I am working with 32x32 colour images and want to segment items on them. I am using https://scikit-image.org . This only seems to work on grayscale images and mainly seem to focus on detecting edges between dark and light areas. But this does not find the items on color images very well (see the frog image below).

enter image description here

So I am looking for a classic method to detect (segment) items from color images (this frog for example). I do not want to use neural networks because I have to be fast...

Any idears (python language preferred)?


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