Patent ID: 9262986
Filing Date: 2016-02-16
CPC Classification: G09G,H04N

Claim Text:
1. A method comprising: providing a video data stream including a plurality of frames, each frame including a plurality of pixels that define content within the frame; utilizing a hash or checksum function, determining a plurality of hash code values associated with partitioned portions of a current frame within the plurality of frames, wherein each hash code value is determined as an output value from the hash or checksum function based upon an input value comprising one or more pixel values for a corresponding partition within the current frame; comparing the hash code value of each partitioned portion of the plurality of partitioned portions of the current frame with the hash code value of a corresponding partitioned portion of each reference frame; and selecting a plurality of reference frames as candidate reference frames for coding the current frame based upon hash code values of the selected reference frames that are closest matches to hash code values for the current frame, wherein the selecting a plurality of reference frames comprises: