Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
Given an opaque input image, composited with a semi-transparent watermark to make a result, can we find the watermark when we know the input and result images?
Yes, but there is an infinite number of possible solutions.