角点检测边缘检测轮廓检测ORBSIFTSURF图像拼接

图像处理python代码附带测试图片:角点检测corner_detection.py,边缘检测margin.py,轮廓检测contour_detection.py,ORB.py,SIFT.py,SURF.py,图像拼接stitching.py