Stay focused

The Computer Graphics Group sharpens photographs by capturing multiple low-quality images instead of a single higher-quality image.


In the image on the bottom, the eye is in the foreground and the text is in the background — and both are blurry because the photographer has focused on a point between the two. A new MIT system instead captures multiple images at several focal depths and stitches them into a sharper composite (top).
Courtesy Sam Hasinoff

Read more on this topic: http://web.mit.edu/newsoffice/2009/cameras-0930.html