3 . researching on the edge detection method of surface image . after using the edge detection operator for the preliminary abstracting , a series of extending work , such as grey bivalence 、 thinning 、 noise reduction and compagination have been done 3 .对带钢表面图像的边缘检测方法进行了研究及实现,采用边缘检测算子对边缘初步提取,进行了二值化、细化、去噪声、连接等一系列后续处理工作,并且较好的判断了边缘是否良好的情况。
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