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?".
How can I remove these noise (It is marked with a red circle) at the pictures with imagemagick command line?
In the GSA captcha breaker there are `segment` filter for doing this act.