--- Wade Pinkston <[EMAIL PROTECTED]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hello, I need to process some images and count the > number of pixes of a > given color. > > A little background. I want to take pix of leaves > against a mat > background. The leaves are then subjected to > damage. I'll then take a > duplicate photo. Now what I want to do is subtract > out the colors of the > leaf leaving only a two tone image. > > I was hoping to find a way to then use ImageMagick > or Gimp to count the > pixels of color so I can then get a percent change > between the two images. > > Does anybody know how to get ether of these two > programs to give this type > of information. Actually any software would be help > full.
Here is an example of using IM to compare 2 images, in this case, images from a webcam: http://www.notbig.org/bin/webcam.sh.txt Note the command that begins with differ=$(composite which first compares 2 images, then ignores minor color variations, converts the pixel comparison to text, and then manipulates the text as needed. I don't really understand what you are trying to do, but this sample of IM make be helpful for image comparisons. Jim ____________________________________________________________________________________ Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. http://farechase.yahoo.com/promo-generic-14795097 _______________________________________________ vox-tech mailing list [email protected] http://lists.lugod.org/mailman/listinfo/vox-tech
