Confession time. When it comes to writing about Fourier transforms on this blog, I'm a chicken. (For my readers not familiar with English slang, chicken in this context means a cowardly... read more >>

I was looking at the image below on a web page recently and I decided to extract the locations of all the dots. I thought the procedure might make a nice little end-of-the-week how-to... read more >>

Yesterday I posted that I was looking for a replacement for the term truecolor. (I won't repeat the explanation here; take a look at the original post.) Quite a few readers posted interesting... read more >>

The Image Processing Toolbox has terminology conventions for four different image types: Binary images Gray-scale images ... read more >>

I received the following question recently: I'd like to be able to establish an image size that will be recognized by PDFLATEX when I compile my document. Often, I size an image in... read more >>

A friend from my grad school days (back in the previous millenium) is an electrical engineering professor. Students in his class recently asked him why the conv function is not... read more >>