I’d like to remove perforation dots/lines from drawing. It’s a scan of well-known “Bicycle Day” LSD blotter. What filter should I look for?
Sample:
I’d like to remove perforation dots/lines from drawing. It’s a scan of well-known “Bicycle Day” LSD blotter. What filter should I look for?
Sample:
Thank you. As first approximation it is OK, but the blur is too big. Can I use wavelet decompose or FFT in this example?