Patent ID: 6020934
Filing Date: 2000-02-01
Classification: H04N

Abstract:
Apparatus for enhancing video frame quality comprising:bus means for receiving an input video stream comprising a plurality of video frames, wherein each frame comprises digital pixel data organized as a plurality of macroblocks;coarse search means for receiving the video frames and the macroblocks thereof, and performing a coarse search in a current frame to find one or more full resolution best match macroblocks;refined search means, coupled to said coarse search means, for performing a refined search in said current frame, generating a minimum full resolution best match macroblock and a corresponding minimum full resolution difference result;half resolution means, coupled to said refined search means, for generating a minimum half resolution best match macroblock and a corresponding minimum half resolution difference result; andresolution means for selecting the lesser of the minimum full resolution difference result and the minimum half resolution difference result.