ES2323334T3 - Aparato y procedimiento de codificacion por multiples descripciones. - Google Patents

Aparato y procedimiento de codificacion por multiples descripciones. Download PDF

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Publication number
ES2323334T3
ES2323334T3 ES08075216T ES08075216T ES2323334T3 ES 2323334 T3 ES2323334 T3 ES 2323334T3 ES 08075216 T ES08075216 T ES 08075216T ES 08075216 T ES08075216 T ES 08075216T ES 2323334 T3 ES2323334 T3 ES 2323334T3
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ES
Spain
Prior art keywords
multiple descriptions
appliance
coding procedure
generated
transform coefficients
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.)
Expired - Lifetime
Application number
ES08075216T
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English (en)
Inventor
Ann C Irvine
Vijayalakshmi R Raveendran
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Qualcomm Inc
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Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
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Publication of ES2323334T3 publication Critical patent/ES2323334T3/es
Anticipated expiration legal-status Critical
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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length 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
    • H04N19/10—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/169—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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/39—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Communication Control (AREA)

Abstract

Aparato para generar múltiples descripciones de datos comprimidos, que comprende: un módulo de transformada configurado para generar coeficientes de transformada a partir de datos de entrada; un módulo de cuantización acoplado con el módulo de transformada, estando el módulo de cuantización configurado para cuantizar los coeficientes de la transformada, utilizando una etapa de cuantización de referencia, y para recuantizar los coeficientes cuantizados de la transformada, utilizando distintas etapas de cuantización para generar múltiples descripciones de datos comprimidos, en el cual cada una de las distintas etapas de cuantización se determina basándose en un ajuste a escala necesario de la etapa de cuantización de referencia.
ES08075216T 2002-11-15 2003-11-17 Aparato y procedimiento de codificacion por multiples descripciones. Expired - Lifetime ES2323334T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42688702P 2002-11-15 2002-11-15

Publications (1)

Publication Number Publication Date
ES2323334T3 true ES2323334T3 (es) 2009-07-13

Family

ID=32326448

Family Applications (3)

Application Number Title Priority Date Filing Date
ES08075216T Expired - Lifetime ES2323334T3 (es) 2002-11-15 2003-11-17 Aparato y procedimiento de codificacion por multiples descripciones.
ES03783644T Expired - Lifetime ES2309379T3 (es) 2002-11-15 2003-11-17 Aparato y procedimiento para codificacion por multiples descripciones.
ES03783645T Expired - Lifetime ES2371871T3 (es) 2002-11-15 2003-11-17 Aparato y procedimiento para la codificación por múltiples descripciones.

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ES03783644T Expired - Lifetime ES2309379T3 (es) 2002-11-15 2003-11-17 Aparato y procedimiento para codificacion por multiples descripciones.
ES03783645T Expired - Lifetime ES2371871T3 (es) 2002-11-15 2003-11-17 Aparato y procedimiento para la codificación por múltiples descripciones.

Country Status (12)

Country Link
US (3) US7061404B2 (es)
EP (2) EP1579577B1 (es)
JP (3) JP5021167B2 (es)
KR (2) KR101066051B1 (es)
CN (2) CN100553151C (es)
AT (3) ATE402523T1 (es)
AU (2) AU2003291057B2 (es)
CA (1) CA2506102C (es)
DE (2) DE60327273D1 (es)
ES (3) ES2323334T3 (es)
IL (1) IL168511A (es)
WO (2) WO2004047425A2 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5021167B2 (ja) * 2002-11-15 2012-09-05 クゥアルコム・インコーポレイテッド 複数記述符号化のための装置及び方法
US7995849B2 (en) * 2003-03-17 2011-08-09 Qualcomm, Incorporated Method and apparatus for improving video quality of low bit-rate video
EP1638337A1 (en) 2004-09-16 2006-03-22 STMicroelectronics S.r.l. Method and system for multiple description coding and computer program product therefor
ITTO20040780A1 (it) 2004-11-09 2005-02-09 St Microelectronics Srl Procedimento e sistema per il trattamento di segnali a descrizioni multiple, relativo prodotto informatico
US7241678B2 (en) * 2005-01-06 2007-07-10 United Microelectronics Corp. Integrated die bumping process
FI20050113A (fi) * 2005-02-01 2006-08-02 Paavo Eskelinen Menetelmä kuvainformaation käsittelemiseksi
US8139642B2 (en) 2005-08-29 2012-03-20 Stmicroelectronics S.R.L. Method for encoding signals, related systems and program product therefor
US7536299B2 (en) * 2005-12-19 2009-05-19 Dolby Laboratories Licensing Corporation Correlating and decorrelating transforms for multiple description coding systems
US20070258012A1 (en) * 2006-05-04 2007-11-08 Syntax Brillian Corp. Method for scaling and cropping images for television display
CN101340261B (zh) * 2007-07-05 2012-08-22 华为技术有限公司 多描述编码和多描述解码的方法、装置及***
EP2046046A1 (en) * 2007-10-02 2009-04-08 Thomson Licensing Methods of encoding and reconstructing image data and devices implementing said methods
BRPI0906481A2 (pt) * 2008-01-14 2015-07-14 Thomson Licensing Métodos e aparelho para filtragem para remoção de artefato usando filtragem baseada em esparsidade de múltiplos reticulados
KR101522004B1 (ko) * 2008-10-29 2015-05-20 삼성전자 주식회사 시각적 코드를 이용한 데이터 전송 장치 및 방법과 데이터 수신 장치 및 방법
KR101703327B1 (ko) * 2010-01-14 2017-02-06 삼성전자 주식회사 계층적 데이터 단위의 패턴 정보를 이용하는 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치
US20140185950A1 (en) * 2012-12-28 2014-07-03 Microsoft Corporation Progressive entropy encoding
US10628165B2 (en) * 2017-08-17 2020-04-21 Agora Lab, Inc. Gain control for multiple description coding
WO2021164014A1 (zh) * 2020-02-21 2021-08-26 华为技术有限公司 视频编码方法及装置

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990957A (en) * 1955-12-20 1961-07-04 Ibm Record card sorting collator
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
JPH0366228A (ja) * 1989-08-04 1991-03-20 Matsushita Electric Ind Co Ltd ブロック符号化装置と復号化装置
US5107345A (en) 1990-02-27 1992-04-21 Qualcomm Incorporated Adaptive block size image compression method and system
US5021891A (en) * 1990-02-27 1991-06-04 Qualcomm, Inc. Adaptive block size image compression method and system
EP0514663A3 (en) * 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
AU658432B2 (en) * 1991-06-04 1995-04-13 Qualcomm Incorporated Adaptive block size image compression method and system
JP3178140B2 (ja) 1993-02-08 2001-06-18 松下電器産業株式会社 画像データ圧縮装置
JP2933457B2 (ja) * 1993-02-18 1999-08-16 日本電気株式会社 ウェーブレット変換符号化方法
US5515388A (en) * 1993-03-19 1996-05-07 Sony Corporation Apparatus and method for preventing repetitive random errors in transform coefficients representing a motion picture signal
JPH07146927A (ja) * 1993-11-22 1995-06-06 Matsushita Electric Ind Co Ltd 画像ファイル装置
US6031937A (en) * 1994-05-19 2000-02-29 Next Software, Inc. Method and apparatus for video compression using block and wavelet techniques
JPH0823539A (ja) * 1994-07-11 1996-01-23 Nippon Hoso Kyokai <Nhk> 高能率符号化におけるトランスコーダ装置
US5889561A (en) 1994-11-04 1999-03-30 Rca Thomson Licensing Corporation Method and apparatus for scaling a compressed video bitstream
JPH08205140A (ja) * 1995-01-31 1996-08-09 Canon Inc 画像圧縮装置
US6256349B1 (en) * 1995-12-28 2001-07-03 Sony Corporation Picture signal encoding method and apparatus, picture signal transmitting method, picture signal decoding method and apparatus and recording medium
US5982441A (en) * 1996-01-12 1999-11-09 Iterated Systems, Inc. System and method for representing a video sequence
JPH09230894A (ja) * 1996-02-20 1997-09-05 Shogo Nakamura 音声圧縮伸張装置及び音声圧縮伸張方法
US5982434A (en) * 1996-03-22 1999-11-09 Sony Corporation Image signal coding method and device thereof, image signal decoding method and device thereof, and recording medium
US5748792A (en) * 1996-08-13 1998-05-05 Polaroid Corporation Large kernel filtering using a fixed-size block processor
KR100297830B1 (ko) * 1996-11-09 2001-08-07 윤종용 영상단위별 비트발생량 조절 장치 및 방법
JPH10107644A (ja) 1996-09-26 1998-04-24 Sony Corp 量子化装置および方法、並びに、符号化装置および方法
JPH10200892A (ja) * 1997-01-10 1998-07-31 Mitsubishi Electric Corp 画像符号化装置
CA2226241A1 (en) * 1997-01-30 1998-07-30 Amy Ruth Reibman Multiple description coding communication system
US6188799B1 (en) * 1997-02-07 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for removing noise in still and moving pictures
US6014172A (en) * 1997-03-21 2000-01-11 Trw Inc. Optimized video compression from a single process step
US6111913A (en) * 1997-05-20 2000-08-29 International Business Machines Corporation Macroblock bit regulation schemes for video encoder
KR100244290B1 (ko) * 1997-09-09 2000-02-01 구자홍 저속 전송에서의 동영상을 위한 디블록킹 필터링 방법
KR100269125B1 (ko) * 1997-10-25 2000-10-16 윤덕용 양자화효과감소를위한영상데이터후처리방법및장치
US6396956B1 (en) * 1998-03-31 2002-05-28 Sharp Laboratories Of America, Inc. Method and apparatus for selecting image data to skip when encoding digital video
DE69813632T2 (de) * 1998-05-12 2004-01-29 St Microelectronics Asia Konditionale maskierung für einen videocodierer
US6094631A (en) * 1998-07-09 2000-07-25 Winbond Electronics Corp. Method of signal compression
RU2154918C1 (ru) * 1998-08-01 2000-08-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для цикл-фильтрации данных изображения
WO2001028222A2 (en) 1999-10-12 2001-04-19 Perception Digital Technology (Bvi) Limited Digital multimedia jukebox
US6480547B1 (en) * 1999-10-15 2002-11-12 Koninklijke Philips Electronics N.V. System and method for encoding and decoding the residual signal for fine granular scalable video
US6529634B1 (en) * 1999-11-08 2003-03-04 Qualcomm, Inc. Contrast sensitive variance based adaptive block size DCT image compression
JP4441839B2 (ja) * 2000-08-17 2010-03-31 ソニー株式会社 統計多重システム、統計多重制御装置および統計多重方法
JP2002176359A (ja) * 2000-12-06 2002-06-21 Canon Inc 情報処理装置及びその制御方法、情報処理システム、コンピュータ可読メモリ
AU2002323591A1 (en) 2001-09-05 2003-03-18 Emblaze Systems Ltd. Method for reducing blocking artifacts
AU2002335743A1 (en) * 2001-09-14 2003-04-01 The Regents Of The University Of Michigan Audio distributor
US9042445B2 (en) * 2001-09-24 2015-05-26 Broadcom Corporation Method for deblocking field-frame video
CN101448162B (zh) * 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
US6907079B2 (en) * 2002-05-01 2005-06-14 Thomson Licensing S.A. Deblocking filter conditioned on pixel brightness
US7227998B2 (en) * 2002-06-11 2007-06-05 Canon Kabushiki Kaisha Image processing apparatus, control method of the same, computer program, and computer-readable storage medium
US6950473B2 (en) * 2002-06-21 2005-09-27 Seiko Epson Corporation Hybrid technique for reducing blocking and ringing artifacts in low-bit-rate coding
US20030235250A1 (en) 2002-06-24 2003-12-25 Ankur Varma Video deblocking
JP5021167B2 (ja) * 2002-11-15 2012-09-05 クゥアルコム・インコーポレイテッド 複数記述符号化のための装置及び方法
US20040179608A1 (en) 2003-02-27 2004-09-16 Intel Corporation Multiple-description coding methods and apparatus
US7430336B2 (en) 2004-05-06 2008-09-30 Qualcomm Incorporated Method and apparatus for image enhancement for low bit rate video compression

Also Published As

Publication number Publication date
EP1573469B1 (en) 2011-10-05
ES2371871T3 (es) 2012-01-10
JP2006506912A (ja) 2006-02-23
EP1579577B1 (en) 2008-07-23
IL168511A (en) 2010-06-30
WO2004046879A3 (en) 2005-08-25
AU2003291058B2 (en) 2010-06-10
WO2004047425A2 (en) 2004-06-03
KR101066051B1 (ko) 2011-09-20
KR20050074622A (ko) 2005-07-18
EP1573469A2 (en) 2005-09-14
CA2506102C (en) 2013-07-23
AU2003291058C1 (en) 2010-10-28
US7061404B2 (en) 2006-06-13
US20040141091A1 (en) 2004-07-22
WO2004047425A3 (en) 2004-11-18
CN1726644A (zh) 2006-01-25
ATE402523T1 (de) 2008-08-15
US20040141656A1 (en) 2004-07-22
EP1573469A4 (en) 2007-09-19
CN100553151C (zh) 2009-10-21
JP2006506913A (ja) 2006-02-23
JP5021167B2 (ja) 2012-09-05
ES2309379T3 (es) 2008-12-16
CN1742436A (zh) 2006-03-01
AU2003291058A1 (en) 2004-06-15
EP1579577A4 (en) 2006-01-18
KR20050072487A (ko) 2005-07-11
JP4541896B2 (ja) 2010-09-08
ATE527591T1 (de) 2011-10-15
US7564382B2 (en) 2009-07-21
CN1726644B (zh) 2010-04-28
EP1579577A2 (en) 2005-09-28
WO2004046879A2 (en) 2004-06-03
KR101051903B1 (ko) 2011-07-26
ATE428997T1 (de) 2009-05-15
JP2010263657A (ja) 2010-11-18
AU2003291057A1 (en) 2004-06-15
DE60327273D1 (de) 2009-05-28
US7561073B2 (en) 2009-07-14
DE60322433D1 (de) 2008-09-04
AU2003291057B2 (en) 2009-04-23
CA2506102A1 (en) 2004-06-03
US20060197691A1 (en) 2006-09-07

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