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Steve on Image Processing with MATLAB

Image processing concepts, algorithms, and MATLAB

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Steve on Image Processing with MATLAB has been archived and will not be updated.

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Cluster-based image display 3

Although this is the time of year that I normally mention some of the new features from the "a" release, today I thought I would focus on a feature added several releases ago that I think deserves... read more >>

Revisiting dctdemo – part 3

This is the third part of my plan to rewrite an Image Processing Toolbox example from 20 years ago using more modern MATLAB language features. I got the idea from Dave Garrison's recent article on... read more >>

MATLAB software testing tools – old and new (R2013a!) 2

R2013a, the latest semi-annual MathWorks product release, just went live. One of the significant new capabilities in the MATLAB release is a new unit test framework (overview video, documentation). I... read more >>

Revisiting dctdemo – part 2 4

This is the second part of my plan to rewrite an Image Processing Toolbox example from 20 years ago using more modern MATLAB language features.Recall the old app I'm trying to reinvent: The idea is... read more >>

Revisiting dctdemo – Part 1

Last month, Dave Garrison wrote a nice article on the MathWorks web site about coding an app (or GUI) by defining a class.Curiously, this article made me think of a day back in September 1993. I... read more >>

George Forsythe is inside the default MATLAB image

A couple of weeks ago, Cleve wrote a post about George Forsythe, Cleve's "thesis advisor, colleague, and friend."In that post, Cleve showed some MATLAB code to load in and display a 1964 picture of... read more >>

Counting objects without bias 7

In today's post I want to look at two methods for counting objects per unit area. For example, how can we estimate the number of objects per unit area in this image: I could simply count the number... read more >>

Computer vision and image processing in R2012b 2

A lot happened in the R2012b for products related to image processing:

... read more >>

MATLAB R2012b 8

A month ago, MathWorks shipped its annual September release, R2012b. (MathWorks follows a twice-yearly release schedule for the entire product line.) Several of my fellow bloggers have already described various aspects of the new release. Today I'll take a look at MATLAB, following my typical practice of highlighting a few changes to MATLAB that are particularly interesting to me.... read more >>

Image processing in Orlando next week (ICIP 2012)

I'm flying down to Orlando, FL on Saturday afternoon for the IEEE International Conference on Image Processing (ICIP 2012). I'll be doing two workshops there on Sunday and Monday of next... read more >>

Posts 181 - 190 of 478