Optical fiber panel is an indispensable element for electro-optical imaging. It has important guidance significance for improving production process and product quality to detect the shadow automatically. In the actual development process, the automatic detection system is composed by high-speed and high-resolution plane array CCD sensors and VC visual program. But the detected edge still has some defects used preferred Canny operator, and the Canny operator is improved by wavelet denoising, implementation of adaptive threshold. Then the edge detected by improved Canny operator is processed by edge connection, closed curve obtainment, small regional connectivity and edge refinement etc. and get more clearly complete shadow image. Furthermore, complexity to mark shadow defects is reduced greatly, and the method is feasible.
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王明吉,杨红梅,吴云. 基于改进Canny算子的光纤面板暗影检测结果边缘优化方法[J]. 科学技术与工程, 2011, (7): . wangmingji, yanghongmei, wuyun. Method to Optimize Detection Edge of Optical Fiber Panel Shadow Based on the Improved Canny Operator[J]. Science Technology and Engineering,2011,(7).