Hi Anthony, Thanks, I will try to do that what you wrote. (and hopefully figure out the right parameter/values)
Greetings On Thu, Aug 21, 2008 at 8:22 AM, Anthony Thyssen <[EMAIL PROTECTED]>wrote: > Kyrill on wrote... > | Hi all, > | > | I'm working on a script that removes the background from pictures. > | The problem is on pictures with shadow, it doesn't remove the shadow. > | > | Any idea how I can remove the shadow too? > | > | Here the steps that I use for removing the background: > | > | Original File > | http://img179.imageshack.us/img179/255/origke7.jpg > | > | Difference > | http://img170.imageshack.us/img170/3316/diffih5.png > | > | Threshold > | http://img170.imageshack.us/img170/7930/thresholdhi5.png > | > | Image without background but with shadow > | http://img186.imageshack.us/img186/5355/outhb7.png > | > | If you need more information, let me know. > | > Your shadow will make it very very tricky to do background > removal, but not imposible. > > You may be better to split your image into two sections. The first to > handle the unshadowed background, the cecond to remove the shadowed > background. > > That is a two color background removal. > > > Note however that a simple 'theshold' background removal will produce > some horible aliased edging effects, especially in the hair. > > I suggest you look at the double 'fuzz' method given in IM examples > Masking with Anti-Aliased Edges > http://www.imagemagick.org/Usage/channels/#mask_antialised > > This should let you remove the background as retain or remove the > shadow as you wish! > > You still may need to remove the two backgrounds separatally for better > results. > > Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]> > > ----------------------------------------------------------------------------- > `` WARNING: Keyboard device not present. Press <F1> to continue... '' > --- "American Megatrends" PC Bios > > ----------------------------------------------------------------------------- > Anthony's Home is his Castle > http://www.cit.gu.edu.au/~anthony/<http://www.cit.gu.edu.au/%7Eanthony/> > _______________________________________________ > 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
