So it was clear that we needed a new Gaussian filter implementation. None of us had any good references at hand, so we decided to look into the GIMP's code, since it's GPL-copylefted and thus free to use in our program. Fortunately the code was not overwhelmingly complex and we managed to extract it nicely from the GIMP and integrate into our program. We also implemented a multiple hit elimination routine and made a small utility program to mark the hits with crosses and visualize the hits' quality as well.

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