BR112014017706A8 - sinalização de parâmetros de filtro de desbloqueio em codificação de vídeo - Google Patents

sinalização de parâmetros de filtro de desbloqueio em codificação de vídeo

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Publication number
BR112014017706A8
BR112014017706A8 BR112014017706A BR112014017706A BR112014017706A8 BR 112014017706 A8 BR112014017706 A8 BR 112014017706A8 BR 112014017706 A BR112014017706 A BR 112014017706A BR 112014017706 A BR112014017706 A BR 112014017706A BR 112014017706 A8 BR112014017706 A8 BR 112014017706A8
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Brazil
Prior art keywords
filter parameters
unlock filter
signaling
encoding
unlock
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BR112014017706A
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English (en)
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BR112014017706B1 (pt
Inventor
Van Der Auwera Geert
Karczewicz Marta
Wang Ye-Kui
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Qualcomm Inc
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Publication of BR112014017706A8 publication Critical patent/BR112014017706A8/pt
Publication of BR112014017706B1 publication Critical patent/BR112014017706B1/pt

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

sinalização de parâmetros de filtro de desbloqueio em codificação de vídeo. essa descrição descreve técnicas para sinalização de parâmetros de filtro de desbloqueio para uma fatia atual de dados de vídeo com overhead de sequência de bits reduzido. os parâmetros de filtro de desbloqueio podem ser codificados em um ou mais dentre um conjunto de parâmetros de camada de imagem e um cabeçalho de fatia. as técnicas reduzem um número de bits utilizado para sinalizar os parâmetros de filtro de desbloqueio pela codificação de um primeiro elemento de sintaxe que indica se os parâmetros de filtro de desbloqueio estão presentes em ambos o conjunto de parâmetros de camada de imagem e cabeçalho de fatia, e codificando apenas um segundo elemento de sintaxe no cabeçalho de fatia quando ambos os conjuntos de parâmetros de filtro de desbloqueio estão presentes. a codificação do segundo elemento de sintaxe é eliminado quando os parâmetros de filtro de desbloqueio estão presentes em apenas um dentre o conjunto de parâmetros de camada de imagem ou cabeçalho de fatia. o segundo elemento de sintaxe indica qual conjunto de parâmetros de filtro de desbloqueio para utilizar para definir um filtro de desbloqueio aplicado a uma fatia atual.
BR112014017706-6A 2012-01-19 2013-01-18 Sinalização de parâmetros de filtro de desbloqueio em codificação de vídeo BR112014017706B1 (pt)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201261588454P 2012-01-19 2012-01-19
US61/588,454 2012-01-19
US201261593015P 2012-01-31 2012-01-31
US61/593,015 2012-01-31
US201261620339P 2012-04-04 2012-04-04
US61/620,339 2012-04-04
US13/743,592 US9538200B2 (en) 2012-01-19 2013-01-17 Signaling of deblocking filter parameters in video coding
US13/743,592 2013-01-17
PCT/US2013/022230 WO2013109946A1 (en) 2012-01-19 2013-01-18 Signaling of deblocking filter parameters in video coding

Publications (2)

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BR112014017706A8 true BR112014017706A8 (pt) 2021-03-02
BR112014017706B1 BR112014017706B1 (pt) 2022-12-06

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US (3) US9538200B2 (pt)
EP (1) EP2805494B1 (pt)
JP (1) JP6151277B2 (pt)
KR (1) KR101788370B1 (pt)
CN (1) CN104054339B (pt)
AU (1) AU2013209556B2 (pt)
BR (1) BR112014017706B1 (pt)
CA (1) CA2863062C (pt)
DK (1) DK2805494T3 (pt)
ES (1) ES2602484T3 (pt)
HK (1) HK1198235A1 (pt)
HU (1) HUE030041T2 (pt)
IL (1) IL233359A (pt)
MY (1) MY168360A (pt)
PH (1) PH12014501529A1 (pt)
PT (1) PT2805494T (pt)
RU (1) RU2573743C1 (pt)
SG (1) SG11201403387QA (pt)
SI (1) SI2805494T1 (pt)
WO (1) WO2013109946A1 (pt)
ZA (1) ZA201406063B (pt)

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EP2805494B1 (en) 2016-08-10
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AU2013209556A1 (en) 2014-08-14
IL233359A0 (en) 2014-08-31
US20140369404A1 (en) 2014-12-18
AU2013209556B2 (en) 2016-07-28
EP2805494A1 (en) 2014-11-26
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CN104054339A (zh) 2014-09-17
JP2015508251A (ja) 2015-03-16
US9723331B2 (en) 2017-08-01
US9137547B2 (en) 2015-09-15
CA2863062A1 (en) 2013-07-25
US9538200B2 (en) 2017-01-03
PT2805494T (pt) 2016-11-15
ES2602484T3 (es) 2017-02-21
BR112014017706B1 (pt) 2022-12-06
RU2573743C1 (ru) 2016-01-27
ZA201406063B (en) 2016-05-25
PH12014501529B1 (en) 2014-10-08
US20170064339A1 (en) 2017-03-02
HK1198235A1 (en) 2015-03-13
PH12014501529A1 (en) 2014-10-08
KR101788370B1 (ko) 2017-10-19
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CA2863062C (en) 2018-03-13
MY168360A (en) 2018-10-31
IL233359A (en) 2017-12-31
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US20130188733A1 (en) 2013-07-25

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