WO2008129855A1 - 画像データ復号化装置、画像データ復号化方法 - Google Patents

画像データ復号化装置、画像データ復号化方法 Download PDF

Info

Publication number
WO2008129855A1
WO2008129855A1 PCT/JP2008/000858 JP2008000858W WO2008129855A1 WO 2008129855 A1 WO2008129855 A1 WO 2008129855A1 JP 2008000858 W JP2008000858 W JP 2008000858W WO 2008129855 A1 WO2008129855 A1 WO 2008129855A1
Authority
WO
WIPO (PCT)
Prior art keywords
image data
bit stream
data decoding
decoding device
decodes
Prior art date
Application number
PCT/JP2008/000858
Other languages
English (en)
French (fr)
Inventor
Motokazu Ozawa
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009510786A priority Critical patent/JPWO2008129855A1/ja
Priority to US12/595,328 priority patent/US20100150242A1/en
Publication of WO2008129855A1 publication Critical patent/WO2008129855A1/ja

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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/90—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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

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

Abstract

当該画像データ復号化装置に入力された画像データを取得して、取得した画像データを復号化する復号化部を備える画像データ復号化装置において、バンド幅を小さくする。 画像のビットストリームを復号化する復号化装置（１００）であって、当該復号化装置（１００）に入力されたビットストリームを、当該ビットストリームが符号化された第１の符号化規則よりも最大の符号長が短い第２の符号化規則で符号化されたビットストリームへ変換する符号変換部（１０１）と、符号変換部（１０１）により前記変換がされた後のビットストリームを取得して、取得したビットストリームを復号化する画像デコーダ（１０３）とを備える。
PCT/JP2008/000858 2007-04-11 2008-04-03 画像データ復号化装置、画像データ復号化方法 WO2008129855A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009510786A JPWO2008129855A1 (ja) 2007-04-11 2008-04-03 画像データ復号化装置、画像データ復号化方法
US12/595,328 US20100150242A1 (en) 2007-04-11 2008-04-03 Image data decoding device and image data decoding method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-103627 2007-04-11
JP2007103627 2007-04-11

Publications (1)

Publication Number Publication Date
WO2008129855A1 true WO2008129855A1 (ja) 2008-10-30

Family

ID=39875386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000858 WO2008129855A1 (ja) 2007-04-11 2008-04-03 画像データ復号化装置、画像データ復号化方法

Country Status (3)

Country Link
US (1) US20100150242A1 (ja)
JP (1) JPWO2008129855A1 (ja)
WO (1) WO2008129855A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011067883A1 (ja) * 2009-12-04 2011-06-09 株式会社日立国際電気 動画像符号化装置
JP2011193453A (ja) * 2010-02-22 2011-09-29 Panasonic Corp 復号化装置及び復号化方法
US20120147972A1 (en) * 2010-12-10 2012-06-14 Sony Corporation Image decoding apparatus, image decoding method, image encoding apparatus, image encoding method, and program

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8837577B2 (en) * 2010-07-15 2014-09-16 Sharp Laboratories Of America, Inc. Method of parallel video coding based upon prediction type
US8855188B2 (en) * 2010-07-15 2014-10-07 Sharp Laboratories Of America, Inc. Method of parallel video coding based on mapping
US9762899B2 (en) * 2011-10-04 2017-09-12 Texas Instruments Incorporated Virtual memory access bandwidth verification (VMBV) in video coding
US9774879B2 (en) 2013-08-16 2017-09-26 Sony Corporation Intra-block copying enhancements for HEVC in-range-extension (RExt)
US9930348B2 (en) * 2014-03-14 2018-03-27 Qualcomm Incorporated Coefficient level coding in a video coding process
US10142629B2 (en) * 2015-12-28 2018-11-27 Mediatek Inc. Method and apparatus for entropy coding in image compression
WO2019182385A1 (ko) * 2018-03-21 2019-09-26 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN117395420A (zh) 2019-08-15 2024-01-12 字节跳动有限公司 用于调色板逸出符号的熵编解码
WO2021055782A1 (en) * 2019-09-19 2021-03-25 Bytedance Inc. Quantization parameter derivation for palette mode
US11949909B2 (en) * 2020-12-29 2024-04-02 Qualcomm Incorporated Global motion estimation using road and ground object labels for geometry-based point cloud compression

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05103209A (ja) * 1991-10-04 1993-04-23 Toshiba Corp 圧縮符号化データの復号装置
JP2003047006A (ja) * 2001-08-01 2003-02-14 Matsushita Electric Ind Co Ltd 圧縮データ量削減方法
JP2005094693A (ja) * 2003-09-19 2005-04-07 Toshiba Corp 動画像データ処理装置および動画像データ処理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2500582B2 (ja) * 1993-03-17 1996-05-29 日本電気株式会社 動画像信号の多重化伝送方法とその装置
US7099387B2 (en) * 2002-03-22 2006-08-29 Realnetorks, Inc. Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses
JP4240283B2 (ja) * 2002-10-10 2009-03-18 ソニー株式会社 復号装置及び復号方法
EP1810521A1 (en) * 2004-11-09 2007-07-25 Matsushita Electric Industrial Co., Ltd. Two step arithmetic decoding with conversion into an intermediate format
JP4271134B2 (ja) * 2004-12-10 2009-06-03 株式会社東芝 可変長符号化デコーダおよびデコード方法
JP4540585B2 (ja) * 2005-10-20 2010-09-08 パナソニック株式会社 符号化装置及び復号化装置
JP2008042497A (ja) * 2006-08-04 2008-02-21 Seiko Epson Corp デコード装置、情報再生装置及び電子機器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05103209A (ja) * 1991-10-04 1993-04-23 Toshiba Corp 圧縮符号化データの復号装置
JP2003047006A (ja) * 2001-08-01 2003-02-14 Matsushita Electric Ind Co Ltd 圧縮データ量削減方法
JP2005094693A (ja) * 2003-09-19 2005-04-07 Toshiba Corp 動画像データ処理装置および動画像データ処理方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011067883A1 (ja) * 2009-12-04 2011-06-09 株式会社日立国際電気 動画像符号化装置
JP2011120047A (ja) * 2009-12-04 2011-06-16 Hitachi Kokusai Electric Inc 動画像符号化装置
US8780980B2 (en) 2009-12-04 2014-07-15 Hitachi Kokusai Electric Inc. Video image encoding device
JP2011193453A (ja) * 2010-02-22 2011-09-29 Panasonic Corp 復号化装置及び復号化方法
US20120147972A1 (en) * 2010-12-10 2012-06-14 Sony Corporation Image decoding apparatus, image decoding method, image encoding apparatus, image encoding method, and program

Also Published As

Publication number Publication date
JPWO2008129855A1 (ja) 2010-07-22
US20100150242A1 (en) 2010-06-17

Similar Documents

Publication Publication Date Title
WO2008129855A1 (ja) 画像データ復号化装置、画像データ復号化方法
WO2007066121A3 (en) Decoding data
TWI372563B (en) The moving image data encoding and decoding method, and terminal device implementing those methods as well as the bidirectional dialog type system
WO2008157269A3 (en) Adaptive coding of video block prediction mode
WO2010068020A3 (ko) 다시점 영상 부호화, 복호화 방법 및 그 장치
HK1105499A1 (zh) 編碼、解碼視頻的方法及編碼器、解碼器
WO2011049396A3 (en) Method and apparatus for encoding video and method and apparatus for decoding video, based on hierarchical structure of coding unit
EP1788817A4 (en) DECODER, ENCODER, DECODING METHOD AND CODING METHOD
AP2186A (en) Method and apparatus for lossless encoding and decoding.
MXPA03010827A (es) METODO DE CODIFICACIoN DE LONGITUD VARIABLE, METODO DE DECODIFICACION DE LONGITUD VARIABLE, MEDIO DE ALMACENAMIENTO, DISPOSITIVO DE CODIFICACIoN DE LONGITUD.
TW200737738A (en) Apparatus and method for encoding and decoding signal
EP1798724A4 (en) CODIER, DECODER, CODING METHOD AND DECODING METHOD
EP4246968A3 (en) Reducing latency in video encoding and decoding
WO2011140211A3 (en) Coding unit quantization parameters in video coding
WO2007126508A3 (en) Multi-view video coding method and device
WO2009059067A3 (en) Data sequence compression
EP1906676A4 (en) DEVICE FOR DYNAMIC IMAGE CODING, DEVICE FOR DYNAMIC IMAGE DECODING AND CODE CHARACTER FORMAT
EP1069774A4 (en) CODING AND DECODING DEVICES AND CORRESPONDING METHODS, ENCODING SYSTEM, AND CORRESPONDING METHOD
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
WO2011130186A3 (en) Fixed point implementation for geometric motion partitioning
WO2012093320A3 (en) Video coding and decoding devices and methods preserving ppg relevant information
WO2007138419A3 (en) Decoding of predictively coded data using buffer adaptation
EP1669981A4 (en) SAMPLING FREQUENCY CONVERSION APPARATUS, CODING AND DECODING APPARATUS AND METHOD THEREOF
WO2008112550A3 (en) Data compression using variable-to-fixed length codes
EP1668913A4 (en) SCALABLE CODING AND DECODING METHODS, AND SELF-CONTAINING ENCODER AND VIDEO DECODER

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08738470

Country of ref document: EP

Kind code of ref document: A1

DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
ENP Entry into the national phase

Ref document number: 2009510786

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 12595328

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08738470

Country of ref document: EP

Kind code of ref document: A1