实现各种图像处理技术，包括边缘检测、Hough变换、差影法、轮廓提取与跟踪、模板匹配、投影法、图像复原、阈值分割、种子填充等内容。-Realize a variety of image processing technologies, including edge detection, Hough transform, poor shadow method, contour extraction and tracking, template matching, projection method