Why dice similarity is so low for those two images?
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Please see attached images. Even in the eye seem that are very close one image to the other since they are more or less the same with different post processing values.
Yet the dice(x,y) gives me only 0.00272479564032698
where it should give me close to 1. With that number it tells me that those two have nothing in common which is not true.
What am I doing wrong?