Steve on Image Processing

Out-of-gamut colors 4

Posted by Steve Eddins,

The set of colors that can be represented using a particular color space is called the gamut. Some L*a*b* color values may be out of gamut when converted to RGB. You know that a converted RGB color is out of gamut when any of its component values is less than... read more >>

Typecast got faster in R2014b 2

Posted by Steve Eddins,

Some years ago we added the function typecast to MATLAB. I've been wanting to write about this useful little function ever since we significantly speeded it up in the R2014b release.... read more >>

Get the MATLAB code 2

Posted by Steve Eddins,

Last week someone asked me how many people use the “Get the MATLAB code” link on my blog.... read more >>

ICIP 2015 4

Posted by Steve Eddins,

I'm starting to get ready for ICIP in September. I'll be giving a talk about MATLAB on Monday, September 28. Go to the Tutorials and Workshops page and click on "MATLAB Today" for details. ... read more >>

New image batch processor app in R2015a 6

Posted by Steve Eddins,


Nine years ago I wrote a blog post showing how to do batch processing of image files. That is, I showed how to use MATLAB to perform the same operation on a bunch of image files in a particular folder.... read more >>

Image region filling – an updated design

Posted by Steve Eddins,


About a year ago, I wrote a blog post criticizing one of my functional designs from the 1990s, roifill. Now I have an update based on the R2015a release of Image Processing Toolbox.... read more >>

These postings are the author's and don't necessarily represent the opinions of MathWorks.