Python,opencv,imread,imwrite, storing, reading image pixels inconsistent, this case is label using JPG format

Source: Internet
Author: User

Recently in the image segmentation, you need to use some of the label to split the picture, but found that the stored partition label feel is smoothed, even when using

= Cv2.imread (info[' path '), Cv2. imread_unchanged) 

Also has no effect, the later found that the partition of the label format is stored in PNG format can be, guess (no deep correction) is JPG compression what caused.

Python,opencv,imread,imwrite, storing, reading image pixels inconsistent, this case is label using JPG format

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