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Image coordinate tool wrong coordinate after ImagePerspectiveTransformation

Posted 2 months ago
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Today I tried the book image example in this document page, copy&paste the example code to the desktop, and use the image coordinate tool, and it works perfectly, then if you change the magnification, it starts giving you the wrong coordinates, and I try random images, in many cases, the coordinate it gives are wrong, what is the precondition to use this tool´╝čis there any pre-processing I can do to make sure it works? Thanks,

POSTED BY: vincent feng
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