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1. MYPI 2014002130 - CODING CONCEPT ALLOWING PARALLEL PROCESSING, TRANSPORT DEMULTIPLEXER AND VIDEO BITSTREAM

Office
Malaysia
Application Number PI 2014002130
Application Date 21.01.2013
Publication Number PI 2014002130
Publication Date 20.07.2013
Publication Kind A
IPC
H
HELECTRICITY
Applicants GE VIDEO COMPRESSION, LLC
Inventors GR√úNEBERG, KARSTEN
HENKEL, ANASTASIA
GEORGE, VALERI
MARPE, DETLEV
SCHIERL, THOMAS
KIRCHHOFFER, HEINER
Agents PATRICK MIRANDAH
Priority Data 61/588,849 20.01.2012 US
Title
(EN) CODING CONCEPT ALLOWING PARALLEL PROCESSING, TRANSPORT DEMULTIPLEXER AND VIDEO BITSTREAM
Abstract
(EN) A RAW BYTE SEQUENCE PAYLOAD (40) DESCRIBING A PICTURE (12) IN SLICES (Si), WPP SUBSTREAMS (92) OR TILES AND CODED USING CONTEXT-ADAPTIVE BINARY ARITHMETIC CODING IS SUBDIVIDED OR CHOPPED INTO TRANCHES (98A, 98B) WITH CONTINUING THE CONTEXT-ADAPTIVE BINARY ARITHMETIC CODING PROBABILITY ADAPTATION ACROSS TRANCHE BOUNDARIES (100). BY THIS MEASURE, TRANCHE BOUNDARIES ADDITIONALLY INTRODUCED WITHIN SLICES, WPP SUBSTREAMS OR TILES DO NOT LEAD TO A REDUCTION IN THE ENTROPY CODING EFFICIENCY OF THESE ELEMENTS. ON THE OTHER HAND, HOWEVER, THE TRANCHES ARE SMALLER THAN THE ORIGINAL SLICES, WPP SUBSTREAMS OR TILES AND ACCORDINGLY THEY MAY BE TRANSMITTED EARLIER, I.E. WITH LOWER DELAY, THAN THE UN-CHOPPED ORIGINAL ENTITIES, I.E. SLICES, WPP SUBSTREAMS OR TILES. IN ACCORDANCE WITH ANOTHER ASPECT, WHICH IS COMBINABLE WITH THE FIRST ASPECT, SUBSTREAM MARKER NAL UNITS ARE USED WITHIN A SEQUENCE OF NAL UNITS OF A VIDEO BITSTREAM IN ORDER TO ENABLE A TRANSPORT DEMULTIPLEXER TO ASSIGN DATA OF SLICES WITHIN NAL UNITS TO THE CORRESPONDING SUBSTREAMS OR TILES SO AS TO BE ABLE TO, IN PARALLEL, SERVE A MULTI-THREADED DECODER WITH THE CORRESPONDING SUBSTREAMS OR TILES. FIG 16
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