Four lenses and a Spatial Light Modulator allow each pixel to have a different focal length in research from Carnegie Mellon ...

My July column (“Calibrate camera coordinates and colors”) described techniques you can use to calibrate vision systems. In some cases, though, basic calibrations do not suffice. General-purpose ...

Focus stacking is a technique that will give your macro shots much sharper focus. Here's how to get started with a dSLR. Lexy Savvides Former Editor at Large Lexy was a producer and on-air presenter ...

Finding the right set of lenses for your machine vision system can be a daunting task. Wiebke Marzahn of Sill Optics addresses some common concerns by breaking the puzzle down into a number of key ...