edge detection operator的意思|示意

In the practical application of edge detection, should select operator legitimately according to the application needs.

在进行图像边缘检测的实际应用中，应根据应用的需要对算子进行合理的选择。

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。

By applying wavelet analysis method to image edge detection, multi scale operator of wavelet analysis functions well for noise resisting ability and picture edge reserving.

将小波分析方法应用于图像边缘检测领域，小波分析的多尺度算子在抗噪声和保留图像边缘的能力上有比较好的效果。

In the same geometrical direction of the sample to be registered and its neighboring images, some edge points are first detected as the characteristic points with directional edge-detection operator.

在样本和待配准图像相同几何方向上，先以方向边缘点检测算子检测目标区的数个边缘点作为特征点。

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。

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。