Thanks again Fred. I really appreciate your help. I'll experiment with contrast-stretch.
- Grant > Grant, > > I am sorry but there is no ONE way that is always best. IM does not > yet have an autolevels function such as in Photoshop and even that > has limitations. You will just have to try a some variations of > -contrast-stretch percentages on a number of sample images until you > find something that works more or less well for your range of images. > > I would definitely upgrade to the latest IM version. I don't recall > what version you are on. But there have been many improvements and > speed ups in the later versions. > > If you were not using Perlmagick or some other API, I would recommend > using one of my bash unix scripts, either redist or retinex. They are > closer to a more consistent approach than even autolevels. But these > scripts only run in command line IM, unless you are capable of > re-writing them in Perlmagick. But I would still test in command line > mode first on a number of your images until you find whether either > script works well for you. > > If you are interested in experimenting in command line mode with my > scripts, you can get them at > http://www.fmwconcepts.com/imagemagick/index.html > > > Fred > > >>Thanks Fred. I don't want to fine-tune for each image, so which >>technique do you think it most likely to work well for any image I run >>through it? I can update imagemagick no problem. Will I fare better >>with a newer version? >> >>- Grant > _______________________________________________ > Magick-users mailing list > [email protected] > http://studio.imagemagick.org/mailman/listinfo/magick-users > _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
