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Steve on Image Processing with MATLAB

Image processing concepts, algorithms, and MATLAB

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Steve on Image Processing with MATLAB has been archived and will not be updated.

Upslope area – Recursive calculation procedure 6

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 >>

Filling holes in images 23

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 >>

imoverlay and imagesc 5

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 >>

bwlabeln – design decision 13

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 >>

Upslope area – More plateau processing

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

Cell morphology article in Science magazine

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 >>

Image processing in the movies 25

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 >>