Steve on Image Processing and MATLAB

Concepts, algorithms & MATLAB

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How to Read and Visualize a DICOM Volume

Earlier this year, I learned something about DICOM datasets that surprised me. I had downloaded a Head-Neck CT+PET study, and I wanted to create a volume array in MATLAB. I tried to do this the hard way at first, and of course I got it wrong. (Spoiler: there's an easy... read more >>

Guess the functions and get a t-shirt 2

Of all the MATLAB or MathWorks toolbox functions that have been mentioned in this blog since 2006, imshow and imread have appeared the most. As in last week's post, they often appear together, right at the beginning: ... read more >>

Using the Color Threshold app again 6

Back in the summer I had another chance to use the Color Thresholder, a very nice app that's in the Image Processing Toolbox. I happened to come across a question on MATLAB Answers - someone was looking for a way to segment the yellow region in this image:... read more >>