilize a camera driving signal transmitted from the camera controller 130 to the second camera 120 or may be synchronized with a driving signal of the second camera 120. [ A separate light emitter 125 driving signal may be generated from the camera controller 130 or the control server 200 and transmitted.

On the other hand, the light emitter 125 may be provided in a speed dome shape, that is, on a rotatable turntable so that the irradiation range can be varied. The irradiation range of the floodlight 125 can be fixedly set at the time of initial installation, and can be remotely set by the control server 200 during use. In addition, the appearance frequency of the moving object identified by the camera controller 130 can be set to a high direction.

The camera controller 130 generates and transmits driving signals to the first camera 110 and the second camera 120. For this purpose, the camera controller 130 integrally transmits the driving signals to the first camera 110 or the second camera 120 Or may be provided separately from the first camera 110 or the second camera 120.

The surveillance camera controller according to an embodiment of the present invention is an embodiment in which the camera controller 130 is provided separately from the first camera 110 or the second camera 120. [

The camera controller 130 acquires an image of the first camera 110, compares the acquired image for each set frame, and acquires a difference image. At this time, it is preferable to extract frames for comparison for 6 frames in case of 30 fps video and 3 frames in 15 fps video, that is, 0.2 second intervals, but the present invention is not limited thereto. The technique of detecting the movement of an object in an image using a difference image is well known in the art and can be easily utilized by a typical person, and thus a detailed description thereof will be omitted.

The camera controller 130 may acquire the speed information of the moving object from the car image and set the area range in a direction in which the passing frequency of the moving object is high and / or a direction in which the average speed is high using the speed information . More specifically, the camera controller 130 may assign a weight corresponding to the speed of the moving object to the corresponding direction, and set the region range in a direction in which the cumulative weight is high. The directions here may be understood to include angle and / or coordinate information capable of specifying a preset section or a photographing range of the camera.

For example, the speed of a moving object can be divided by intervals, and a weight value can be set for each interval. That is, it is possible to set the first weight when the speed of the moving object is 0 to 50 km / h, the second weight when the speed is 50 to 80 km / h, and the third weight when the speed of the moving object is 80 km / h, , When a moving object A passes section 1 at a speed of 70 km / h, a second weight is assigned to section 1, and when moving object B passes section 2 at a speed of 90 km / h, A weight can be given in a manner of giving a third weight.

If the weight given to the section 1 is the highest (the frequency of passing of the moving object is high and the speed is high) as a result of summing the weights given to each section for the predetermined time or number, the camera controller 130 sets the second The camera 120 can control the second camera 120 to set the section 1 to the shooting range.

The camera controller 130 may consider only the number of passing frequencies of a specific section (section) of the moving object and may take into account only the passing speed when the moving object passes through a specific section (section) Can be set.

If the first camera 110 or the second camera 120 for transmitting an image to the camera controller according to an embodiment of the present invention further includes a speed dome (not shown) for allowing each of the surveillance cameras to rotate, The surveillance camera controller can increase the efficiency of operation by controlling the rotation of the speed dome (not shown) in consideration of the passing frequency and / or the passing speed.

In order to acquire an image of a local range of a moving object moving at a fast speed, it is necessary to rotate the camera quickly or enlarge a specific region (section) quickly. In order to shoot an area having a high average passing speed and frequent passage of moving objects By setting the shooting range to a fixed or default value, power consumption due to unnecessary driving and additional operations can be reduced.

The camera controller 130 determines whether the position of the moving object belongs to the photographing range of the second camera 120 or just before it is deceived and controls the image combining unit 140 or the image switching unit 150 have.

For example, the camera controller 130 detects the movement of an object in the image from the difference image obtained by comparing the images of the first camera 110, and when the moving object belongs to or belongs to the shooting range of the second camera 120 It may transmit a driving signal to the second camera 120 and transmit a control signal to the image switching unit 150 to select the image of the second camera 120. [

At this time, the method of selecting the image of the second camera 120 by the image switching unit 150 may be selected from various methods. The first method is a method in which the second camera 120 continuously captures an image and the moving object is moved from the image of the first camera 110 in the camera controller 130 to the second camera 120 There is a method of transmitting a control signal to select the image of the second camera 120 to the image switching unit 150 immediately before belonging to the photographing range or belonging to the photographing range of the second camera 120. [

The second method is a method in which the moving object of the moving object as a result of tracking of the moving object from the image of the first camera 110 in the camera controller 130 belongs to the shooting range of the second camera 120, A control signal is transmitted to the image switching unit 150 so that the image of the second camera 120 is selected.

Finally, when the moving object of the tracking result of the moving object from the image of the first camera 110 in the camera controller 130 belongs to the shooting range of the second camera 120, or when the moving object belongs to the shooting range of the second camera 120 A method of setting a video of the second camera 120 to be selected automatically when a video signal is input from the second camera 120 is transmitted to the second camera 120 immediately before the video switching unit 150 have.

In all the cases described above, only when the moving object belongs to the photographing range of the second camera 120 or the photographing range of the second camera 120 belongs to the photographing range of the second camera 120, The image of the first camera 110 and the image of the second camera 120 may not be stored at once because the image is transferred to and stored in the image storage unit 160. [ As a result, the storage space of the image storage unit 160 can be saved, and the processing time required for image storage can be shortened.

If it is determined that the moving object belongs to the photographing range of the second camera 120 or is just before the photographing range of the second camera 120 as a result of the position determination of the moving object, The image combining unit 140 transmits the image of the camera 120 to the image combining unit 140 and controls the image combining unit 140 to mix (or synthesize) the image of the first camera 110 and the image of the second camera 120 . In this case, the image combining unit 140 may mix the two images such that the image of the second camera 120 is positioned on one area (one side edge, etc.) of the wide area image of the first camera 110.

In addition, the camera controller 130 acquires the speed information of the moving object from the difference image, calculates the expected time of entering the moving object into the local range and / or the expected retirement time from the area range using the speed information, The generation time of the third image can be set or the driving time of the light emitter 125 for irradiating light in the area range can be set.

When the position of the moving object obtained from the car image belongs to the photographing range of the second camera 120 or when the position of the moving object belongs to the photographing range of the second camera 120, To the light emitter 125, a driving signal for driving the light source 125. Thus, when the second camera 120 acquires an image of the moving object, it is possible to acquire a clear image regardless of the surrounding illuminance.

The camera controller 130 acquires the speed information of the moving object from the obtained difference image. The speed information includes the speed information of the moving object and the traveling direction information of the moving object. The time at which the moving object reaches the photographing region of the second camera 120 can be predicted through the speed information included in the speed information of the moving object. From the predicted time, the photographing start point of the second camera 120, It is possible to determine the time point of irradiation of the light source 125. On the other hand, when the second camera 120 is rotated in the moving direction of the moving object, the rotational speed of the second camera 120 can be adjusted from the predicted time.

The camera controller 130 predicts the position of the moving object at the time when the moving object reaches the photographable distance of the second camera 120 through the traveling direction information included in the speed information of the moving object. And rotates the second camera 120 such that the photographing range of the second camera 120 includes the predicted position of the moving object from the predicted position. In addition, when the second camera 120 is rotated, the light emitter 125 is rotated together with the second camera 120 so that the light of the light emitter 125 can be irradiated to the photographing range of the second camera 120 .

Meanwhile, the camera controller 130 stores speed information of the moving object. The camera controller 130 included in the surveillance camera controller of the present invention stores information on the speed of the moving object in the direction in which the moving object passes through the second The initial position of the camera 120 is set. For example, when the moving direction of the moving object obtained from the car image of the first camera 110 mainly passes through the lower left end of the first camera 110, the photographing area of the second camera 120 is moved to the first camera 110 The first camera 120 is set to be positioned at the lower left of the first camera 120. [ For example, if the second camera 120 is photographed so as to center the first and second roads on the first and second roads, and the moving object is photographed by passing frequently through the first camera 110 in the first direction, Is set to the initial position by rotating it in the direction to take a picture so that the first lane is in the center.

The initial position of the second camera 120 may be set differently according to the time zone. For example, in the daytime, the moving object is detected as passing through the lower left area of the first camera 110, for example, the first lane, and at night, the moving object passes through the lower right area, for example, The initial position of the second camera 120 is set so as to photograph the lower left end (first position) of the first camera 110 in the daytime and the initial position of the second camera 120 is set to the lower end (Second passage or delivery) of the right end 110 of the vehicle. In addition, such setting can be further subdivided into weekday, holiday, and the like. As described above, by setting the initial position of the second camera 120 according to the frequency of the moving direction of the moving object, it is possible to save the power consumption for rotating the second camera 120 in the moving direction of the moving object .

The camera controller 130 included in the surveillance camera controller of the present invention corrects the initial position of the second camera 120 based on the speed information of the moving object. For example, when the automobile travels, the second camera 120 must be rotated rapidly, and when the person is walking, the second camera 120 may be rotated relatively slowly. However, when the motor is rotated strongly, In addition, there may be a problem that the power required for the additional operation, such as the second camera 120 being rotated strongly, and the second camera 120 being rotated beyond the set position and further rotated, may be a problem. Therefore, in the present invention, the initial position of the second camera 120 is set so that the power efficiency of the second camera 120 is increased by shifting the position of the second camera 120 in the direction of the moving object moving faster. The camera controller 130 sets the initial position of the second camera 120 by assigning a weight based on the speed information to the frequency based on the direction information of the moving object. In this case, the weight value may be a value multiplied by the speed information, and may be a value obtained by multiplying the weight information by the set weight value. Or a designated weight value may be assigned to each of the set speed intervals, and the weight ratio is not limited.

The camera controller 130 sets the initial position of the light emitter 125 in the same manner as the initial position setting method of the second camera 120. On the other hand, based on the speed information of the moving object, You can set the time. In the case of a fast moving automobile, the floodlight 125 can be driven in advance, and in the case of a slow walking pedestrian, the floodlight 125 can be driven slower than in the case of an automobile. However, when the speed of the moving object is low, that is, when the moving object is discriminated as a pedestrian, it is possible to drive the floodlight 125 in advance to prevent crime.

The camera controller 130 may generate and transmit a video signal of the first camera 110 and a video signal of the second camera 120 to the video switching unit 150. For example, when a moving object is not detected from the image of the first camera 110, the image of the second camera 120 including the image of the first camera 110 is not transmitted to the image storing unit 160 In this case, only when a moving object is detected in the image of the first camera 110, the image of the first camera 110 is controlled to be transmitted to the image storage unit 160.

Meanwhile, the camera controller 130 may transmit a control signal to the image switching unit 150 to select an image of the second camera 120, while transmitting a driving signal to the second camera 120. [

The image combining unit 140 may be configured to place the second image of the second camera 120 in one area of the first image of the first camera 110 immediately before the moving object belongs to or belongs to the area range A third image can be generated by combining images. The generated third image can be transmitted to the control server 200 or the separate user terminal 300 through the communication unit 170 in a single channel.

The image switching unit 150 receives a control signal from the camera controller 130 and selects one of an image of the first camera 110 and an image of the second camera 120. The image switching unit 150 transmits the image to the image storage unit 160 according to the control signal of the camera controller 130 for the selected image. At this time, the image transmitted to the image storage unit 160 includes all the images of the second camera 120, and among the images of the first camera 110, the moving object is not detected and the moving object is detected, The image of the first camera 110 is included.

The image switching unit 150 may select a control signal from the camera controller 130 when the selection is switched from the image of the first camera 110 to the image of the second camera 120, When the video signal is input from the first camera 120, the second camera 120 may be automatically selected.

The communication unit 170 may transmit the first image of the first camera 110 to the server and may transmit the third image to the server as a single channel when the third image mixed in the image combining unit 140 is generated. As a result, the communication unit 170 transmits one image to the server 200 or the terminal 300 using a single channel, but actually has the effect of transmitting a plurality of images. Accordingly, the communication unit 170 can significantly reduce the traffic and the transmission capacity, and the storage capacity can be greatly reduced.

For example, when a wide-area image of 2M / s and a local image of 2M / s are photographed, according to the related art, since an image of 4M / s is required to be transmitted, , There has been a problem that a large amount of image data must be continuously transmitted.

However, according to an embodiment of the present invention, when the server 200 or the terminal 300 receives an image in a wide range in a general situation, only when an event occurs in a specific area, And the image is mixed. That is, although the image received by the server 200 or the terminal 300 is a single image having the same size as that of the wide-range image, since a variety of images can be checked at the time of event generation, . In addition, the communication unit 170 is also effective in that a plurality of images can be transmitted using only a single channel.

The image storage unit 160 stores the image of the first camera 110 or the image of the second camera 120 transmitted from the image switching unit 150. The image storage unit 160 may be provided in the same housing 101 as the camera controller 130 or the image switching unit 150 and may be provided at a remote location on the network as the case may be. The image storage unit 160 having a storage capacity sufficient to store a predetermined capacity image is integrally provided in the same housing 101 as the camera controller 130 or the image switching unit 150, The image is transmitted through the network to the repository or control server 200 at a remote location each time a video of the set capacity is stored, but the present invention is not limited thereto.

The control server 200 or the terminal 300 is located at a remote location and is connected to the first camera 110, the second camera 120, the surveillance camera controller, i.e., the camera controller 130, Or the image storage unit 160 and receives the stored image from the image storage unit 160 or receives the stored image from the first camera 110, the second camera 120, the camera controller 130, or the image switching unit 150 The control signal or the setting signal.

Hereinafter, an operation method of the surveillance camera controller according to an embodiment of the present invention will be described with reference to FIG.

According to an embodiment of the present invention, the surveillance camera controller may acquire a first image of a wide range from the first camera (S100) and acquire a second image of a range from the second camera (S100). Next, the surveillance camera controller compares the first image with a preset frame unit to acquire a difference image, and detects a moving object from the difference image (S300). If the position of the moving object is within the range of the region, (S400). When the moving object is included in the area range or immediately before the moving object belongs, the second image is positioned in one area of the first image to compose the third image (S500). Next, the surveillance camera controller can transmit the third image to the server (S600). At this time, the third image can be transmitted to the server through a single channel. If the position of the moving object does not belong to the area range, the surveillance camera controller can transmit the wide-range image to the server (S630).

In another embodiment, if the position of the moving object is within the shooting range of the second camera or is just before the dealing, the surveillance camera controller may select one of a wide range image and a local range image , The second image in the area range can be selected (S550), and the selected second image can be transmitted to the server (S650).

Although not shown in the drawing, the surveillance camera controller obtains velocity information of the moving object from the difference image acquired in step 300, and uses the velocity information to determine whether the velocity of the moving object is high or the velocity of the moving object is high That is, the photographing range of the second camera can be set.

In addition, the surveillance camera controller acquires velocity information of the moving object from the difference image acquired in step 300, calculates a scheduled exit time of the moving object from the estimated time of entry into the local range or the estimated range of the moving object using the velocity information, The generation time of the third image may be set using the predetermined time or the scheduled exit time, or a time for irradiating light to the area may be set.

Some embodiments omitted in this specification are equally applicable if their implementation subject is the same. It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to be exemplary and explanatory only and are not restrictive of the invention, The present invention is not limited to the drawings.

100: Dual security camera
101: Housing
110: First camera
120: Second camera
125: Floodlight
130: camera controller
140:
150:
160: Image storage unit
170:
200: control server
300: terminal

Claims (8)

Receiving a first image in a wide range from a first camera;
Receiving a second image of a local range from a second camera;
Comparing the first image with a set frame to obtain a difference image;
Sensing a moving object from the difference image;
Determining whether the position of the moving object belongs to or belongs to the area range;
Acquiring speed information and pass frequency information of the moving object from the difference image, and setting the area range in a direction in which the passing frequency of the moving object is high and / or a direction in which the average speed is high using the speed information and the passing frequency information ;
Generating a third image by combining two images so that the second image is positioned in one region of the first image according to the determination result;
Transmitting the first image to the server and transmitting the third image to the server when the third image is generated,
The step of setting the area range includes:
Wherein the area range is set differently for each of the time zones by using the acquisition time of the speed information and the passing frequency information.

The method according to claim 1,
The area range setting step
Assigning a weight corresponding to a speed of the moving object in a corresponding direction and setting the area range in a direction in which accumulated weights are high.
The method according to claim 1,
Calculates a time at which the moving object is expected to enter the area range and / or a time at which the moving object is expected to be removed from the area range, sets the generation time of the third image using the speed information, And setting a driving time of the light emitter for illuminating the light.
The method according to claim 1,
When the second camera is configured to be rotatable so that the photographing range can be varied,
Further comprising the step of obtaining direction information of the moving object from the speed information and rotating the second camera such that the moving object is within the shooting range of the second camera.
The method according to claim 1,
And controlling the emitter to emit light in a shooting range of the second camera when the position of the moving object belongs to the shooting range of the second camera.
6. The method of claim 5,
If the light emitter is configured to be rotatable so that the light transmissive range can be varied,
The step of controlling the light emitter
And rotating the light emitter such that the moving object is within a light transmitting range.
A surveillance camera controller application stored on a computer readable medium for carrying out the method of any one of claims 1 to 6.
The first image is received from the first camera, the second image is received from the second camera, the first image is transmitted to the server, and when the third image is generated, To the communication unit;
A moving object is detected from the difference image, and it is determined whether or not the position of the moving object belongs to or belongs to the area range, A camera which obtains velocity information and pass frequency information of a moving object from the image and sets the region range in a direction in which the passing frequency of the moving object is high and / or a direction in which the average speed is high using the velocity information and the passing frequency information, controller;
And an image combining unit for combining the two images so that the second image is positioned in one region of the first image according to the determination result to generate the third image,
The camera controller is monitoring camera controller and characterized in that by using the speed information and the acquisition time of the pass frequency information different settings for the area range over time.

Images