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The best way to apply custom transform to a bufferedImage

 
Pippet mamy
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Hi,
I have an application that transforms circular part of an image to a triangle. It works, the computation is fine, but the process is slow because the source to image conversion reads every pixel with in a circle one by one from the source image and maps it to result. I would like to know if we can do something like openCV's remap which computes the transform once and can be used for other images of the same kind.

Thanks,
Pippet
 
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