15 ms·
How resistant is it to dithering? Can you just add +-1 randomly to each pixel r,g and b values and throw it off?
by petjuh 24d ago
How resistant is it to dithering? Can you just add +-1 randomly to each pixel r,g and b values and throw it off?
- red_admiral 24d agoProbably not, if it's this kind of thing: https://en.wikipedia.org/wiki/Perceptual_hashing https://en.wikipedia.org/wiki/Perceptual_hashing
- account42 23d agoRandomizing bit 0 might not be enough but if you know the algorithm used (and you do in this case because it is applied locally) then you can always replace the embedded data with random noise.