Last August I posted an example showing how to display patch objects transparently over an image. I meant to follow that up with another post showing a couple of ways to display one image... read more >>

I've seen several situations recently in which a user couldn't figure out how to get their data into MATLAB, and it turned out that the data was in a form that could be handled by the... read more >>

03-Aug-2016 update: MATLAB xUnit (formerly MTEST) is now in a different location. It is currently maintained by Paul Sexton.
I just posted MTEST on the MATLAB Central File Exchange. MTEST is a unit... read more >>

Today I want to know if you've heard of an operation sometimes called the feature transform, and whether you've had a particular application for it. But first, greetings to those who... read more >>

This month finishes a third year for me of blogging about image processing algorithms, working with images in MATLAB, and more. Topics this past year included: A series of tutorials... read more >>

I just posted another timeit update to the MATLAB Central File Exchange. (See my original post on timeit for a detailed explanation of its purpose and use.) The new version has a few... read more >>

Last month I wrote about a color gamut mapping course that I took at the Color Imaging Conference in Portland, Oregon. I showed a couple of images in that post, in which I promised to... read more >>

Here are two sources of useful MATLAB functions that readers might be interested in. First, an acquaintance at Apple Computer recently told me about the Psychtoolbox. He thought that any... read more >>

After attending ICC DevCon 2008 last week in Portland, Oregon, I stayed for another day to take a couple of short courses at the Color Imaging Conference. One of the courses was Color... read more >>

I just returned from spending a few days in Portland, Oregon. Monday was ICC DevCon 2008. ICC is the International Color Consortium, an organization responsible for the color profile spec, known as... read more >>