I'd like to welcome back my fellow MATLAB Central blogger Brett Shoelson for the second in a three-part series on extracting curve values from a plot. You can find Brett over at the File Exchange Pick of the Week blog, or you can check out his many File Exchange contributions. -Steve... 更多内容 >>

Earlier this month I started exploring the question of computing the shortest path from one object in a binary image to another. I described the following basic algorithm: ... 更多内容 >>

Last week I showed this picture of M&Ms on my desk, and I used it to raise some vague questions about the definition of the color green. Today I'll use this picture as an opportunity... 更多内容 >>

Digital Image Processing Using MATLAB has three coauthors, and we are each responsible for different aspects of writing and other book-related activities. One of my responsibilities is to keep... 更多内容 >>

Today I'm introducing a series on computing the location of the US continental divide. (I was inspired to tackle this topic by Brian Hayes' blog post on the divide; thanks very much to... 更多内容 >>

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... 更多内容 >>