So i'm trying to detect an square object on android using opencv on ndk, and crop it to a 2D figure, I detect the points of the squares, but When i Try to use getPerspectiveTRansform(src, dst) I get this error Message:So i'm trying to detect an square object on and
阅读背景：
当我试图在Android-NDK上使用get透视转换来转换透视图时，断言失败了。
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