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 or fearful person.) I'm a chicken because few...

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 post. % Did you know that imread can read directly from a...

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 and thoughtful ideas. Gene commented and Rob sent...

The Image Processing Toolbox has terminology conventions for four different image types: Binary images Gray-scale images Indexed images Truecolor images You'll also frequently see the term...

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 MATLAB only to have it occupy more than a page after...