Then a new kind of edge detection operator was used to obtain edges from the enhanced image.
最后利用迭代算法对边缘图像进行二值分割。对改进的模糊边缘检测算法进行了实验。
Discusses and compares various edge detection operators for digital image processing, and analyses the characteristics of each operator.
讨论和比较数字图像处理的几种丝缘检测算子，分析各算子的特点。
Sensitivity is different for different differential operators, how to choose a suitable edge detection operator to obtain exact information of edge, is the essential step for fracture surface image.
不同的微分算子对边缘的敏感程度是不同的，如何选用适当的边缘检测算子得到准确的边缘信息，就成为断口图像处理的关键步骤。
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