how to find true positives,false positive of an image?
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i have given an image.how to find true positives,false positives,true negatives,false negatives?
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Walter Roberson
2018 年 4 月 16 日
You can
img = imread('pic.bmp');
pixel_is_white = img > 0;
Your image only contains 0 (black) and 255 (white) (also used for the background).
However, there is no obvious connection between anything in that image and truth or not truth.
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