Today's post is by guest blogger Isaac Bruss. Isaac has been a course developer for MathWorks since 2019. His PhD is in computational physics from UMass Amherst. Isaac has helped launch and support... 더 읽어보기 >>

For some shapes, especially ones with a small number of pixels, a commonly-used method for computing circularity often results in a value which is biased high, and which can be greater than 1. In... 더 읽어보기 >>

I have seen some requests and questions related to identifying objects in a binary image that are touching the image border. Sometimes the question relates to the use of imclearborder, and... 더 읽어보기 >>

Someone recently asked me about the order of objects found by the functions bwlabel, bwconncomp, and regionprops. In this binary image, for example, what accounts for the object order?The functions... 더 읽어보기 >>

In May 2006, I wrote about a technique for computing fast local sums of an image. Today, I want to update that post with additional information about integral image and integral box filtering... 더 읽어보기 >>