From half_life_fool at hotmail.com Tue Nov 1 04:02:54 2005 From: half_life_fool at hotmail.com (- -) Date: Tue Nov 1 04:03:30 2005 Subject: [im-users] Image processing question Message-ID: Hi, I am looking into the IM library, but I can't seem to find functions for the following items: - remove noise from a picture - (partialy) lighten an area - changing contrast/brightness of the picture Can someone tell me how I can do this? Or maybe someone might know an opensource library which can? Thanks a lot! From laurent.pugin at bluewin.ch Tue Nov 1 04:21:23 2005 From: laurent.pugin at bluewin.ch (Laurent Pugin) Date: Tue Nov 1 05:22:46 2005 Subject: [im-users] Image processing question Message-ID: <43671773.4070604@bluewin.ch> - remove noise from a picture try different filters (in Convolution Operations or Rank Convolution Operations) > - (partialy) lighten an area > - changing contrast/brightness of the picture in Tone Gamut Operations ( imProcessToneGamut with IM_GAMUT_BRIGHTCONT). If you want to do it partially, you must first crop the area and then place it again. Laurent