The whole process can be divided into two steps: First, the method of surface fitting with discrete orthogonal polynomial is applied to detection of edge position.
整个处理过程分为两步：第一，采用离散正交多项式曲面拟合技术探测边缘位置；第二，运用松弛标定网突出有意义的边缘结构和压缩噪声边缘。
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。
The experiment results demonstrate that the proposed algorithm enhances the precision of edge detection and satisfies the requirement of vision detecting in SMC ( surface mounting machine) mounting.
通过实验比较，认为该方法提高了边缘提取的精度，满足了贴片机视觉检测的要求。
The main works of this paper surrounds the passive millimeter wave imaging system structure, include of the radiation temperature test on different surface targets, image denoise, edge detection.
本文主要通过毫米波被动成像系统，完成了不同面目标的辐射温度测试，图像去噪处理，图像边缘检测等工作。
In this way, this proposed algorithm takes merits of the combination of edge detection and region growth to realize the accurate boundary location of 3d curved surface.
该算法将边缘检测应用于区域生长规则中，充分发挥了边缘方法和区域生长方法两者的优点，实现了三维曲面边界的精确定位。
In this way, this proposed algorithm takes merits of the combination of edge detection and region growth to realize the accurate boundary location of 3d curved surface.
该算法将边缘检测应用于区域生长规则中，充分发挥了边缘方法和区域生长方法两者的优点，实现了三维曲面边界的精确定位。
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