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WO2009063554A1 - 符号化装置および復号装置 - Google Patents

符号化装置および復号装置 Download PDF

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Publication number
WO2009063554A1
WO2009063554A1 PCT/JP2007/072030 JP2007072030W WO2009063554A1 WO 2009063554 A1 WO2009063554 A1 WO 2009063554A1 JP 2007072030 W JP2007072030 W JP 2007072030W WO 2009063554 A1 WO2009063554 A1 WO 2009063554A1
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WO
WIPO (PCT)
Prior art keywords
encoding
boundary surfaces
small images
image
image encoder
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2007/072030
Other languages
English (en)
French (fr)
Inventor
Takafumi Kamito
Masaru Nishida
Wataru Kanemori
Tohru Tsuruta
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Fujitsu Ltd
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Fujitsu Ltd
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Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to PCT/JP2007/072030 priority Critical patent/WO2009063554A1/ja
Priority to EP07831760A priority patent/EP2211553A4/en
Priority to JP2009540996A priority patent/JPWO2009063554A1/ja
Publication of WO2009063554A1 publication Critical patent/WO2009063554A1/ja
Priority to US12/662,911 priority patent/US20100220792A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04N19/124—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/10—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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

　符号化復号システムは、画像符号化装置１００が、画像を符号化する場合に、符号化対象となる画像を複数の小画像に分割し、分割した小画像の境界面から離れる方向に小画像の符号化を実行する。また、画像符号化装置１００は、符号化処理を実行する場合に、小画像の境界付近の画素を符号化せず、非圧縮データのまま伝送する。また、画像符号化装置１００は、符号化処理を実行する場合に、境界面からの距離に応じて符号化に使用する量子化ステップを切り替えることで、境界面付近は細かい量子化ステップを利用してデータ量を所定値以上割り当てる。
PCT/JP2007/072030 2007-11-13 2007-11-13 符号化装置および復号装置 Ceased WO2009063554A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2007/072030 WO2009063554A1 (ja) 2007-11-13 2007-11-13 符号化装置および復号装置
EP07831760A EP2211553A4 (en) 2007-11-13 2007-11-13 CODIER AND DECODER
JP2009540996A JPWO2009063554A1 (ja) 2007-11-13 2007-11-13 符号化装置および復号装置
US12/662,911 US20100220792A1 (en) 2007-11-13 2010-05-11 Encoding device and decoding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/072030 WO2009063554A1 (ja) 2007-11-13 2007-11-13 符号化装置および復号装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/662,911 Continuation US20100220792A1 (en) 2007-11-13 2010-05-11 Encoding device and decoding device

Publications (1)

Publication Number Publication Date
WO2009063554A1 true WO2009063554A1 (ja) 2009-05-22

Family

ID=40638410

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Application Number Title Priority Date Filing Date
PCT/JP2007/072030 Ceased WO2009063554A1 (ja) 2007-11-13 2007-11-13 符号化装置および復号装置

Country Status (4)

Country Link
US (1) US20100220792A1 (ja)
EP (1) EP2211553A4 (ja)
JP (1) JPWO2009063554A1 (ja)
WO (1) WO2009063554A1 (ja)

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* Cited by examiner, † Cited by third party
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JP2012004898A (ja) * 2010-06-17 2012-01-05 Sharp Corp 記憶装置、符号化装置、符号化方法及びコンピュータプログラム
JP2014207498A (ja) * 2013-04-10 2014-10-30 富士通株式会社 符号化装置、復号化装置、符号化方法、復号化方法およびプログラム
JPWO2013065402A1 (ja) * 2011-10-31 2015-04-02 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
JP2016010603A (ja) * 2014-06-30 2016-01-21 株式会社東芝 医用画像処理装置およびｘ線ｃｔ装置
JP2016106483A (ja) * 2016-02-03 2016-06-16 ソニー株式会社 画像処理装置および方法、プログラム、並びに、記録媒体
WO2016143093A1 (ja) * 2015-03-11 2016-09-15 株式会社日立製作所 動画像符号化装置及びそれに用いるＩｎｔｒａ予測符号化方法、及び動画像復号化装置
US9591283B2 (en) 2012-03-17 2017-03-07 Fujitsu Limited Encoding appartus, decoding apparatus, encoding method, and decoding method
JP2017513311A (ja) * 2014-03-17 2017-05-25 クアルコム，インコーポレイテッド 残差差分パルス符号変調のための量子化プロセス
JP2018137540A (ja) * 2017-02-20 2018-08-30 キヤノン株式会社 画像処理装置及びその制御方法及びプログラム
US10187645B2 (en) 2010-04-09 2019-01-22 Sony Corporation Image processing device and method

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JP2012028858A (ja) * 2010-07-20 2012-02-09 Sony Corp 画像処理装置及び画像処理方法
US9743064B2 (en) * 2012-09-11 2017-08-22 The Directv Group, Inc. System and method for distributing high-quality 3D video in a 2D format
US20150049098A1 (en) * 2013-08-13 2015-02-19 Mediatek Inc. Data processing apparatus for transmitting/receiving compressed pixel data groups via multiple display ports of display interface and related data processing method
WO2015055093A1 (en) 2013-10-17 2015-04-23 Mediatek Inc. Data processing apparatus for transmitting/receiving compressed pixel data groups of picture and indication information of pixel data grouping setting and related data processing method
KR102637732B1 (ko) 2018-09-21 2024-02-19 삼성전자주식회사 이미지 신호 프로세서, 상기 이미지 신호 프로세서의 동작 방법 및 상기 이미지 신호 프로세서를 포함하는 애플리케이션 프로세서
US11675531B2 (en) 2020-06-17 2023-06-13 Samsung Electronics Co., Ltd. Storage device for high speed link startup and storage system including the same
DE102021117397A1 (de) * 2020-07-16 2022-01-20 Samsung Electronics Co., Ltd. Bildsensormodul, bildverarbeitungssystem und bildkomprimierverfahren
CN116684621B (zh) * 2022-01-19 2024-11-22 杭州海康威视数字技术股份有限公司 一种图像解码方法、编码方法及装置

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JP2002354267A (ja) * 2001-05-25 2002-12-06 Matsushita Electric Ind Co Ltd 画像符号化装置、画像符号化方法およびその記憶媒体
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JPH0256187A (ja) * 1988-08-22 1990-02-26 Matsushita Electric Ind Co Ltd 動画像符号化装置
JPH0410768A (ja) * 1990-02-19 1992-01-14 Canon Inc サブサンプリング復号装置
JPH05276506A (ja) * 1992-01-27 1993-10-22 Sony Corp 動画像符号化及び復号化装置
JP2002354267A (ja) * 2001-05-25 2002-12-06 Matsushita Electric Ind Co Ltd 画像符号化装置、画像符号化方法およびその記憶媒体
JP2004320445A (ja) * 2003-04-16 2004-11-11 Ses Japan Co Ltd デジタル画像データ送信装置、受信装置及びデジタル画像データ伝送信システム

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10187645B2 (en) 2010-04-09 2019-01-22 Sony Corporation Image processing device and method
JP2012004898A (ja) * 2010-06-17 2012-01-05 Sharp Corp 記憶装置、符号化装置、符号化方法及びコンピュータプログラム
JPWO2013065402A1 (ja) * 2011-10-31 2015-04-02 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
US9591283B2 (en) 2012-03-17 2017-03-07 Fujitsu Limited Encoding appartus, decoding apparatus, encoding method, and decoding method
JP2014207498A (ja) * 2013-04-10 2014-10-30 富士通株式会社 符号化装置、復号化装置、符号化方法、復号化方法およびプログラム
US9948940B2 (en) 2013-04-10 2018-04-17 Fujitisu Limited Encoding apparatus, decoding apparatus, encoding method, and decoding method
JP2017513311A (ja) * 2014-03-17 2017-05-25 クアルコム，インコーポレイテッド 残差差分パルス符号変調のための量子化プロセス
JP2016010603A (ja) * 2014-06-30 2016-01-21 株式会社東芝 医用画像処理装置およびｘ線ｃｔ装置
WO2016143093A1 (ja) * 2015-03-11 2016-09-15 株式会社日立製作所 動画像符号化装置及びそれに用いるＩｎｔｒａ予測符号化方法、及び動画像復号化装置
JP2016106483A (ja) * 2016-02-03 2016-06-16 ソニー株式会社 画像処理装置および方法、プログラム、並びに、記録媒体
JP2018137540A (ja) * 2017-02-20 2018-08-30 キヤノン株式会社 画像処理装置及びその制御方法及びプログラム

Also Published As

Publication number Publication date
EP2211553A4 (en) 2011-02-02
EP2211553A1 (en) 2010-07-28
US20100220792A1 (en) 2010-09-02
JPWO2009063554A1 (ja) 2011-03-31

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