JP4724351B2 - 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 - Google Patents

画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 Download PDF

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JP4724351B2
JP4724351B2 JP2002205488A JP2002205488A JP4724351B2 JP 4724351 B2 JP4724351 B2 JP 4724351B2 JP 2002205488 A JP2002205488 A JP 2002205488A JP 2002205488 A JP2002205488 A JP 2002205488A JP 4724351 B2 JP4724351 B2 JP 4724351B2
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image
prediction
unit
motion vector
motion
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JP2004048552A (ja
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俊一 関口
悦久 山田
光太郎 浅井
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Priority to JP2002205488A priority Critical patent/JP4724351B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to CN2006100996696A priority patent/CN1905679B/zh
Priority to US10/488,229 priority patent/US8045616B2/en
Priority to EP20090014812 priority patent/EP2222085A2/en
Priority to EP03764122A priority patent/EP1418763A4/en
Priority to CNA2006100515821A priority patent/CN1819659A/zh
Priority to EP20070017234 priority patent/EP1863289A3/en
Priority to KR20047003731A priority patent/KR100593350B1/ko
Priority to PCT/JP2003/007995 priority patent/WO2004008772A1/ja
Priority to CN2006100996681A priority patent/CN1882094B/zh
Priority to CNB038010453A priority patent/CN1254113C/zh
Priority to EP20090014813 priority patent/EP2230848A1/en
Priority to CA2459229A priority patent/CA2459229C/en
Priority to TW92117917A priority patent/TW200402662A/zh
Priority to TW96123210A priority patent/TWI395489B/zh
Publication of JP2004048552A publication Critical patent/JP2004048552A/ja
Priority to US11/926,630 priority patent/US20080056371A1/en
Priority to US11/926,660 priority patent/US8054884B2/en
Priority to US11/926,816 priority patent/US8401079B2/en
Priority to US11/943,716 priority patent/US20080084930A1/en
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Publication of JP4724351B2 publication Critical patent/JP4724351B2/ja
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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/102—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of 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
    • H04N19/134—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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/50—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/60—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2002205488A 2002-07-15 2002-07-15 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 Expired - Lifetime JP4724351B2 (ja)

Priority Applications (19)

Application Number Priority Date Filing Date Title
JP2002205488A JP4724351B2 (ja) 2002-07-15 2002-07-15 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置
EP20090014813 EP2230848A1 (en) 2002-07-15 2003-06-24 Image encoding and decoding device
EP20090014812 EP2222085A2 (en) 2002-07-15 2003-06-24 Image coding and decoding apparatus
EP03764122A EP1418763A4 (en) 2002-07-15 2003-06-24 IMAGE ENCODING DEVICE, IMAGE ENCODING METHOD, IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND COMMUNICATION DEVICE
CNA2006100515821A CN1819659A (zh) 2002-07-15 2003-06-24 图像编码装置、图像编码方法、图像解码装置、图像解码方法和通信装置
EP20070017234 EP1863289A3 (en) 2002-07-15 2003-06-24 Apparatus and method for image coding and decoding and communication apparatus
KR20047003731A KR100593350B1 (ko) 2002-07-15 2003-06-24 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치,화상 복호 방법, 및 통신 장치
CA2459229A CA2459229C (en) 2002-07-15 2003-06-24 Image coder and decoder which select interpolated pixel accuracy depending on the size of coverage of local motion vector detection areas
US10/488,229 US8045616B2 (en) 2002-07-15 2003-06-24 Image coding device, image coding method, image decoding device, image decoding method and communication apparatus
CNB038010453A CN1254113C (zh) 2002-07-15 2003-06-24 图像编码装置、图像编码方法、图像解码装置、图像解码方法和通信装置
CN2006100996696A CN1905679B (zh) 2002-07-15 2003-06-24 图像编码装置、图像编码方法、图像解码装置、图像解码方法和通信装置
CN2006100996681A CN1882094B (zh) 2002-07-15 2003-06-24 图像编码装置、图像编码方法、图像解码装置、图像解码方法和通信装置
PCT/JP2003/007995 WO2004008772A1 (ja) 2002-07-15 2003-06-24 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置
TW92117917A TW200402662A (en) 2002-07-15 2003-07-01 Image encoder, image encoding method, image decoder, image decoding method and communication device
TW96123210A TWI395489B (zh) 2002-07-15 2003-07-01 A video coding apparatus, and an image decoding apparatus
US11/926,630 US20080056371A1 (en) 2002-07-15 2007-10-29 Image coding apparatus, image coding method, image decoding apparatus, image decoding method and communication apparatus
US11/926,660 US8054884B2 (en) 2002-07-15 2007-10-29 Image coding apparatus, image coding method, image decoding apparatus, image decoding method and communication apparatus
US11/926,816 US8401079B2 (en) 2002-07-15 2007-10-29 Image coding apparatus, image coding method, image decoding apparatus, image decoding method and communication apparatus
US11/943,716 US20080084930A1 (en) 2002-07-15 2007-11-21 Image coding apparatus, image coding method, image decoding apparatus, image decoding method and communication apparatus

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JP2002205488A JP4724351B2 (ja) 2002-07-15 2002-07-15 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置

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US (5) US8045616B2 (enExample)
EP (4) EP1863289A3 (enExample)
JP (1) JP4724351B2 (enExample)
KR (1) KR100593350B1 (enExample)
CN (4) CN1905679B (enExample)
CA (1) CA2459229C (enExample)
TW (2) TW200402662A (enExample)
WO (1) WO2004008772A1 (enExample)

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