Processing

Please wait...

PATENTSCOPE will be unavailable a few hours for maintenance reason on Tuesday 25.01.2022 at 12:00 PM CET
Settings

Settings

Goto Application

1. IN1699/KOLNP/2014 - CODING CONCEPT ALLOWING PARALLEL PROCESSING TRANSPORT DEMULTIPLEXER AND VIDEO BITSTREAM

Office
India
Application Number 1699/KOLNP/2014
Application Date 14.08.2014
Publication Number 1699/KOLNP/2014
Publication Date 23.10.2015
Grant Number 341517
Grant Date 14.07.2020
Publication Kind B
IPC
H04N 7/26
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
24Systems for the transmission of television signals using pulse code modulation
26using bandwidth reduction
Applicants FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Inventors SCHIERL Thomas
GEORGE Valeri
GRÜNEBERG Karsten
KIRCHHOFFER Heiner
HENKEL Anastasia
MARPE Detlev
Priority Data 61/588849 20.01.2012 US
Title
(EN) CODING CONCEPT ALLOWING PARALLEL PROCESSING TRANSPORT DEMULTIPLEXER AND VIDEO BITSTREAM
Abstract
(EN) A raw byte sequence payload describing a picture in slices WPP substreams or tiles and coded using context adaptive binary arithmetic coding is subdivided or chopped into tranches with continuing the context adaptive binary arithmetic coding probability adaptation across tranche boundaries. 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 multithreaded decoder with the corresponding substreams or tiles.