< MATLAB: In an assignment ... < Previous Editing an Existing Figure File... >Next > Selectively Changing an Image in MATLAB with Logical Indexing Posted by Doug Hull, December 5, 2014 8 views (last 30 days) | 0 Likes | 1 comment A MATLAB user on MATLAB Answers wanted to know how to change all the pixels in an image that were below a certain threshold. The answer was correct, but very terse. I wanted to expand upon the question with an explanation of logical indexing in MATLAB. | You are now following this blog post You will see updates in your activity feed. You may receive emails, depending on your notification preferences. Close Category: Format: Video, Level: Basic < MATLAB: In an assignment ... < Previous Editing an Existing Figure File... >Next > See Also Gray-scale pixel values in image regions Blogs Extracting the Variable Names of a Logical Table Blogs Indexing to make an image in MATLAB Blogs sub2mask Data Spike Removal for Images getIndicesInDim Comments To leave a comment, please click here to sign in to your MathWorks Account or create a new one.