中文说明：网上找的一个关于图像拼接的例子，harris角点的提取，NCC粗匹配，RANSAC精确匹配，加后续的图像处理融合，最终实现拼接，通俗易懂
English Description：
Online search for a picture of the example of the Harris corner extraction, NCC coarse matching, RANSAC matching precision, plus follow-up image processing fusion, and ultimately achieve stitching, easy to understand