http://drupal.org/project/image contains a sub-module image_im_advanced.module, which allows to pass additional parameters to convert:

-unsharp (mask) http://www.imagemagick.org/script/command-line-options.php#unsharp
-profile (color profile) http://www.color.org/profiles.html
-colorspace http://www.imagemagick.org/script/command-line-options.php#colorspace
-strip http://www.imagemagick.org/script/command-line-options.php#strip
-density http://www.imagemagick.org/script/command-line-options.php#density

CommentFileSizeAuthor
#1 imagemagick-HEAD.advanced.1.patch10.73 KBsun

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sun’s picture

sun
Primary language German
Location Karlsruhe
commented
Status: Active » Needs review
StatusFileSize
new imagemagick-HEAD.advanced.1.patch10.73 KB

For starters.

sun’s picture

sun
Primary language German
Location Karlsruhe
commented
Status: Needs review » Fixed

Committed to master.

Status: Fixed » Closed (fixed)

Automatically closed -- issue fixed for 2 weeks with no activity.