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· The supersonic machine vision platform adopts the core algorithm of self-developed photometric stereoscopic 3D reconstruction technology

· Multi-angle light source imaging data was used for 3D reconstruction by photometric stereo algorithm to improve the identification of depth defects

· It can better depict the geometric characteristics of defects (concave/convex/plane), and significantly improve the differentiation of defects such as pits, needle eyes, aluminum leakage and bulge

· The imaging speed is better than the traditional physical 3D imaging scheme, and the light source is shared with the current 2D scheme, and the compatibility is good

· 3D reconstruction technology enhances the recognition of depth defects and effectively improves the accuracy of model classification

2D imaging technology

· 2D imaging overview, that is, the graphic only exists in the XY axis plus grayscale information or color RGB value. The comparison information in the gray graphic or color picture is used to process the feature information

· There are many industries, lithium battery, medical care, 3C, semiconductor, hardware, etc., so as to achieve various appearance testing, identification, positioning, measurement, judgment and other functions, which can help enterprises significantly improve production efficiency, automation and intelligence degree

· Advantages: low cost, easy installation, debugging and maintenance, wide range of use, disadvantages: difficulty in testing without high information, appearance detection high demand


2.5D imaging technology

· You can control the ultra -high speed synchronization by making the CMOS sensor and lighting pattern.

· Test the various appearance defects that occur on the surface, metal, and glass surfaces that cannot be judged without artificial visual vision

· Advantages: Slight scratches, concave pits, bumps, fingerprints, etc. The detection items that are difficult to recognize the eye recognition can be clearly treated

· Disadvantages: High cost, not available in high -speed exercise detection types


3D imaging technology

· The principle overview, that is, the laser emitted by the laser light source is transmitted by the lens to form a beam of line -shaped laser. The laser will reflect after the product surface is hit.

· Through the form of exercise scanning, multiple contour combinations form 3D images

· Advantages: For high -measured project requirements, you can get a good solution, such as pinholes of sealing nails and top cover welding

· Disadvantages: high cost, visual blind zone in imaging


Light three -dimensional imaging technology

· The principle overview, that is, calculate the gradient of the surface of the object according to the light strength of multiple images taken in different light sources to obtain the three -dimensional information of the image

· The optical three -dimensional imaging technology can also be comparable to 2.5D imaging, which is mainly used to detect the bump special information on the material

· Advantages: Low cost, just need to face the camera and the corresponding number of light or the multi -angle ring -shaped light source

· Disadvantages: The imaging field is small, and it cannot be used for the appearance detection on the large surface


Time -sharing frequency imaging technology

· The principle overview, that is, a physical deck realizes multiple photos, with the time -session -line lighting source controller, instantly improves the brightness. Multiple sets of light sources can be switched instantly to achieve a photo, multiple effects, solution compatibility issues, reduce visual hardware costs , Reduce institutional space

· Advantages: Use less cost to solve the compatibility of the test item

· Disadvantages: High -speed sports scene is not applicable


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