Remove color from image

[dontry]

hi all, i would know if it's possible to remove all color exept one from an image. For example i have an image with different colors, i want to extract only the black parts of image. Thx in advance, hi

[Bonzo]

Check this thread from about a week ago.

http://redux.imagemagick.org/discourse- ... =1&t=11306

[dontry]

thx for fast reply man