APPARATUSES AND METHODS FOR PERFORMING JOINT RATE-DISTORTION OPTIMIZATION OF PREDICTION MODE
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Feb 6, 2013
filing date -
Feb 6, 2013
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Abandoned
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Abstract
Examples of apparatuses and methods for performing a joint RD optimization operation are described herein. A method may include successively encoding a macroblock using a plurality of coding modes. The method may further include determining a corresponding rate-distortion cost to encode the macroblock based on a corresponding coding mode of the plurality of coding modes. The method may further include determining a corresponding estimated rate-distortion cost to encode one or more macroblocks affected by encoding the macroblock using the corresponding coding mode. The method may further include selecting a coding mode of the plurality of coding modes having a lowest corresponding joint rate-distortion cost. The corresponding total rate-distortion cost comprises the corresponding rate-distortion cost to encode the macroblock and the corresponding estimated rate-distortion cost to encode the one or more of the affected macroblocks.
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