Patent ID: 9268921
Filing Date: 2016-02-23
CPC Classification: G06F

Claim Text:
1. A method comprising: detecting, by a hardware processor, a plurality of events in a portion of image data of an unknown video work, wherein each of the plurality of events comprises a visually perceptual occurrence at a time location in the unknown video work, the plurality of events comprising at least one of a scene change between neighboring scenes in the portion of image data, a blank frame preceding or following a non-blank frame, or a first frame having pixels with a first color distribution preceding a second frame having pixels with a second color distribution that differs from the first color distribution by a threshold amount; determining, by the hardware processor, one or more metrics between each pair of adjacent events from the plurality of events; generating a first list comprising the plurality of events detected from the portion of image data of the unknown work and the one or more metrics between each pair of adjacent events from the plurality of events; comparing the first list to a second list comprising events and metrics between events for a known work to determine a first quantity of hits and a second quantity of misses, wherein a hit is determined for a match between an event or metric in the first list and a corresponding event or metric in the second list and a miss is determined for an event or metric in the first list that fails to match an event or metric in the second list; determining whether the first list matches the second list based on the first quantity of hits and the second quantity of misses; and determining that the unknown video work is a copy of the known work responsive to a determining that the first list matches the second list.