So far in this series I've talked about calculating pixel flow directions and handling plateaus, but I haven't yet discussed the actual upslope area calculation. The Tarboton paper... read more >>

Didja know? You can fill holes, or pits, in grayscale images by using the Image Processing Toolbox function imfill. The other day I was rereading the Tarboton paper on upslope area,... read more >>

In March 2006 I wrote about how to overlay a specified color onto specified pixels of a grayscale or RGB image. I put a utility function (imoverlay) for performing this... read more >>

In a comment on my "Connected component labeling - Part 6" post, Martin Isenburg asked "what is the rationale behind the design decision to have bwlabeln work on individual pixels rather than on... read more >>

In part 4 of this series I classified DEM plateaus into: ... read more >>

The June 22, 2007 issue of Science magazine contains the article "Quantitative Morphological Signatures Define Local Signaling Networks Regulating Cell Morphology," by Chris Bakal, John Aach,... read more >>

I'm blogging from vacation today, so here's a fun topic for you to consider. (As far as I know it has nothing to do with MATLAB.) What are your favorite movies or TV shows in which image... read more >>