Monthly Archives: September 2007

Ask Dr. Color’s Assistant: Tone-mapping in MATLAB

How does the tonemap function in the Image Processing Toolbox product work? Tone mapping, or tone reproduction, compresses the enormous amount of illumination data in a high dynamic range image to something more suitable for output on a medium that … Continue reading

Posted in Color and Vision, Computing, Fodder for Techno-weenies, MATLAB, Photography | 2 Comments

Dr. Color’s Assistant goes back to his notes

It’s Friday here at The Metrowest Homeopathic Imaging and File Rehabilitation Center, the day when I usually spend part of my time on 20% projects. [1] But I’ve basically been working on the results of my last such project full … Continue reading

Posted in Color and Vision, From the Yellow Notepad, General, Life Lessons, Software Engineering | Leave a comment

Sorting words

Previously, I’ve posted about using non-English characters in programming and the basics of character set encoding. It appears that I need to keep adding to this theme of internationalization and Unicode. In particular, the issue of collation — how to … Continue reading

Posted in Computing, Software Engineering | Leave a comment

The English in America

Last week, Lisa and I visited the Copps Hill Burying Ground near the Old North Church in Boston’s North End. I had walked by it a few times before but never gone in because it is sooo close to the … Continue reading

Posted in Burying Grounds, This is who we are | 9 Comments

Death to bookmarks!

I want to share my del.icio.us bookmarks with you. Some of my “statistically improbable” tags with many items include: color high-dynamic-range formats metadata hdr DICOM maps nukes suburbia photography osx So what’s this all about? Thirteen years ago when I … Continue reading

Posted in Computing, General, Life Lessons | Leave a comment

Smarter image resizing

A bunch of us around the office were talking about the cool content aware image resizing algorithm that we saw on Doug’s blog. The idea behind Shai Avidan and Ariel Shamir‘s work is to find information-neutral “seams” in the image … Continue reading

Posted in Color and Vision, Fodder for Techno-weenies, Life Lessons, Photography | Leave a comment

Deconstructing an image

Friends, I’ve been wanting to tell you about this for a while, and now that the beta public version of MATLAB R2007b is out, I can finally post. This will be the first of a series of articles about high … Continue reading

Posted in Color and Vision, Computing, Photography | 2 Comments

Finally a No-hitter

Clay Buchholz pitched a no-hitter tonight. It wasn’t perfect — he hit a batter and walked a few — but it was just his second major league baseball game. Ever. What a great game! The game had so much drama … Continue reading

Posted in Baseball | 1 Comment