PT2725798T - Método e aparelho para codificar e descodificar adaptativamente um parâmetro de quantificação com base numa estrutura em árvore quaternária - Google Patents

Método e aparelho para codificar e descodificar adaptativamente um parâmetro de quantificação com base numa estrutura em árvore quaternária

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Publication number
PT2725798T
PT2725798T PT128032075T PT12803207T PT2725798T PT 2725798 T PT2725798 T PT 2725798T PT 128032075 T PT128032075 T PT 128032075T PT 12803207 T PT12803207 T PT 12803207T PT 2725798 T PT2725798 T PT 2725798T
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PT
Portugal
Prior art keywords
decoding
quantization parameter
parameter based
quadtree structure
adaptively encoding
Prior art date
Application number
PT128032075T
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English (en)
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Dolby Laboratories Licensing Corp
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Publication date
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Publication of PT2725798T publication Critical patent/PT2725798T/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
    • H04N19/70—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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
PT128032075T 2011-06-21 2012-06-20 Método e aparelho para codificar e descodificar adaptativamente um parâmetro de quantificação com base numa estrutura em árvore quaternária PT2725798T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20110060058A KR101442127B1 (ko) 2011-06-21 2011-06-21 쿼드트리 구조 기반의 적응적 양자화 파라미터 부호화 및 복호화 방법 및 장치

Publications (1)

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PT2725798T true PT2725798T (pt) 2022-10-13

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PT128032075T PT2725798T (pt) 2011-06-21 2012-06-20 Método e aparelho para codificar e descodificar adaptativamente um parâmetro de quantificação com base numa estrutura em árvore quaternária

Country Status (11)

Country Link
US (5) US8964834B2 (pt)
EP (2) EP4117287A1 (pt)
JP (8) JP6185461B2 (pt)
KR (1) KR101442127B1 (pt)
CN (5) CN107197311B (pt)
DK (1) DK2725798T3 (pt)
ES (1) ES2927930T3 (pt)
HK (4) HK1244608A1 (pt)
PL (1) PL2725798T3 (pt)
PT (1) PT2725798T (pt)
WO (1) WO2012177051A2 (pt)

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Also Published As

Publication number Publication date
HK1244608A1 (zh) 2018-08-10
JP2016165138A (ja) 2016-09-08
US20150117522A1 (en) 2015-04-30
JP6388690B2 (ja) 2018-09-12
JP7344343B2 (ja) 2023-09-13
DK2725798T3 (da) 2022-10-03
EP2725798A2 (en) 2014-04-30
US8964834B2 (en) 2015-02-24
CN103650503A (zh) 2014-03-19
US9066098B2 (en) 2015-06-23
HK1244610A1 (zh) 2018-08-10
CN107197311A (zh) 2017-09-22
USRE46678E1 (en) 2018-01-16
US20140161177A1 (en) 2014-06-12
CN107257487B (zh) 2020-04-21
CN107257488B (zh) 2020-04-17
JP2014520475A (ja) 2014-08-21
JP6185461B2 (ja) 2017-08-23
JP6900521B2 (ja) 2021-07-07
JP2023162390A (ja) 2023-11-08
WO2012177051A2 (ko) 2012-12-27
JP6167202B2 (ja) 2017-07-19
EP4117287A1 (en) 2023-01-11
EP2725798A4 (en) 2014-12-31
CN107197311B (zh) 2020-02-07
CN107197268A (zh) 2017-09-22
HK1244607A1 (zh) 2018-08-10
USRE47465E1 (en) 2019-06-25
JP2017201807A (ja) 2017-11-09
CN107257488A (zh) 2017-10-17
JP2020065290A (ja) 2020-04-23
CN107197268B (zh) 2020-02-07
JP2018196147A (ja) 2018-12-06
EP2725798B1 (en) 2022-09-14
CN107257487A (zh) 2017-10-17
JP2022120012A (ja) 2022-08-17
KR101442127B1 (ko) 2014-09-25
HK1244609A1 (zh) 2018-08-10
WO2012177051A3 (ko) 2013-02-28
JP6648219B2 (ja) 2020-02-14
CN103650503B (zh) 2017-06-13
PL2725798T3 (pl) 2022-11-21
USRE49330E1 (en) 2022-12-06
JP7087169B2 (ja) 2022-06-20
KR20120140365A (ko) 2012-12-31
ES2927930T3 (es) 2022-11-11
JP2022032027A (ja) 2022-02-24

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