Optical detection method, optical detection device and optical detection system
A technology for optical detection and detection of images, applied in the field of optical instruments, can solve the problems of large fluctuation of detection results, unsuitable for manual detection, and low efficiency.
Inactive Publication Date: 2016-12-07
SAINT-GOBAIN GLASS FRANCE
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[0003] However, the detection of broken glass in the prior art often remains at the stage of manual detection
The efficiency of manual detection is relatively low, and the detection results fluctuate greatly, because the detection results of manual detection are easily affected by human fatigue or subjective consciousness
In addition, many industrial scenarios are not suitable for manual detection
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[0017] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0018] In the prior art, broken transparent substrates are generally detected manually. This method is not only inefficient, but also the detection results are easily affected by human subjective consciousness, thus affecting the accuracy of the detection results. In addition, the detection results of manual detection also have large fluctuations, because manual detection is easily affected by the degree of human fatigue and the surrounding environment, and these effects will cause deviations in detection results. In addition, some industrial scenarios are not suitable for manual detection, such as some high-risk operating environments and environments that affect human health.
[0019] In order to solve the technical problems described ab...
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The invention provides an optical detection method, an optical detection device and an optical detection system. The optical detection method comprises the following steps: obtaining crack distribution information; distinguishing branch cracks and bifurcated cracks in the crack distribution information; determining main cracks; determining the position of a breaking source. The optical detection device comprises an imaging module, an image processing module and an analyzing module, wherein the analyzing module comprises a characteristic analyzing unit, a main crack extracting unit and a direction determining unit. The optical detection system comprises the optical detection device. The optical detection method, the optical detection device and the optical detection system, provided by the invention have the beneficial effects that a broken substrate can be detected without manual detection, and thus the breaking source of the broken substrate is found, the efficiency is relatively high, and the detection result is relatively accurate compared with the manual detection manner; in addition, the method can be applied in more scenes, including some environments not easy to manually detect.
Description
technical field [0001] The invention relates to the field of optical instruments, in particular to an optical detection method, an optical detection device and an optical detection system. Background technique [0002] In the prior art, it is often necessary to inspect some broken transparent substrates (for example, glass, etc.), and the purpose is to find out the source of the broken transparent substrate. [0003] However, the detection of broken glass in the prior art often remains at the stage of manual detection. The efficiency of manual detection is relatively low, and the fluctuation of detection results is large, because the detection results of manual detection are easily affected by human fatigue or subjective consciousness. In addition, many industrial scenarios are not suitable for manual detection. Contents of the invention [0004] Therefore, an optical detection method, an optical detection device, and an optical detection system are needed to replace man...
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IPC IPC(8): G01N21/958G06T7/00
Inventor 朱嘉何涛吴欢欢
Owner SAINT-GOBAIN GLASS FRANCE