Image alignment is a process of matching one image called template (let s denote it as T) and another image I (see fig. 1). There are many applications of image alignment, such as tracking objects on video, motion analysis and many other tasks of com

这是图像边缘检测、提取及轮廓跟踪的算法，包括边缘检测、Hough变换、种子填充等-This is the image edge detection, contour extraction and tracking algorithms, including edge detection, Hough transform, seed filling