Jud Dagnall Photography Blog

Photography, technology and occasional rants!

Using unsharp mask in ImageMagick

Posted on September 19th, 2005 in Geek, Tools & Gadgets, Photography, Techniques by jud || No Comment

ImageMagick is an open source, free, cross-platform set of image processing command-line tools. I use IM to process some of my images for presenation on the web. The sharpening functionality (unsharp mask) is not very well documented, and I found a pretty thorough explanation of
how to use unsharp mask in ImageMagick.

Quick Reference Cards for geeks

Posted on September 6th, 2005 in Geek, Perl by jud || No Comment

one-step self-signed SSL certificate

Posted on May 31st, 2005 in Geek, Linux by jud || No Comment

Site facelift

Posted on March 14th, 2005 in Geek, Site by jud || No Comment

Fedora Core 3 and MySQL4.1

Posted on February 9th, 2005 in Geek, Linux by jud || No Comment

IPython: Interactive Python

Posted on February 8th, 2005 in Geek, Python by jud || No Comment

redirecting sudo output

Posted on January 25th, 2005 in Geek, Linux by jud || No Comment

Simple forums with FUDforum and mailman

Posted on January 23rd, 2005 in Geek, Site, PHP by jud || No Comment

The origin of PHP’s “global” keyword

Posted on December 17th, 2004 in PHP by jud || No Comment

autohotkey - open source macros for windows

Posted on December 14th, 2004 in Geek by jud || No Comment

selecting ranges from a file with the perl .. operator

Posted on December 9th, 2004 in Perl by jud || No Comment

Smart bookmarks with Firefox keywords

Posted on October 28th, 2004 in Geek by jud || 1 Comment

Google vs. dagnall.net: my site is not indexed

Posted on October 24th, 2004 in Geek by jud || No Comment

Network faster than your harddrive?

Posted on July 8th, 2004 in Linux by jud || No Comment