相位相关算法，用来进行图像拼接。对信息量较大的图像拼接效果较好，例如指纹。原理简单，但是要求两幅拼接图像有较大的重合部分。-Phase correlation algorithm for image mosaic. The amount of information the image mosaic effect more better, such as fingerprints. The principle is simple, but requires two pieces of mosai