One embodiment of the present invention provides a system that dynamically refocuses an image to simulate a focus plane and a depth-of-field of a virtual camera. During operation, the system receives an input image, wherein the input image includes depth information for pixels in the input image. The...http://www.google.de/patents/US7961970?utm_source=gb-gplus-sharePatent US7961970 - Method and apparatus for using a virtual camera to dynamically refocus a digital image