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Imaging method, imaging system, manufacturing system, and method for manufacturing product

An imaging system and imaging method technology, applied in the field of manufacturing systems, can solve the problems of complex and expensive systems, inability to accurately match image capture time, etc.

Pending Publication Date: 2021-12-24
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the system becomes more complicated and expensive, and in the case where the image capture start time or the image capture period of the cameras differs, the image capture time cannot be precisely matched between cameras

Method used

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  • Imaging method, imaging system, manufacturing system, and method for manufacturing product
  • Imaging method, imaging system, manufacturing system, and method for manufacturing product
  • Imaging method, imaging system, manufacturing system, and method for manufacturing product

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0030] Figure 1A The configuration of an imaging system including a stereo camera constituted by a plurality of cameras in the present embodiment is illustrated. exist Figure 1A In the imaging system of , a stereo camera 1 is connected to an image processing device 2 . The connection cable between the stereo camera 1 and the image processing device 2 constitutes a communication interface between the two, and includes a power line, a communication line for transmitting captured image data, an input-output line for communication control, etc.: IO line, etc. Among these, the communication interface may be based, for example, on a standard such as Universal Serial Bus: USB. The stereo camera 1 includes monocular cameras 101 and 102 arranged such that their respective imaging optical axes are separated from each other by an appropriate baseline length. Captured image data obtained by the monocular cameras 101 and 102 of the stereo camera 1 can be transmitted to the image proces...

no. 2 example

[0097] In the first embodiment described above, the synchronization deviation detection lamps 104 to 107 are included in the stereo camera 1 . However, in order to simplify the configuration of the stereo camera 1 and reduce the cost, size, and weight, a configuration in which synchronization deviation detection is performed by using an external light as in the present embodiment may also be considered.

[0098] In the following description, parts of the hardware and configuration of the control system that are different from those of the first embodiment will be illustrated and described, and detailed descriptions of parts that are similar to those of the first embodiment will be omitted, assuming that the parts can be configured in the same manner as described above. configured in a similar manner and may have similar effects.

[0099] In this example, if Figure 7 As shown in , the external light 130 is deployed within the common field of view 108 of the monocular cameras ...

no. 3 example

[0116] In the first embodiment, the synchronization deviation detection lamps 104 and 105 are disposed in the single field of view of the monocular camera 101 , and the synchronization deviation detection lamps 106 and 107 are disposed in the separate field of view of the monocular camera 102 . However, since the distance between the monocular cameras 101 and 102 and the synchronization deviation detection lamps 104 to 107 is short, the individual field of view of the monocular cameras 101 and 102 excluding the common field of view 108 is not so large. Therefore, there is a possibility that the operation of finely adjusting the installation positions of the out-of-synchronization detection lamps 104 to 107 is difficult.

[0117] In addition, since the synchronization deviation detection lamps 104 and 105 are disposed in the single field of view of the monocular camera 101 and the synchronization deviation detection lamps 106 and 107 are disposed in the separate field of view of...

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PUM

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Abstract

The invention discloses an imaging method, an imaging system, a manufacturing system, and a method for manufacturing a product. An imaging system includes a plurality of cameras and a controller, wherein the controller detects a synchronization deviation in image capture timing of the plurality of cameras by using images captured by the plurality of cameras, respectively.

Description

technical field [0001] The present disclosure relates to an imaging method and an imaging system that synchronizes image capture timings of a plurality of cameras and captures images of objects by the plurality of cameras, and relates to a manufacturing system and method for manufacturing products using the imaging method or the imaging system. Background technique [0002] In recent years, in a production line of industrial products and the like, assembly operations are performed by assembly manufacturing devices including robot devices instead of manual assembly operations. [0003] In such manufacturing systems, cameras and image processing devices for two-dimensional or three-dimensional measurement of workpieces are used to perform measurement or inspection of workpieces required for assembly operations in some cases. For example, in a case where information in a depth direction is required for measurement or inspection, a method of performing three-dimensional measurem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00H04N13/239H04N13/296G01S17/89
CPCH04N17/002H04N13/239H04N13/296G01S17/89B25J19/023H04N13/271H04N2013/0081H04N13/254
Inventor 檀庆太溝花弘登山本健吉渡辺庆
Owner CANON KK