This week I wrote the last in a series of postings that discussed how MATLAB associates matrix values with specific screen pixel colors. The series talked about the two fundamental image display... 更多内容 >>

In my previous postings on this topic, I've discussed the basic image display models in MATLAB - truecolor and indexed. The Image Processing Toolbox has conventions for two additional image... 更多内容 >>

The MathWorks does not normally preview unreleased features, but I thought this might be a good time to make an exception. We are very excited about a set of new performance optimizations we are... 更多内容 >>

Note For new or updated information about this topic, see: How to Overlay a Color on an Image Using a Mask (03-Dec-2019) Contents Image Overlay ... 更多内容 >>

All I've been doing this week is writing. Unfortunately, I haven't been writing blog postings. Between my other work responsibilities and an upcoming trip, I have almost no time left for this blog... 更多内容 >>

If you are like me, you never remember to check web sites you are following for new content. I prefer to be automatically notified, somehow, whenever something new is posted. For blogs and other... 更多内容 >>

I've received some comments and e-mail asking how to apply the spatial transformation ideas I've been writing about to images. When I started this series, I naively assumed that Image Processing... 更多内容 >>

The MathWorks released a new product line update last week. The new release is called R2006a, thus marking the end for releases named R12, R13, R14, etc. Some of you may have noticed that... 更多内容 >>

MATLAB user Paul contacted me recently to ask how to convert 150dpi JPEGs to 300dpi TIFFs. After I asked for more information, he explained that he was working with a publisher who expected all... 更多内容 >>

We've talked about using Image Processing Toolbox functions to define an affine transformation and apply it to points. Let's begin to explore transforming images. ... 更多内容 >>