Michael Carroll: Focused more on transform implementation. Also, the theory and results sections of the written document. Appendix: Behind the Scenes Math cp2tform() uses matrix mathematics to perf

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通过maketform和cp2form指令将倾斜图形通过放射变换和投影变换纠正过来-By maketform and cp2tform instructions diagonal pattern by affine transformation and projection transformation corrected

cpselect手动配准，选择两张图片，使用cpselect函数与cp2tform进行配准，为图像拼合做准备。(Cpselect manual registration)