BLURRY snaps could be a thing of the past with the development of a digital camera that refocuses photos after they have been taken.
The camera could be useful for action shots taken by sports photographers or for CCTV surveillance cameras, which often produce fuzzy shots due to poor lighting.
In an ordinary digital camera, a sensor behind the lens records the light level that hits each pixel on its surface. If the light rays reaching the sensor are not in focus, the image will appear blurry.
Now, Pat Hanrahan and his team at Stanford University have figured out how…
