CA2081233A1 - Codage de signaux d'imagerie avec correction des effets dus aux mouvements pour obtenir un signal d'imagerie de debit binaire predetermine - Google Patents

Codage de signaux d'imagerie avec correction des effets dus aux mouvements pour obtenir un signal d'imagerie de debit binaire predetermine

Info

Publication number
CA2081233A1
CA2081233A1 CA2081233A CA2081233A CA2081233A1 CA 2081233 A1 CA2081233 A1 CA 2081233A1 CA 2081233 A CA2081233 A CA 2081233A CA 2081233 A CA2081233 A CA 2081233A CA 2081233 A1 CA2081233 A1 CA 2081233A1
Authority
CA
Canada
Prior art keywords
signal
quantizer
picture
zero
error signal
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.)
Granted
Application number
CA2081233A
Other languages
English (en)
Other versions
CA2081233C (fr
Inventor
Junichi Ohki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Junichi Ohki
Nec Corporation
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 Junichi Ohki, Nec Corporation filed Critical Junichi Ohki
Publication of CA2081233A1 publication Critical patent/CA2081233A1/fr
Application granted granted Critical
Publication of CA2081233C publication Critical patent/CA2081233C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/144Movement detection
    • H04N5/145Movement estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/149Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CA 2081233 1991-10-25 1992-10-23 Codage de signaux d'imagerie avec correction des effets dus aux mouvements pour obtenir un signal d'imagerie de debit binaire predetermine Expired - Fee Related CA2081233C (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP279541/1991 1991-10-25
JP27954191 1991-10-25
JP28506091 1991-10-30
JP285060/1991 1991-10-30
JP1159/1992 1992-01-08
JP115992 1992-01-08
JP9133/1992 1992-01-22
JP913392 1992-01-22

Publications (2)

Publication Number Publication Date
CA2081233A1 true CA2081233A1 (fr) 1993-04-26
CA2081233C CA2081233C (fr) 1998-09-29

Family

ID=27453336

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2081233 Expired - Fee Related CA2081233C (fr) 1991-10-25 1992-10-23 Codage de signaux d'imagerie avec correction des effets dus aux mouvements pour obtenir un signal d'imagerie de debit binaire predetermine

Country Status (3)

Country Link
US (1) US5453791A (fr)
JP (1) JP2868045B2 (fr)
CA (1) CA2081233C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3700195B2 (ja) * 1995-01-10 2005-09-28 ソニー株式会社 復号化装置、再生装置、記録再生装置、画像処理システム、復号化方法、再生方法、記録再生方法及び画像処理方法
KR100225690B1 (ko) * 1995-04-18 1999-10-15 모리시다 요이치 상관도 연산장치, 병렬상관도 연산장치 및 상관도연산방법
JPH08294125A (ja) * 1995-04-20 1996-11-05 Toshiba Corp 動画像符号化装置および動画像復号化装置
US5781238A (en) * 1995-07-28 1998-07-14 Sony Corporation Information signal encoding apparatus, encoding method thereof, information signal decoding method, and information signal record medium thereof
RU2093968C1 (ru) * 1995-08-02 1997-10-20 Закрытое акционерное общество "Техно-ТМ" Способ кодирования-декодирования изображений и устройство для его осуществления
US9395905B2 (en) * 2006-04-05 2016-07-19 Synaptics Incorporated Graphical scroll wheel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909600A (en) * 1956-07-26 1959-10-20 Bell Telephone Labor Inc Two-way television over telephone lines
CA935915A (en) * 1964-08-01 1973-10-23 Sony Corporation Video magnetic recording and reproducing system
JPS4929718A (fr) * 1972-07-19 1974-03-16
JPS55158784A (en) * 1979-05-28 1980-12-10 Nec Corp Inter-frame coding device
JPS58197984A (ja) * 1982-05-14 1983-11-17 Nec Corp テレビジヨン信号の適応予測符号化装置
EP0330455A3 (fr) * 1988-02-22 1990-07-04 Kabushiki Kaisha Toshiba Dispositif de codage d'images
JP2520306B2 (ja) * 1989-05-24 1996-07-31 三菱電機株式会社 変換符号化装置

Also Published As

Publication number Publication date
CA2081233C (fr) 1998-09-29
US5453791A (en) 1995-09-26
JPH05268595A (ja) 1993-10-15
JP2868045B2 (ja) 1999-03-10

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