Legacy ImageMagick Discussions Archive

@NicolasRobidoux: Interesting -- I haven't seen this before. Thanks!

I am pleased to announce our new RCM tools website which allows one to interactively apply recursive conditional means (RCM) methods to images:

http://rcm.cps.utexas.edu/

Current applications include denoising and enlargement.

The site's primary intention is to provide a way for developers to ...

Our vision lab at the University of Texas develops point prediction algorithms, including enlargement, that use natural scene statistics.

This free site that we recently created allows you to enlarge images using this method:

http://rcm.cps.utexas.edu

We also have a qualitative comparison of ...

I'll use the current solution, but I am happy to provide links to a few of the images.

https://docs.google.com/leaf?id=0B2fAsWEYM9lyYjgzMzAxMjctY2Y5ZC00Y2Q0LThlZDEtNjlhMzE3ZGY4Njdj&hl=en_US&authkey=CMPD25UP
https://docs.google.com/leaf?id ...

I tried -quality 90, but that didn't help.

pngcrush, on the other hand, does the trick.

The IM that came with my FC12 distribution compressed the files down smaller without using pngcrush, whereas the IM that is installed in my current distribution, FC14, requires calling this extra application ...

Here I demonstrate that gimp's conversion from pgm to png yields a considerably smaller png file than IM's conversion. I tried using the -quality option (-quality 1, -quality 100), but it didn't help.

$ convert -v | head -1
Version: ImageMagick 6.6.4-1 2010-12-17 Q16 http://www.imagemagick.org
$ ls ...