Question

I’m doing some image processing, and am trying to keep track of points similar to those circled below, a very dark spot of a couple of pixels diameter, with all neighbouring pixels being bright. I’m sure there are algorithms and methods which are designed for this, but I just don’t know what they are. I don’t think edge detection would work, as I only want the small spots. I’ve read a little about morphological operators, could these be a suitable approach?

Thanks

Answer 1

Personally I like this corner detection algorithms manual.

Also you can workout naive corner detection algorithm by exploiting idea that isolated pixel is such pixel through which intensity changes drastically in every direction. It is just a starting idea to begin from and move on further to better algorithms.