Legacy ImageMagick Discussions Archive

Hello again, Finally found it by myself. Just have to add layers with this command : convert A B -background black -compose plus -layers flatten C Here you can test with this image : http://zupimages.net/viewer.php?id=16/48/1ika.png To reveal the hidden secret just do : convert input.png -fx '(int(u ...

Hello, I have found a way to do some steganography with imagemagick and it's capacity to extract bit planes, but now I'm stuck for merging the different bit planes. I have two images A and B (same size): A is the mask et B the secret i want to hide. On A I do : convert A -fx '(int(u*255)&240)/255' A ...