Steve on Image Processing

Ellipse visualization and regionprops 1

Posted by Steve Eddins,

ellipse_lines_02

A blog reader asked me recently how to visualize the ellipse-based measurements computed by regionprops. The reader wanted to superimpose the estimated ellipses on the image.... read more >>

Out-of-gamut colors

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 >>

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