WO2004070651A3 - Procede et dispositif de compression de parties d'images - Google Patents

Procede et dispositif de compression de parties d'images Download PDF

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Publication number
WO2004070651A3
WO2004070651A3 PCT/FR2004/000187 FR2004000187W WO2004070651A3 WO 2004070651 A3 WO2004070651 A3 WO 2004070651A3 FR 2004000187 W FR2004000187 W FR 2004000187W WO 2004070651 A3 WO2004070651 A3 WO 2004070651A3
Authority
WO
WIPO (PCT)
Prior art keywords
block
stage
images
criteria
resemblance
Prior art date
Application number
PCT/FR2004/000187
Other languages
English (en)
Other versions
WO2004070651A2 (fr
Inventor
Alexandre Delattre
Jerome Larrieu
Original Assignee
Actimagine S A R L
Alexandre Delattre
Jerome Larrieu
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 Actimagine S A R L, Alexandre Delattre, Jerome Larrieu filed Critical Actimagine S A R L
Priority to JP2006500157A priority Critical patent/JP2007527126A/ja
Publication of WO2004070651A2 publication Critical patent/WO2004070651A2/fr
Publication of WO2004070651A3 publication Critical patent/WO2004070651A3/fr

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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
    • H04N19/50—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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/90—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

Landscapes

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

Abstract

Le procédé de compression d'un bloc (310) de taille L x H d'une séquence d'images comporte, de manière itérative, pour ledit bloc - une étape de recherche (240), dans l'une des images de la séquence d'images, de la zone de L x H pixels la plus similaire audit bloc ; - une étape de détermination (245) si la ressemblance entre ladite zone et ledit bloc répond à des critères prédéterminés ; - si ladite ressemblance répond auxdits critères, une étape de stockage (255) du vecteur de déplacement qui indique la distance entre le bloc et la zone la plus similaire trouvée ; - si ladite ressemblance ne répond pas auxdits critères, et si le bloc n'a pas une taille minimale prédéterminée, une étape de découpage (280, 281) dudit bloc en sous blocs (320, 330, 340, 350) et une itération supplémentaire, pour chacun desdits sous blocs et - si ladite ressemblance ne répond pas auxdits critères, et si le bloc a une taille minimale prédéterminée, une étape de stockage (266) du bloc au cours de laquelle on compresse le bloc sans référence à une image de référence.
PCT/FR2004/000187 2003-02-03 2004-01-28 Procede et dispositif de compression de parties d'images WO2004070651A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006500157A JP2007527126A (ja) 2003-02-03 2004-01-28 画像部分の圧縮方法および装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR03/01226 2003-02-03
FR0301226A FR2850827B1 (fr) 2003-02-03 2003-02-03 Procede et dispositif de compression de parties d'images

Publications (2)

Publication Number Publication Date
WO2004070651A2 WO2004070651A2 (fr) 2004-08-19
WO2004070651A3 true WO2004070651A3 (fr) 2006-08-10

Family

ID=32696316

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2004/000187 WO2004070651A2 (fr) 2003-02-03 2004-01-28 Procede et dispositif de compression de parties d'images

Country Status (5)

Country Link
US (1) US20040156552A1 (fr)
JP (1) JP2007527126A (fr)
CN (1) CN1965582A (fr)
FR (1) FR2850827B1 (fr)
WO (1) WO2004070651A2 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8131095B2 (en) * 2003-02-03 2012-03-06 Actimagine Process and device for the compression of portions of images
GB2431795A (en) * 2005-10-31 2007-05-02 Sony Uk Ltd Motion vector selection based on integrity
JP4853199B2 (ja) * 2006-09-25 2012-01-11 株式会社ニコン 画像圧縮方法、装置、電子カメラ、およびプログラム
FR2907989B1 (fr) * 2006-10-27 2009-01-16 Actimagine Sarl Procede et dispositif d'optimisation de la compression d'un flux video
JP2008219224A (ja) * 2007-03-01 2008-09-18 Actimagine Kk 携帯端末用動画像転送システム
KR101403338B1 (ko) * 2007-03-23 2014-06-09 삼성전자주식회사 영상의 부호화, 복호화 방법 및 장치
KR101503829B1 (ko) * 2007-09-07 2015-03-18 삼성전자주식회사 데이터 압축 장치 및 방법
CN102186025B (zh) * 2011-03-09 2012-10-03 天津大学 基于压缩感知的cmos成像测量值获取系统及其方法
PL2773111T3 (pl) 2011-10-28 2020-06-29 Sun Patent Trust Sposób kodowania obrazów, sposób dekodowania obrazów, urządzenie do kodowania obrazów i urządzenie do dekodowania obrazów
CN107948656B (zh) 2011-10-28 2021-06-01 太阳专利托管公司 图像解码方法及图像解码装置
CN111966282A (zh) * 2020-07-03 2020-11-20 西安万像电子科技有限公司 数据存储访问控制方法及系统
CN113613022B (zh) * 2021-06-18 2023-11-14 山东云海国创云计算装备产业创新中心有限公司 一种jpeg图像的压缩方法、装置、设备及可读介质
CN117119119A (zh) * 2023-08-24 2023-11-24 深圳市丕微科技企业有限公司 一种图像数据的压缩传输方法、装置以及系统

Citations (2)

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US6097832A (en) * 1991-11-27 2000-08-01 Thomson Consumer Electronics Method of estimation and of hierarchised coding of the motion of image sequences
US6130912A (en) * 1998-06-09 2000-10-10 Sony Electronics, Inc. Hierarchical motion estimation process and system using block-matching and integral projection

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US5241395A (en) * 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
KR960013055A (ko) * 1994-09-27 1996-04-20 김광호 조건부 퀴드트리 분할방식의 화상압축방법 및 장치
US5682204A (en) * 1995-12-26 1997-10-28 C Cube Microsystems, Inc. Video encoder which uses intra-coding when an activity level of a current macro-block is smaller than a threshold level
US6072830A (en) * 1996-08-09 2000-06-06 U.S. Robotics Access Corp. Method for generating a compressed video signal
US6584226B1 (en) * 1997-03-14 2003-06-24 Microsoft Corporation Method and apparatus for implementing motion estimation in video compression
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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US6097832A (en) * 1991-11-27 2000-08-01 Thomson Consumer Electronics Method of estimation and of hierarchised coding of the motion of image sequences
US6130912A (en) * 1998-06-09 2000-10-10 Sony Electronics, Inc. Hierarchical motion estimation process and system using block-matching and integral projection

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Also Published As

Publication number Publication date
FR2850827A1 (fr) 2004-08-06
FR2850827B1 (fr) 2005-11-04
CN1965582A (zh) 2007-05-16
WO2004070651A2 (fr) 2004-08-19
JP2007527126A (ja) 2007-09-20
US20040156552A1 (en) 2004-08-12

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