FRAME-LEVEL DEPENDENT BIT ALLOCATION IN HYBRID VIDEO ENCODING
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jan 30, 2013
filing date -
Jul 27, 2012
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Abandoned
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Abstract
Frame-level dependent bit allocation for hybrid video coding is presented to address issues relating to computational complexity of multi-pass coding of video data. An interframe dependency (IFDM) approach is presented which enables a quantitative measure of the coding dependency between the current frame and its reference frame. Based on the IFDM, buffer-constrained frame-level dependent bit allocation is determined (IFDM-DBA). Successive convex approximation techniques are utilized to convert an original optimization into a series of convex optimization problems.
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