利用opencv图像库对两幅报纸图像进行拼接，输出拼接结果图。实际的使用过程中可以预先计算参数和变换矩阵以提高效率。拼接的结果图略有重影，如果要消除重影，可以自行修改最后部分的拼接算法，把两幅图叠加改为依据分割线拼接。(Using OpenCV image library to splice two newspaper images and output the results of stitching. In practical use, parameters and transformation matrix can be pre computed to improve efficiency. The result of the splicing is slightly reacted. If we want to eliminate the re image, the stitching algorithm of the last part can be modified by itself, and the two images can be superimposed on the splicing line.)