Posts 351 - 360 of 597

Tab completion for imread, imfinfo, and imwrite in R2009b 2

著者 Steve Eddins, October 2, 2009

OK, I'm embarrassed that I didn't even know about this particular new feature in R2009b. Yesterday I was in another developer's office looking at his latest project. He was typing away in MATLAB... 続きを読む >>

Evolution of logical arrays in MATLAB 21

著者 Steve Eddins, September 18, 2009

An internal design discussion this week prompted me to reflect on the history of logical arrays in MATLAB. Because the Image Processing Toolbox treats logical arrays as binary images, their... 続きを読む >>

Many steps needed for some color-space conversions 2

著者 Steve Eddins, September 9, 2009

It can take a lot of computational work sometimes to convert between color spaces. I was recently looking at the computational steps needed to convert between sRGB and a particular CMYK space known... 続きを読む >>

Functional design clunkers 5

著者 Steve Eddins, August 31, 2009

Sometimes I'd really like to be able to go back in time and fix a few of the functional designs in the Image Processing Toolbox. In a few cases the original design flaw is that we bundled... 続きを読む >>

Knuth on go to – 1974 3

著者 Steve Eddins, August 27, 2009

Earlier this year, Perl programmer and author Mark Jason Dominus mentioned in an e-mail list that the 1974 paper "Structured Programming with go to Statements," by Donald E. Knuth, was one of his... 続きを読む >>

Moving toolbox functions into MATLAB

著者 Steve Eddins, August 18, 2009

I'm sorry to have disappeared off the blogging map the last couple of weeks. I got involved in some projects that needed many hours of uninterrupted, focused time, which somehow doesn't... 続きを読む >>

Five years of Image Processing Toolbox changes 9

著者 Steve Eddins, July 30, 2009

Earlier this week I wrote about the lists I keep of MATLAB and Image Processing Toolbox changes that might be relevant to the material in Digital Image Processing Using MATLAB. I've been keeping... 続きを読む >>

Five years of MATLAB changes related to image processing

著者 Steve Eddins, July 27, 2009

Digital Image Processing Using MATLAB has three coauthors, and we are each responsible for different aspects of writing and other book-related activities. One of my responsibilities is to keep... 続きを読む >>

Scattered data interpolation in R2009a

著者 Steve Eddins, July 24, 2009

I want to point you to Damian's second guest blog post on Loren's Art of MATLAB. Scattered data interpolation and data gridding definitely have application to multiple areas in image processing, and... 続きを読む >>

A new look for connected component labeling in R2009a – Part 3 3

著者 Steve Eddins, July 20, 2009

I wrote last week about new features in R2009a related to connected component labeling. There are two new functions, bwconncomp and labelmatrix, as well as additional syntaxes for an existing... 続きを読む >>