San Francisco start-up 3VR Security's technology breaks up the footage into key scenes and creates an index of searchable thumbnails. Once it has labeled a person, the software's facial-recognition engine will pull up other scenes featuring that individual or similar-looking people.
This screen capture shows the results of a search on 3VR employee Michael Pittman's face. It picked out the six times he passed cameras that day.
Bill Detwiler has nothing to disclose. He doesn't hold investments in the technology companies he covers.
Bill Detwiler is Editor in Chief of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the social research and energy industries. He has bachelor's and master's degrees from the University of Louisville, where he has also lectured on computer crime and crime prevention.