WO2008132890A1 - 画像符号化と画像復号化の方法及び装置 - Google Patents

画像符号化と画像復号化の方法及び装置 Download PDF

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Publication number
WO2008132890A1
WO2008132890A1 PCT/JP2008/055012 JP2008055012W WO2008132890A1 WO 2008132890 A1 WO2008132890 A1 WO 2008132890A1 JP 2008055012 W JP2008055012 W JP 2008055012W WO 2008132890 A1 WO2008132890 A1 WO 2008132890A1
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Prior art keywords
conversion coefficient
generate
image signal
quantization matrix
image
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PCT/JP2008/055012
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English (en)
French (fr)
Inventor
Akiyuki Tanizawa
Takeshi Chujoh
Original Assignee
Kabushiki Kaisha Toshiba
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Application filed by Kabushiki Kaisha Toshiba filed Critical Kabushiki Kaisha Toshiba
Priority to US12/532,024 priority Critical patent/US20100086028A1/en
Priority to EP08722402A priority patent/EP2136566A4/en
Priority to CA002680140A priority patent/CA2680140A1/en
Priority to JP2009511709A priority patent/JPWO2008132890A1/ja
Priority to AU2008245277A priority patent/AU2008245277A1/en
Priority to BRPI0809255-9A2A priority patent/BRPI0809255A2/pt
Priority to MX2009009947A priority patent/MX2009009947A/es
Publication of WO2008132890A1 publication Critical patent/WO2008132890A1/ja

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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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • H04N19/60—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
    • H04N19/134—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

Abstract

　画像符号化装置は、入力画像信号に対し予測を行って予測画像信号を生成する予測器と、前記入力画像信号と前記予測画像信号との差をとって予測残差信号を生成する減算器と、前記予測残差信号を変換して変換係数を生成する変換器と、量子化マトリクスに対して変調を行い、変調量子化マトリクスを得る変調部と、前記変調量子化マトリクスを用いて前記変換係数を量子化して量子化変換係数を生成する量子化器、及び前記量子化変換係数と変調インデックスを符号化して符号化データを生成する符号化器を有する。 　
PCT/JP2008/055012 2007-04-16 2008-03-18 画像符号化と画像復号化の方法及び装置 WO2008132890A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US12/532,024 US20100086028A1 (en) 2007-04-16 2008-03-18 Video encoding and decoding method and apparatus
EP08722402A EP2136566A4 (en) 2007-04-16 2008-03-18 METHOD AND DEVICE FOR IMAGE ENCODING AND IMAGE DECODING
CA002680140A CA2680140A1 (en) 2007-04-16 2008-03-18 Image encoding and decoding method and apparatus
JP2009511709A JPWO2008132890A1 (ja) 2007-04-16 2008-03-18 画像符号化と画像復号化の方法及び装置
AU2008245277A AU2008245277A1 (en) 2007-04-16 2008-03-18 Image encoding and image decoding method and device
BRPI0809255-9A2A BRPI0809255A2 (pt) 2007-04-16 2008-03-18 Método e aparelho para a codificação e decodificação de vídeo
MX2009009947A MX2009009947A (es) 2007-04-16 2008-03-18 Metodo y dispositivo de codificacion de imagenes y de descodificacion de imagenes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-106899 2007-04-16
JP2007106899 2007-04-16

Publications (1)

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WO2008132890A1 true WO2008132890A1 (ja) 2008-11-06

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US (1) US20100086028A1 (ja)
EP (1) EP2136566A4 (ja)
JP (1) JPWO2008132890A1 (ja)
KR (1) KR20090115176A (ja)
CN (1) CN101622881A (ja)
AU (1) AU2008245277A1 (ja)
BR (1) BRPI0809255A2 (ja)
CA (1) CA2680140A1 (ja)
MX (1) MX2009009947A (ja)
RU (1) RU2009135396A (ja)
TW (1) TW200850013A (ja)
WO (1) WO2008132890A1 (ja)
ZA (1) ZA200906254B (ja)

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CN101622881A (zh) 2010-01-06
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