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International Conference on Computer and Electrical Engineering 4th (ICCEE 2011)

Jianhong Zhou
Jianhong Zhou
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This paper presented a new illumination system for defect inspection on the highly specular surface, especially for Chrome-plated surface. The surface is perfect specular, from which the diffuse reflection components are weak while specular reflection components are so strong that its intensity saturate the CCD matrix to causes some surface features to be lost. The square LED with white light pass through frosted glass and provides diffuse light source and a separate constant current source with intensity control were adopted. Diffuse illumination source with an optimum location impinge the specular surface also can reduce specular reflection from the surface and...

Key Words
1 Introduction
2. Measuring Autobody Panels
3 Light Source System
4. Application on the Chrome-Plated Surface
5. Conclusions
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