BR112014024749A8 - desblocagem e deslocamento de parâmetro de quantização (qp) a nível de fatia croma - Google Patents

desblocagem e deslocamento de parâmetro de quantização (qp) a nível de fatia croma

Info

Publication number
BR112014024749A8
BR112014024749A8 BR112014024749A BR112014024749A BR112014024749A8 BR 112014024749 A8 BR112014024749 A8 BR 112014024749A8 BR 112014024749 A BR112014024749 A BR 112014024749A BR 112014024749 A BR112014024749 A BR 112014024749A BR 112014024749 A8 BR112014024749 A8 BR 112014024749A8
Authority
BR
Brazil
Prior art keywords
quantization parameter
unlocking
chrominance
shifting
video data
Prior art date
Application number
BR112014024749A
Other languages
English (en)
Other versions
BR112014024749B1 (pt
BR112014024749A2 (pt
Inventor
Van Der Auwera Geert
Karczewicz Marta
Wang Xianglin
Original Assignee
Qualcomm Inc
Velos Media Int Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc, Velos Media Int Ltd filed Critical Qualcomm Inc
Publication of BR112014024749A2 publication Critical patent/BR112014024749A2/pt
Publication of BR112014024749A8 publication Critical patent/BR112014024749A8/pt
Publication of BR112014024749B1 publication Critical patent/BR112014024749B1/pt

Links

Classifications

    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/134—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

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

Abstract

desblocagem e deslocamento de parâmetro de quantização (qp) a nível de fatia croma. em um exemplo, um aparelho para o processamento de dados de vídeo compreende um codificador de vídeo configurado para, para cada um dos um ou mais componentes de crominância, calcular um parâmetro de quantização de crominância para uma borda comum entre dois blocos de dados de vídeo baseados em um primeiro parâmetro de quantização de luminância para o primeiro bloco de dados de vídeo, um segundo parâmetro de quantização de luminância para o segundo bloco de dados de vídeo, e um valor de desvio de parâmetro de quantização de crominância para o componente de crominância. o codificador de vídeo é adicionalmente configurado para determinar uma resistência para um filtro de desbloqueio para a borda comum com base no parâmetro de quantização de crominância para o componente de crominância, e aplicar o filtro de desbloqueio de acordo com a resistência determinada para desbloquear a borda comum.
BR112014024749-8A 2012-04-03 2013-04-02 Método e aparelho para processar dados de vídeo e mídia de armazenamento não transitória legível por computador BR112014024749B1 (pt)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201261619806P 2012-04-03 2012-04-03
US61/619,806 2012-04-03
US201261668810P 2012-07-06 2012-07-06
US61/668,810 2012-07-06
US201261704941P 2012-09-24 2012-09-24
US61/704,941 2012-09-24
US201261708497P 2012-10-01 2012-10-01
US61/708,497 2012-10-01
US13/826,124 2013-03-14
US13/826,124 US9451258B2 (en) 2012-04-03 2013-03-14 Chroma slice-level QP offset and deblocking
PCT/US2013/034961 WO2013152007A1 (en) 2012-04-03 2013-04-02 Chroma slice-level qp offset and deblocking

Publications (3)

Publication Number Publication Date
BR112014024749A2 BR112014024749A2 (pt) 2017-06-20
BR112014024749A8 true BR112014024749A8 (pt) 2021-06-22
BR112014024749B1 BR112014024749B1 (pt) 2023-08-22

Family

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Also Published As

Publication number Publication date
RU2014144303A (ru) 2016-05-27
CN104205836A (zh) 2014-12-10
US20130259141A1 (en) 2013-10-03
US9451258B2 (en) 2016-09-20
CN104205836B (zh) 2018-01-02
WO2013152007A1 (en) 2013-10-10
MY168174A (en) 2018-10-11
IL234521A (en) 2017-03-30
EP2834979A1 (en) 2015-02-11
KR101726484B1 (ko) 2017-04-12
PH12014502045A1 (en) 2014-12-10
RU2636103C2 (ru) 2017-11-20
KR20150003246A (ko) 2015-01-08
AU2013243604B2 (en) 2017-10-12
JP6165840B2 (ja) 2017-07-19
CA2866781C (en) 2019-05-21
BR112014024749A2 (pt) 2017-06-20
AU2013243604A1 (en) 2014-10-02
PH12014502045B1 (en) 2014-12-10
CA2866781A1 (en) 2013-10-10
TW201404160A (zh) 2014-01-16
JP2015512600A (ja) 2015-04-27
HK1203117A1 (en) 2015-10-16
TWI479869B (zh) 2015-04-01
SG11201405476TA (en) 2014-11-27

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 7/00 (2011.01)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25A Requested transfer of rights approved

Owner name: VELOS MEDIA INTERNATIONAL LIMITED (IE)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04N 7/00

Ipc: H04N 19/117 (2014.01), H04N 19/14 (2014.01), H04N

B25A Requested transfer of rights approved

Owner name: QUALCOMM INCORPORATED (US)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/04/2013, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.