In my October 15 post I mentioned some Image Processing Toolbox performance improvements in the R2010b release. Today I want to mention other improvements in the release. There... 続きを読む >>

I heard this morning that Benoît B. Mandelbrot died over the weekend. Dr. Mandelbrot developed the theory of fractal geometry. Here's a picture of the set that bears his... 続きを読む >>

MathWorks shipped release R2010b last month. Today I want to mention several performance improvements made in the Image Processing Toolbox. First, imresize received more love and... 続きを読む >>

I'd like to introduce Brett Shoelson as guest blogger for today. Many of you already know Brett from his work on the File Exchange Pick of the Week blog, or his posts on the... 続きを読む >>

Last week I wrote about a user's request to perform connected-component labeling with an unusual connectivity definition: [1 0 1 0 1]This definition, which is not supported by Image... 続きを読む >>

A blog reader asked me recently for an enhancement related to connectivity. I found the request a bit surprising, and I want to explore it with you in the this post and the next. ... 続きを読む >>

A reader asked in a blog comment recently why a vertical line (or edge) shows up in the Fourier transform of an image as a horizontal line. I thought I would try to explain this using the... 続きを読む >>

In a recent post I demonstrated the use of bwdist (binary image Euclidean distance transform) to perform isotropic dilation. This was inspired by something that Brett asked me about. ... 続きを読む >>

Thanks to Steve Lord I just learned that documentation for previous MathWorks releases is now available online. This is something I know many of you have asked about. Just hop over to the... 続きを読む >>

Brett recently asked me about an image processing problem. One step in the problem involved finding out which pixels are within a certain distance of the foreground in a binary image. We... 続きを読む >>