2008.11.21 22:24 "Re: [Tiff] Re: RGB to palette images", by Bob Friesenhahn
In the interest of completeness, the normal libtiff command for this tiffmedian. It does not require holding the whole image in RAM. task is
However, it will not exactly preserve the color list from an RGB image with
a very limited number of unique colors (as described) so it is likely not
solution for the problem. a great
I see that it is very fast (< 4 seconds for 2029x100942 image). 16 color output does not look great, 256 color output looks better. A problem is that it currently does not accept JPEG-compressed TIFF.
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/