Many camcorders have an “anti-jog” system that compensates for camera shake by moving the image it records in the opposite direction to the shake. But this can spoil intentional camera motion, turning a smooth pan into a judder. But Philips has an answer (W0 2004/40905). In its scheme, the footage is shot without any correction, and so contains both intended and unintended camera shake. The footage is then copied onto a PC where software looks for, and indexes, every scene change – such as close-ups and long shots.
It then analyses each scene for signs of camera shake – such…
