CN103595900A - Image capture system and image capture method thereof - Google Patents

Abstract

An image capture system, comprising: a lens unit, a sensing unit and a reflection unit; the lens unit comprises a plurality of first lenses arranged above an object to be detected; the sensing unit comprises at least one image sensor arranged above the object to be detected; the reflection unit comprises a plurality of first reflection pieces which are respectively arranged above the plurality of first lenses and a plurality of second reflection pieces which are respectively adjacent to the plurality of first reflection pieces and are all arranged below the image sensor. The image capturing system can easily capture the surface image of the object to be detected, especially the outer contour image of the object to be detected through the matching of each corresponding first reflecting piece and each corresponding second reflecting piece under the condition of only using a single image sensor, thereby greatly reducing the cost of the sensing unit in use.

Description

Image capture system and image capture method thereof

technical field

The present invention relates to an image capture system and an image capture method thereof, in particular to an image capture system and an image capture method capable of capturing an image of the outer contour of an object to be measured with only a single image sensor.

Background technique

One of the current measurement methods is to simultaneously use a plurality of optical system groups erected along the edge of the object to be measured, and each optical system group includes an image sensor. When capturing images of multiple measurement points for the object to be measured, it is necessary to use multiple modules to simultaneously calculate and transmit the images, and there will be a problem with the bandwidth of the image sensor to the computer interface, resulting in slower processing speed, and due to the need for additional Using multiple imaging systems will increase the cost a lot. Furthermore, another method is to use a high-pixel image sensor to capture the full-scale outline of the object at one time, but when the size of the object to be captured is larger, since the required outline resolution needs to maintain the same accuracy, Therefore, the pixels of the required high-pixel sensor will be higher, and its price will be more expensive.

Contents of the invention

The present invention provides an image capture system and an image capture method thereof, which can capture the outer contour image of the object to be measured with only a single image sensor.

The present invention provides an image capture system, which includes: a lens unit, a sensing unit, and a reflection unit; the lens unit includes a plurality of first lenses arranged above an object to be measured; the sensing unit It includes at least one image sensor arranged above the object to be tested; the reflective unit includes a plurality of first reflectors respectively arranged above the plurality of first lenses and a plurality of adjacent to the plurality of first reflectors components and are all arranged on the second reflective component under at least one of the image sensors.

The present invention further provides an image capture system, which includes: a lens unit, a sensing unit, and a reflection unit; the lens unit includes a plurality of first lenses and at least one second lens, wherein a plurality of the first lenses A lens and at least one second lens are both arranged above an object to be measured; the sensing unit includes at least one image sensor arranged above at least one second lens; the reflection unit includes a plurality of The first reflectors disposed above the plurality of first lenses and the plurality of second reflectors respectively adjacent to the plurality of first reflectors and disposed below at least one of the image sensors.

The present invention also provides an image capture method of the image capture system, which includes the following steps:

Step S100: providing a lens unit, a sensing unit and a reflection unit, wherein the lens unit includes a plurality of first lenses arranged above an object to be measured, and the sensing unit includes at least one lens arranged on the object to be measured An image sensor above the measured object, and the reflective unit includes a plurality of first reflectors respectively arranged above the plurality of first lenses and a plurality of first reflectors adjacent to the plurality of first reflectors and arranged on at least one a second reflector below the image sensor;

Step S102: an external light source is reflected by the object under test to form a plurality of first reflected light beams which respectively pass through a plurality of the first lenses;

Step S104: the multiple first reflected light beams are respectively reflected by the multiple first reflective members to form a plurality of second reflected light beams projected towards the multiple second reflective members;

Step S106: the plurality of second reflected light beams are respectively reflected by the plurality of second reflectors to form a plurality of third reflected light beams projected to at least one of the image sensors at the same time.

Another image capture method for an image capture system provided by the present invention includes the following steps:

Step S300: providing a lens unit, a sensing unit, and a reflection unit, wherein the lens unit includes a plurality of first lenses and at least one second lens, a plurality of the first lenses and at least one of the second lenses are arranged above an object under test, the sensing unit includes at least one image sensor arranged above at least one of the second lenses, and the reflection unit includes a plurality of first lenses respectively arranged an upper first reflector and a plurality of second reflectors respectively adjacent to the plurality of first reflectors and disposed below at least one of the image sensors;

Step S302: An external light source is reflected by the object to form a plurality of first reflected light beams which respectively pass through a plurality of the first lenses and a light beam which passes through at least one of the second lenses to directly project to at least one the direct light beam of the image sensor;

Step S304: multiple first reflected light beams are respectively reflected by multiple first reflective members to form a plurality of second reflected light beams projected on multiple second reflective members;

Step S306: the plurality of second reflected light beams are respectively reflected by the plurality of second reflectors to form a plurality of third reflected light beams projected toward at least one of the image sensors at the same time.

The beneficial effect of the present invention is that: the image capture system and the image capture method thereof provided by the present invention, through "a plurality of first reflectors respectively arranged above a plurality of said first lenses and a plurality of adjacent to a plurality of said first lenses The design of the first reflector and the second reflector "which are all arranged under at least one of the image sensors", so that the image capture system and the image capture method of the present invention only need a single image sensor to be tested The image capture of the outer contour of the object can greatly reduce the cost of the sensing unit in use.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the attached drawings are provided for reference and illustration only, and are not intended to limit the present invention.

Description of drawings

FIG. 1A is a three-dimensional schematic diagram of an image capture system according to Embodiment 1 of the present invention;

FIG. 1B is a partial schematic side view of the image capture system according to Embodiment 1 of the present invention;

FIG. 1C is a flowchart of an image capture method of the image capture system according to Embodiment 1 of the present invention;

FIG. 2 is a three-dimensional schematic diagram of an image capture system according to Embodiment 2 of the present invention;

FIG. 3A is a partial schematic side view of an image capture system according to Embodiment 3 of the present invention;

3B is a flowchart of an image capture method of the image capture system according to Embodiment 3 of the present invention;

FIG. 4 is a partial schematic side view of an image capture system according to Embodiment 4 of the present invention;

FIG. 5 is a partial schematic side view of an image capture system according to Embodiment 5 of the present invention.

[Description of reference signs of main components]

Lens unit 1 1st lens 11

Second lens 12

Sensing unit 2 image sensor 20

Sensor lens 21

Reflecting unit 3 1st reflector 31

Second reflector 32

DUT 4

Support frame 5

Fixed bracket 60

Adjustment lever 61

External light source L

Direct beam L'

First reflected beam R1

Second reflected beam R2

The third reflected beam R3

Detailed ways

Embodiment one

Please refer to FIG. 1A to FIG. 1C , wherein FIG. 1B only shows two of the first lenses 11 disposed on opposite sides in FIG. 1A . Embodiment 1 of the present invention provides an image capture system, which includes: a lens unit 1 , a sensing unit 2 and a reflection unit 3 .

First, as shown in FIG. 1A and FIG. 1B , the lens unit 1 includes a plurality of first lenses 11 disposed above an object 4 to be tested. The sensing unit 2 includes at least one image sensor 20 (such as a light sensor) disposed above the object under test 4 . The reflective unit 3 includes a plurality of first reflective members 31 (such as reflective mirrors or any reflective objects coated with a reflective layer) respectively arranged above the plurality of first lenses 11 and a plurality of first reflective members 31 adjacent to each other. And the second reflection member 32 (such as a mirror or any reflective object coated with a reflective layer) is disposed under the image sensor 20 .

Furthermore, the object under test 4 can be a battery or any object under test that needs to be inspected for appearance, especially the object under test that needs to detect the outer contour. In addition, a plurality of first lenses 11 can be arranged and positioned on a support frame 5, and the support frame 5 has a plurality of perforations (not shown) corresponding to the first lenses 11, so that the The external light source L can be transmitted to the corresponding first lens 11 through the perforation of the support frame 5 . Furthermore, the multiple first lenses 11 can all be located on the same horizontal plane, and the multiple first reflectors 31 and the multiple second reflective components 32 can all be located on the same horizontal plane. In addition, the plurality of first reflectors 31 can be respectively located directly above the plurality of first lenses 11 , and the plurality of second reflectors 32 can be respectively located on the front side of the plurality of first reflectors 31 and are all located on the side of the image sensor 20 . directly below, and a plurality of second reflectors 32 can be integrally connected together to form a single integrally formed reflective unit 3 . However, the lens unit 1 , the sensing unit 2 and the reflection unit 3 used in the present invention are not limited to the examples given in the first embodiment.

As shown in FIG. 1B and FIG. 1C , through the use of the above-mentioned image capture system, Embodiment 1 of the present invention can provide an image capture method of the image capture system, which includes the following steps:

Step S100: Provide a lens unit 1, a sensing unit 2 and a reflection unit 3, wherein the lens unit 1 includes a plurality of first lenses 11 arranged above an object to be measured 4, and the sensing unit 2 includes at least one The image sensor 20 above the object to be measured 4, and the reflective unit 3 includes a plurality of first reflectors 31 respectively arranged above the plurality of first lenses 11 and a plurality of first reflectors 31 adjacent to the plurality of first reflectors 31 and all arranged on the image The second reflector 32 below the sensor 20;

Step S102: an external light source L is reflected by the object under test 4 to form a plurality of first reflected light beams R1 which respectively pass through a plurality of first lenses 11;

Step S104: multiple first reflected light beams R1 are respectively reflected by multiple first reflective members 31 to form multiple second reflected light beams R2 respectively projected towards multiple second reflective members 32;

Step S106 : the plurality of second reflected light beams R2 are respectively reflected by the plurality of second reflectors 32 to form a plurality of third reflected light beams R3 projected to the image sensor 20 at the same time.

Thereby, since the multiple third reflected light beams R3 can be projected onto the image sensor 20 at the same time, the image sensor 20 can easily obtain the surface image of the object under test 4 , especially the outer contour image of the object under test 4 . Furthermore, in the present invention, only one image sensor 20 is used, and each corresponding first reflector 31 can be easily matched with each corresponding second reflector 32 to capture The surface image of the object 4 to be tested, especially the outer contour image of the object 4 can be captured. Therefore, compared with the known technology that needs to use multiple image sensors at the same time, the present invention can greatly reduce the cost of using the sensing unit 2 .

Embodiment two

Please refer to FIG. 2 , the second embodiment of the present invention provides an image capture system, which includes: a lens unit 1 , a sensing unit 2 and a reflection unit 3 . From the comparison of Fig. 2 and Fig. 1A, it can be seen that the biggest difference between the second embodiment of the present invention and the first embodiment is that: in the second embodiment, each first reflector 31 is movably arranged on a pre-positioned support frame 5 on the fixed bracket 60 , and each first reflector 31 can adjust the required inclination angle through an adjustment rod 61 arranged on the fixed bracket 60 . In other words, the user can easily adjust the required inclination angle (optical path) of each first reflector 31 by using the adjustment lever 61 .

Embodiment Three

Please refer to FIG. 3A and FIG. 3B , wherein FIG. 3B only shows two of the first lenses 11 disposed on opposite sides in FIG. 3A . Embodiment 3 of the present invention provides an image capture system, which includes: a lens unit 1 , a sensing unit 2 and a reflection unit 3 . The lens unit 1 includes a plurality of first lenses 11 and at least one second lens 12 , wherein the plurality of first lenses 11 and the second lens 12 are both disposed above an object under test 4 . The sensing unit 2 includes at least one image sensor 20 disposed above the second lens 12 . The reflective unit 3 includes a plurality of first reflectors 31 respectively disposed above the plurality of first lenses 11 and a plurality of second reflectors 32 respectively adjacent to the plurality of first reflectors 31 and disposed below the image sensor 20 .

Furthermore, the object under test 4 can be a battery or any object under test that needs to be inspected for appearance, especially the object under test that needs to detect the outer contour. In addition, a plurality of first lenses 11 can be arranged and positioned on a support frame 5, and the support frame 5 has a plurality of perforations (not shown) corresponding to the first lenses 11, so that the The external light source L can be transmitted to the corresponding first lens 11 through the perforation of the support frame 5 . Furthermore, the plurality of first lenses 11 and the second lenses 12 are located on the same horizontal plane, and the plurality of first reflectors 31 and the plurality of second reflectors 32 are located on the same horizontal plane. In addition, the image sensor 20 is located directly above the second lens 12, the plurality of first reflectors 31 can be respectively located directly above the plurality of first lenses 11, and the plurality of second reflectors 32 can be respectively located on the plurality of first reflectors. 31 are located directly below the image sensor 20 , and a plurality of second reflectors 32 can be integrally connected together to form a single integrally formed reflective unit 3 . However, the lens unit 1 , the sensing unit 2 and the reflection unit 3 used in the present invention are not limited to the examples mentioned in the third embodiment above.

As shown in FIG. 3A and FIG. 3B , through the use of the above-mentioned image capture system, Embodiment 3 of the present invention can provide an image capture method of the image capture system, which includes the following steps:

Step S300: Provide a lens unit 1, a sensing unit 2 and a reflection unit 3, wherein the lens unit 1 includes a plurality of first lenses 11 and at least one second lens 12, wherein the plurality of first lenses 11 and the second lens 12 are arranged above an object under test 4, the sensing unit 2 includes at least one image sensor 20 arranged above the second lens 12, and the reflective unit 3 includes a plurality of first lenses 11 respectively arranged above a reflector 31 and a plurality of second reflectors 32 adjacent to the plurality of first reflectors 31 and arranged below the image sensor 20;

Step S302: An external light source L is reflected by the object 4 to form a plurality of first reflected light beams R1 which respectively pass through a plurality of first lenses 11 and a direct light beam R1 which passes through the second lens 12 to directly project to the image sensor 20 light beam L';

Step S304: the plurality of first reflected light beams R1 are respectively reflected by the plurality of first reflectors 31 to form a plurality of second reflected light beams R2 projected to the plurality of second reflectors 32;

Step S306 : the plurality of second reflected light beams R2 are respectively reflected by the plurality of second reflectors 32 to form a plurality of third reflected light beams R3 projected to the image sensor 20 at the same time.

In this way, since the direct light beam L' passing through the second lens 12 and directly projecting on the image sensor 20 and the multiple third reflected light beams R3 can project on the image sensor 20 at the same time, the image sensor 20 can easily obtain the object under test 4 The surface image, especially the outer contour image of the object under test 4 can be captured. Furthermore, in the present invention, only a single image sensor 20 is used, and each corresponding first reflector 31 can be easily matched with each corresponding second reflector 32 to capture The surface image of the object under test 4 , especially the outer contour image of the object under test 4 can be captured. Therefore, compared with the known technology that needs to use multiple image sensors at the same time, the present invention can greatly reduce the cost of using the sensing unit 2 .

Embodiment four

Please refer to FIG. 4 , the fourth embodiment of the present invention provides an image capture system, which includes: a lens unit 1 , a sensing unit 2 and a reflection unit 3 . From the comparison between FIG. 4 and FIG. 1B, it can be seen that the biggest difference between the fourth embodiment of the present invention and the first embodiment is that: in the fourth embodiment, the sensing unit 2 further includes at least one device directly below the image sensor 20 and located at the image sensor 20. The sensor lens 21 between the sensor 20 and the plurality of second reflectors 32 of the reflective unit 3 . Therefore, a plurality of third reflected light beams R3 can pass through the sensor lens 21 to project toward the image sensor 20 at the same time.

Embodiment five

Referring to FIG. 5 , Embodiment 5 of the present invention provides an image capture system, which includes: a lens unit 1 , a sensing unit 2 and a reflection unit 3 . From the comparison of FIG. 5 and FIG. 3A, it can be seen that the biggest difference between the fifth embodiment of the present invention and the third embodiment is that: in the fifth embodiment, the sensing unit 2 further includes at least one sensor for the sensor directly below the image sensor 20. Lens 21. Therefore, the plurality of third reflected light beams R3 and the direct light beam L' can pass through the sensor lens 21 to project toward the image sensor 20 at the same time.

In summary, the image capture system and its image capture method provided by the present invention can be achieved through "a plurality of first reflectors 31 respectively arranged above a plurality of first lenses 11 and a plurality of adjacent to a plurality of The design of the first reflector 31 and the second reflector 32" that are both arranged below the image sensor 20, so that the image capture system and its image capture method of the present invention only need a single image sensor 20 to detect the object under test. 4 outer contour image capture can greatly reduce the cost of the sensing unit 2 in use.

The above descriptions are only preferred feasible embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent technical changes made by using the description of the present invention and the contents of the accompanying drawings are included in the protection scope of the present invention. .

Claims (10)

1. An image capture system, characterized in that it comprises: A lens unit, which includes a plurality of first lenses arranged above an object to be measured; A sensing unit, which includes at least one image sensor disposed above the object under test; and A reflective unit, which includes a plurality of first reflectors respectively arranged above the plurality of first lenses and a plurality of first reflectors respectively adjacent to the plurality of first reflectors and arranged below at least one of the image sensors Two reflectors. 2. The image capture system according to claim 1, wherein a plurality of the first lenses are located on the same horizontal plane, and a plurality of the first reflectors and a plurality of the second reflectors are both on the same level. 3. The image capture system according to claim 1, wherein a plurality of the first reflectors are respectively located directly above the plurality of first lenses, and a plurality of the second reflectors are respectively located The positive sides of the plurality of first reflectors are all located directly below the at least one image sensor. 4. The image capture system according to claim 1, wherein a plurality of the second reflectors are integrally connected together. 5. An image capture system, characterized in that it comprises: A lens unit, which includes a plurality of first lenses and at least one second lens, wherein a plurality of the first lenses and at least one of the second lenses are arranged above an object to be measured; A sensing unit comprising at least one image sensor disposed above at least one of the second lenses; and A reflective unit, which includes a plurality of first reflectors respectively arranged above the plurality of first lenses and a plurality of first reflectors respectively adjacent to the plurality of first reflectors and arranged below at least one of the image sensors Two reflectors. 6. The image capture system according to claim 5, wherein a plurality of the first lenses and at least one second lens are located on the same horizontal plane, and a plurality of the first reflectors and a plurality of The two second reflectors are all located on the same horizontal plane. 7. The image capture system according to claim 5, wherein at least one of the image sensors is located directly above at least one of the second lenses, and a plurality of the first reflectors are respectively located in the plurality of the Directly above the first lens, and the plurality of second reflectors are located on the direct sides of the plurality of first reflectors and directly below at least one of the image sensors. 8 . The image capture system according to claim 5 , wherein a plurality of the second reflectors are integrally connected together. 9. An image capture method for an image capture system, comprising the following steps: Step S100: providing a lens unit, a sensing unit, and a reflection unit, wherein the lens unit includes a plurality of first lenses arranged above an object to be measured, and the sensing unit includes at least one lens arranged on the An image sensor above the object to be tested, and the reflective unit includes a plurality of first reflectors respectively arranged above the plurality of first lenses and a plurality of first reflectors adjacent to the plurality of first reflectors, all of which are arranged at least a second reflector below the image sensor; Step S102: an external light source is reflected by the object under test to form a plurality of first reflected light beams which respectively pass through a plurality of the first lenses; Step S104: multiple first reflected light beams are respectively reflected by multiple first reflective members to form a plurality of second reflected light beams projected on multiple second reflective members; and Step S106: the plurality of second reflected light beams are respectively reflected by the plurality of second reflectors to form a plurality of third reflected light beams projected to at least one of the image sensors at the same time. 10. An image capture method for an image capture system, comprising the following steps: Step S300: Provide a lens unit, a sensing unit, and a reflection unit, wherein the lens unit includes a plurality of first lenses and at least one second lens, and a plurality of the first lenses and at least one second lens The lenses are all arranged above an object to be tested, the sensing unit includes at least one image sensor arranged above at least one of the second lenses, and the reflection unit includes a plurality of first a first reflector above the lens and a plurality of second reflectors respectively adjacent to the plurality of first reflectors and disposed below at least one of the image sensors; Step S302: an external light source is reflected by the object to form a plurality of first reflected light beams which respectively pass through a plurality of the first lenses and a light beam which passes through at least one of the second lenses to directly project to at least one the direct light beam of the image sensor; Step S304: multiple first reflected light beams are respectively reflected by multiple first reflective members to form a plurality of second reflected light beams projected on multiple second reflective members; and Step S306: the plurality of second reflected light beams are respectively reflected by the plurality of second reflectors to form a plurality of third reflected light beams projected toward at least one of the image sensors at the same time.

Images