BRPI0305554B8 - “dispositivo de gerenciamento de memória em um aparelho para a codificação ou a decodificação de imagens em movimento e método de gerenciamento de memória empregado por um aparelho para a codificação ou a decodificação de imagens em movimento” - Google Patents

“dispositivo de gerenciamento de memória em um aparelho para a codificação ou a decodificação de imagens em movimento e método de gerenciamento de memória empregado por um aparelho para a codificação ou a decodificação de imagens em movimento”

Info

Publication number
BRPI0305554B8
BRPI0305554B8 BRPI0305554A BRPI0305554A BRPI0305554B8 BR PI0305554 B8 BRPI0305554 B8 BR PI0305554B8 BR PI0305554 A BRPI0305554 A BR PI0305554A BR PI0305554 A BRPI0305554 A BR PI0305554A BR PI0305554 B8 BRPI0305554 B8 BR PI0305554B8
Authority
BR
Brazil
Prior art keywords
unit
encoding
memory management
memory
field
Prior art date
Application number
BRPI0305554A
Other languages
English (en)
Inventor
Schuur Bernhard
Schlockermann Martin
Kadono Shinya
Original Assignee
Godo Kaisha Ip Bridge 1
Matsushita Electric Ind Co Ltd
Panasonic Corp
Panasonic Ip Corp America
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 Godo Kaisha Ip Bridge 1, Matsushita Electric Ind Co Ltd, Panasonic Corp, Panasonic Ip Corp America filed Critical Godo Kaisha Ip Bridge 1
Publication of BR0305554A publication Critical patent/BR0305554A/pt
Publication of BRPI0305554B1 publication Critical patent/BRPI0305554B1/pt
Publication of BRPI0305554B8 publication Critical patent/BRPI0305554B8/pt

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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/127—Prioritisation of hardware or computational resources
    • 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
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
    • 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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

"aparelho de codificação de imagem em movimento e aparelho de decodificação de imagem em movimento". a presente invenção refere-se a um codificador de vídeo (70) para a codificação de imagens em movimento compreendendo um buffer (16c) com uma pluralidade de áreas de memória capaz de armazenar quadros compostos por campos de topo e campos de fundo, uma unidade de estimativa de movimento (19) operável para codificar, campo a campo, imagens introduzidas realizando uma estimativa de movimento e uma compensação de movimento por uma referência, campo a campo, aos dados de imagem armazenados em uma área de memória, uma unidade de compensação de movimento (16d), um subtraidor (11), uma unidade de transformação (13) e uma unidade de quantificação (14), uma unidade de gerenciamento de memória (71) operável para gerenciar, quadro a quadro, uma pluralidade de áreas de memória, uma unidade de quantificação inversa (16a) e uma unidade de transformação de cosseno discreta inversa (16b) operável para decodificar dados de imagem em campos codificados e armazenar os dados de imagem no campo decodificado em qualquer uma da pluralidade de áreas de memória sob o gerenciamento pela unidade de gerenciamento de memória (71).
BRPI0305554A 2002-07-15 2003-07-15 “dispositivo de gerenciamento de memória em um aparelho para a codificação ou a decodificação de imagens em movimento e método de gerenciamento de memória empregado por um aparelho para a codificação ou a decodificação de imagens em movimento” BRPI0305554B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02015606.3 2002-07-15
EP02015606A EP1383339A1 (en) 2002-07-15 2002-07-15 Memory management method for video sequence motion estimation and compensation
PCT/JP2003/008954 WO2004008776A1 (ja) 2002-07-15 2003-07-15 動画像符号化装置及び動画像復号化装置

Publications (3)

Publication Number Publication Date
BR0305554A BR0305554A (pt) 2004-09-28
BRPI0305554B1 BRPI0305554B1 (pt) 2018-04-03
BRPI0305554B8 true BRPI0305554B8 (pt) 2021-06-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0305554A BRPI0305554B8 (pt) 2002-07-15 2003-07-15 “dispositivo de gerenciamento de memória em um aparelho para a codificação ou a decodificação de imagens em movimento e método de gerenciamento de memória empregado por um aparelho para a codificação ou a decodificação de imagens em movimento”

Country Status (10)

Country Link
US (14) US7760803B2 (pt)
EP (4) EP1383339A1 (pt)
JP (7) JP4440572B2 (pt)
CN (1) CN1307839C (pt)
AU (1) AU2003281135B2 (pt)
BR (1) BRPI0305554B8 (pt)
CA (1) CA2460473C (pt)
ES (1) ES2536543T3 (pt)
MX (1) MXPA04002302A (pt)
WO (1) WO2004008776A1 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1383339A1 (en) * 2002-07-15 2004-01-21 Matsushita Electric Industrial Co., Ltd. Memory management method for video sequence motion estimation and compensation
AU2003241696A1 (en) * 2002-07-26 2004-02-16 Matsushita Electric Industrial Co., Ltd. Moving picture encoding method, moving picture decoding method, and recording medium
US20040252197A1 (en) * 2003-05-05 2004-12-16 News Iq Inc. Mobile device management system
US7715479B2 (en) * 2003-07-21 2010-05-11 International Business Machines Corporation Power-aware on-chip memory management for video coding algorithms
EP1665804A1 (en) * 2003-09-17 2006-06-07 Thomson Licensing S.A. Adaptive reference picture generation
US20050207490A1 (en) * 2004-03-18 2005-09-22 Wang Jason N Stored picture index for AVC coding
CN100568975C (zh) * 2005-04-15 2009-12-09 索尼株式会社 解码装置、解码方法
US8069466B2 (en) 2005-08-04 2011-11-29 Nds Limited Advanced digital TV system
JP4762095B2 (ja) * 2006-09-20 2011-08-31 株式会社東芝 画像復号装置及び画像復号方法
US7777751B2 (en) * 2006-11-27 2010-08-17 Lsi Corporation Tiled memory array for full search motion estimation
US8363721B2 (en) * 2009-03-26 2013-01-29 Cisco Technology, Inc. Reference picture prediction for video coding
ES2967302T3 (es) * 2011-01-14 2024-04-29 Sun Patent Trust Aparato de codificación y decodificación de imágenes
US9591328B2 (en) 2012-01-20 2017-03-07 Sun Patent Trust Methods and apparatuses for encoding and decoding video using temporal motion vector prediction
CN103563373B (zh) 2012-02-03 2017-09-26 太阳专利托管公司 图像编码方法及图像编码装置
WO2013132792A1 (ja) 2012-03-06 2013-09-12 パナソニック株式会社 動画像符号化方法、動画像復号方法、動画像符号化装置、動画像復号装置、及び動画像符号化復号装置
WO2013153822A1 (en) * 2012-04-13 2013-10-17 Sharp Kabushiki Kaisha Devices for sending and receiving a long-term reference picture indicator
US20150288970A1 (en) * 2012-09-28 2015-10-08 Samsung Electronics Co., Ltd. Video encoding method and apparatus for parallel processing using reference picture information, and video decoding method and apparatus for parallel processing using reference picture information
JP5845202B2 (ja) * 2013-03-22 2016-01-20 株式会社東芝 画像圧縮装置および画像処理システム
EP2854405A1 (en) * 2013-09-26 2015-04-01 Thomson Licensing Method and apparatus for encoding and decoding a motion vector representation in interlaced video using progressive video coding tools
JP6405664B2 (ja) * 2014-03-28 2018-10-17 日本電気株式会社 映像符号化装置、映像符号化方法、及びプログラム
JP6453652B2 (ja) * 2015-01-09 2019-01-16 株式会社東芝 映像伝送システム
CN106937168B (zh) * 2015-12-30 2020-05-12 掌赢信息科技（上海）有限公司 一种利用长期参考帧的视频编码方法、电子设备及系统
WO2019069301A1 (en) * 2017-10-03 2019-04-11 Amimon Ltd. VIDEO COMPRESSION SYSTEM
US11044477B2 (en) * 2019-12-16 2021-06-22 Intel Corporation Motion adaptive encoding of video
CN116800976B (zh) * 2023-07-17 2024-03-12 武汉星巡智能科技有限公司 伴睡婴幼儿时音视频压缩和还原方法、装置及设备

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719568A (en) * 1982-12-30 1988-01-12 International Business Machines Corporation Hierarchical memory system including separate cache memories for storing data and instructions
US5317717A (en) * 1987-07-01 1994-05-31 Digital Equipment Corp. Apparatus and method for main memory unit protection using access and fault logic signals
KR950011200B1 (ko) * 1990-10-31 1995-09-29 니뽕 빅터 가부시끼가이샤 인터레이스 동화상 신호의 압축 장치
US5317397A (en) * 1991-05-31 1994-05-31 Kabushiki Kaisha Toshiba Predictive coding using spatial-temporal filtering and plural motion vectors
JPH05268594A (ja) * 1992-03-18 1993-10-15 Sony Corp 動画像の動き検出装置
JPH05292393A (ja) * 1992-04-14 1993-11-05 Fujitsu Ltd 動画編集処理方式
US5489943A (en) * 1994-02-14 1996-02-06 Sony Corporation One-pass adaptive bit rate control
US5576765A (en) 1994-03-17 1996-11-19 International Business Machines, Corporation Video decoder
IT1269513B (it) * 1994-05-18 1997-04-01 Ausimont Spa Elastomeri termoplastici fluorurati dotati di migliorate proprieta' meccaniche ed elastiche,e relativo processo di preparazione
JPH0837662A (ja) * 1994-07-22 1996-02-06 Hitachi Ltd 画像符号化復号化装置
US6301299B1 (en) * 1994-10-28 2001-10-09 Matsushita Electric Industrial Co., Ltd. Memory controller for an ATSC video decoder
EP0710033A3 (en) * 1994-10-28 1999-06-09 Matsushita Electric Industrial Co., Ltd. MPEG video decoder having a high bandwidth memory
JP3307822B2 (ja) * 1995-03-01 2002-07-24 松下電器産業株式会社 画像処理装置
US6064803A (en) 1995-03-01 2000-05-16 Matsushita Electric Industrial Co., Ltd. Image information decoder with a reduced capacity frame memory
JPH08272977A (ja) * 1995-03-30 1996-10-18 Fujitsu Ltd 予測符号化方式復号化装置
JP3803122B2 (ja) 1995-05-02 2006-08-02 松下電器産業株式会社 画像メモリ装置および動きベクトル検出回路
JP3347954B2 (ja) * 1995-11-02 2002-11-20 三菱電機株式会社 動画像符号化装置及び動画像復号化装置
US5798788A (en) * 1996-02-01 1998-08-25 David Sarnoff Research Center, Inc. Method and apparatus for evaluating field display functionality of a video decoder
JP2942497B2 (ja) 1996-03-22 1999-08-30 ローム株式会社 画像データ復号表示方法および装置
KR100215824B1 (ko) * 1996-04-09 1999-08-16 구자홍 엠펙 디코더의 프레임 메모리 및 영상 데이타 디코딩방법
US6088391A (en) * 1996-05-28 2000-07-11 Lsi Logic Corporation Method and apparatus for segmenting memory to reduce the memory required for bidirectionally predictive-coded frames
US5835636A (en) * 1996-05-28 1998-11-10 Lsi Logic Corporation Method and apparatus for reducing the memory required for decoding bidirectionally predictive-coded frames during pull-down
EP0825781B1 (en) 1996-08-22 2004-10-27 Matsushita Electric Industrial Co., Ltd. Image processor
JP3307856B2 (ja) 1996-08-22 2002-07-24 松下電器産業株式会社 画像処理装置
JP2973964B2 (ja) * 1997-01-24 1999-11-08 日本電気株式会社 フレーム・バッファ管理方式
JPH114443A (ja) 1997-06-11 1999-01-06 Matsushita Electric Ind Co Ltd 情報処理装置
US6072548A (en) 1997-07-28 2000-06-06 Lsi Logic Corporation Video decoder dynamic memory allocation system and method allowing variable decoded image size
JPH1155591A (ja) * 1997-08-04 1999-02-26 Furukawa Electric Co Ltd:The 画像処理装置およびその方法
US6249318B1 (en) * 1997-09-12 2001-06-19 8×8, Inc. Video coding/decoding arrangement and method therefor
JPH11120690A (ja) 1997-10-14 1999-04-30 Matsushita Electric Ind Co Ltd ディスク装置及びバッファ管理方法
JPH11127438A (ja) * 1997-10-21 1999-05-11 Toshiba Corp 動画復号化装置用メモリ管理方法及びその装置
JPH11136680A (ja) * 1997-10-29 1999-05-21 Matsushita Electric Ind Co Ltd 画像符号化方法及び装置
EP0921497B1 (en) * 1997-12-02 2004-03-24 Daewoo Electronics Corporation Interlaced binary shape coding apparatus
JP4026238B2 (ja) 1998-07-23 2007-12-26 ソニー株式会社 画像復号装置及び画像復号方法
JP2000209597A (ja) * 1999-01-19 2000-07-28 Matsushita Electric Ind Co Ltd 画像デ―タ符号化装置および方法
US6658056B1 (en) * 1999-03-30 2003-12-02 Sony Corporation Digital video decoding, buffering and frame-rate converting method and apparatus
JP3701825B2 (ja) 1999-11-01 2005-10-05 日本電信電話株式会社 動画像符号化方法、動画像符号化装置、動画像復号方法、動画像復号装置、および動画像符号化、復号プログラムを記憶した記憶媒体
GB2381403B (en) 2000-05-10 2004-12-01 Picturetel Corp Video coding using multiple buffers
US20040008775A1 (en) * 2002-07-12 2004-01-15 Krit Panusopone Method of managing reference frame and field buffers in adaptive frame/field encoding
EP1383339A1 (en) 2002-07-15 2004-01-21 Matsushita Electric Industrial Co., Ltd. Memory management method for video sequence motion estimation and compensation

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CA2460473A1 (en) 2004-01-22
US8139637B2 (en) 2012-03-20
JP4440572B2 (ja) 2010-03-24
BRPI0305554B1 (pt) 2018-04-03
JP2014143726A (ja) 2014-08-07
AU2003281135A1 (en) 2004-02-02
JP5530541B2 (ja) 2014-06-25
US7760803B2 (en) 2010-07-20
ES2536543T3 (es) 2015-05-26
JP2004040816A (ja) 2004-02-05
EP1443772A1 (en) 2004-08-04
US20150172686A1 (en) 2015-06-18
US20150172700A1 (en) 2015-06-18
JP2014143727A (ja) 2014-08-07
US8989264B2 (en) 2015-03-24
AU2003281135B2 (en) 2007-09-20
US9936210B2 (en) 2018-04-03
US20180192065A1 (en) 2018-07-05
CN1557098A (zh) 2004-12-22
JP5261592B2 (ja) 2013-08-14
US9398305B2 (en) 2016-07-19
EP1443772B1 (en) 2015-03-04
EP1383339A1 (en) 2004-01-21
US20120147964A1 (en) 2012-06-14
US20150172684A1 (en) 2015-06-18
EP1443772A4 (en) 2010-04-07
BR0305554A (pt) 2004-09-28
US9402081B2 (en) 2016-07-26
JP2012182835A (ja) 2012-09-20
US10230971B2 (en) 2019-03-12
US9001891B2 (en) 2015-04-07
JP2014143725A (ja) 2014-08-07
US7742523B2 (en) 2010-06-22
US20150172685A1 (en) 2015-06-18
US20120144143A1 (en) 2012-06-07
JP2013110770A (ja) 2013-06-06
US9473781B2 (en) 2016-10-18
US20160309175A1 (en) 2016-10-20
JP5687787B2 (ja) 2015-03-18
JP5205343B2 (ja) 2013-06-05
MXPA04002302A (es) 2005-04-08
CA2460473C (en) 2012-08-28
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US9906806B2 (en) 2018-02-27
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US20100215093A1 (en) 2010-08-26
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US20160309174A1 (en) 2016-10-20
US20080062187A1 (en) 2008-03-13
US20150172725A1 (en) 2015-06-18
US20160198170A1 (en) 2016-07-07
WO2004008776A1 (ja) 2004-01-22
JP2009296605A (ja) 2009-12-17
CN1307839C (zh) 2007-03-28
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