"A group of researchers have developed a way to identify pirated movies by reducing the original to a signature genetic code. The system can match even videos that have been altered or had their colors changed to the source, an area where many video piracy mechanisms fall short. Drs. Alex and Michael Bronstein and Professor Ron Kimmel have come up with a way to isolate a certain subset of data from video files that serves an analogous role to a fingerprint at a crime scene.