alt Hacker NewsRelatedly, Marcin Wichary wrote a nice post about using FFT to remove moiré and halftone effects when scanning images that were printed with halftones.
It's from 2021: Moiré no More (https://newsletter.shifthappens.site/archive/moire-no-more/).
Relatedly, Marcin Wichary wrote a nice post about using FFT to remove moiré and halftone effects when scanning images that were printed with halftones.
It's from 2021: Moiré no More (https://newsletter.shifthappens.site/archive/moire-no-more/).
I'd like to see a sequel where the fractional fourier transform is used for image restoration