It uses computer vision and image recognition to make its judgments. It may not seem impressive, after all a small child can tell you whether something is a hotdog or not.

Computer Image Beams Into Reality By CBSNews.com staff CBSNews.com staff December 22, 2000 / 11:54 AM EST / CBS ...

Computer vision encompasses hardware and software. Image processing tools look at images and pull out metadata, and then allow users to make changes to the images and render them how they want.

The computer, in turn, modelled the images displayed and the human reaction toward the images by using human brain responses. From this, ...