Friday, March 25, 2011

Matlab Trick: Counting via Sparse

Here is a simple little matlab demo script of how to count items using the command sparse. Counting the occurrences of items is a frequently performed task in vision and not many people know that sparse can do this. Remember, if you're going to be a matlab jedi do not write for loops:

I am using github's gists to embed this code in style. Github lets me choose the language, highlights the syntax accordingly, and the snippet is its own repository!