有趣的是，有一个点的不连续性在零附近。
Interestingly, there is a point of discontinuity around zero.
针对复杂背景下人脸位置的不确定性和人脸轮廓边缘点的不连续性，本文提出一种新的人脸分割算法，能够在复杂背景下将人脸快速分割出来。
In this paper, a new face segmentation algorithm is put forward to deal with the uncertainty of face location and the discontinuity of face contour.
图像的边缘表现为图像上的不连续性，边缘检测就是检测图像上的不连续点或陡变点。
The edge of image is manifested as discontinuity in image, what edge detection means is to doled (in the image ) those discontinuous points or sharp variation points.
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