MACROBLOCK SKIP MODE JUDGEMENT METHOD FOR ENCODER
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Nov 3, 2014
filing date -
Nov 3, 2014
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Abandoned
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Abstract
A macroblock skip mode judgement method for an encoder applies to implementation of H.264 encoder hardware compressing a plurality of successive frames and comprises steps: undertaking IME (Integer Motion Estimation) for two frames appearing at neighboring time points to calculate MV (Motion Vector), and calculating PMV (Predicted Motion Vector) of the frame appearing the preceding time point; if MV equals PMV, modifying the cost function of MV to be a negative value; undertaking block encoding and compare the costs; if the cost of the Inter mode is smaller than the cost of the Intra mode, setting the mb (macroblock) skip flag to be 1; using Entropy to compress the mb skip flag, and omitting compressing the macroblock represented by the mb skip flag.
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