how to find true positives,false positive of an image?

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ramya 2018-4-16

评论： Walter Roberson 2018-4-16

i have given an image.how to find true positives,false positives,true negatives,false negatives?

ramya 2018-4-16

suppose if i have this image how to find tp fp tn and fn.

Walter Roberson 2018-4-16

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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