IT1084429B - Metodo e dispositivo per la codificazione di immagini mediante la riduzione della ridondanza. - Google Patents

Metodo e dispositivo per la codificazione di immagini mediante la riduzione della ridondanza.

Info

Publication number
IT1084429B
IT1084429B IT27261/77A IT2726177A IT1084429B IT 1084429 B IT1084429 B IT 1084429B IT 27261/77 A IT27261/77 A IT 27261/77A IT 2726177 A IT2726177 A IT 2726177A IT 1084429 B IT1084429 B IT 1084429B
Authority
IT
Italy
Prior art keywords
redundancy
coding
images
reducing
Prior art date
Application number
IT27261/77A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1084429B publication Critical patent/IT1084429B/it

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
    • H04N19/50—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
    • H04N19/527—Global motion vector estimation
    • 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
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT27261/77A 1976-09-07 1977-09-05 Metodo e dispositivo per la codificazione di immagini mediante la riduzione della ridondanza. IT1084429B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2640157A DE2640157C2 (de) 1976-09-07 1976-09-07 Verfahren und Anordnung zum redundanzvermindernden Codieren von Bildern

Publications (1)

Publication Number Publication Date
IT1084429B true IT1084429B (it) 1985-05-25

Family

ID=5987303

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27261/77A IT1084429B (it) 1976-09-07 1977-09-05 Metodo e dispositivo per la codificazione di immagini mediante la riduzione della ridondanza.

Country Status (7)

Country Link
US (1) US4155097A (it)
JP (1) JPS5333014A (it)
DE (1) DE2640157C2 (it)
FR (1) FR2363948A1 (it)
GB (1) GB1537738A (it)
IT (1) IT1084429B (it)
NL (1) NL184250C (it)

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US4193092A (en) * 1978-06-21 1980-03-11 Xerox Corporation Image interpolation system
DE2927710A1 (de) * 1979-07-09 1981-01-29 Philips Nv Verfahren und anordnung zur fehlerkorrektur bei faksimileuebertragung
US4368462A (en) * 1979-07-10 1983-01-11 Teledyne Industries, Inc. Line follower
JPS5666971A (en) * 1979-11-05 1981-06-05 Dainippon Screen Mfg Co Ltd Picture data compressing method
JPS57138685A (en) * 1981-02-23 1982-08-27 Hitachi Ltd Graphic conversion for graphic indicator
JPS58149533U (ja) * 1982-03-31 1983-10-07 いすゞ自動車株式会社 内燃機関のウエストゲ−トバルブ
DE3234607A1 (de) * 1982-09-16 1984-03-22 Kraft, Hans Rainer, Dr.-Ing., 1000 Berlin Verfahren und schaltungsanordnung zur erfassung eines ausgewaehlten bildinformationsbereiches
WO1984002026A1 (en) * 1982-11-16 1984-05-24 Real Time Design Inc Color video system using data compression and decompression
US4580134A (en) * 1982-11-16 1986-04-01 Real Time Design, Inc. Color video system using data compression and decompression
DE3304835A1 (de) * 1983-02-11 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zur digitalen uebertragung von fernsehbildern
US4562467A (en) * 1983-04-01 1985-12-31 Itek Corporation Data compression apparatus and method for encoding and decoding multi-line signals
US4661862A (en) * 1984-04-27 1987-04-28 Rca Corporation Differential PCM video transmission system employing horizontally offset five pixel groups and delta signals having plural non-linear encoding functions
GB8502924D0 (en) * 1985-02-05 1985-03-06 British Telecomm Image encoding
US4932066A (en) * 1985-10-15 1990-06-05 Canon Kabushiki Kaisha Information signal transmission system
US4947448A (en) * 1985-11-22 1990-08-07 Canon Kabushiki Kaisha Image information signal transmitting system
JPS62181576A (ja) * 1986-02-05 1987-08-08 Fuji Photo Film Co Ltd 放射線画像情報圧縮方法
JP2829954B2 (ja) * 1987-08-22 1998-12-02 ソニー株式会社 画像信号の高能率符号化装置及び方法
JPH03227179A (ja) * 1990-01-31 1991-10-08 Sony Corp 画像データ処理装置
US5748786A (en) 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
JP3302229B2 (ja) 1994-09-20 2002-07-15 株式会社リコー 符号化方法、符号化／復号方法及び復号方法
US6549666B1 (en) 1994-09-21 2003-04-15 Ricoh Company, Ltd Reversible embedded wavelet system implementation
US6873734B1 (en) 1994-09-21 2005-03-29 Ricoh Company Ltd Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6195465B1 (en) 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6229927B1 (en) 1994-09-21 2001-05-08 Ricoh Company, Ltd. Reversible embedded wavelet system implementation
US5966465A (en) * 1994-09-21 1999-10-12 Ricoh Corporation Compression/decompression using reversible embedded wavelets
US5881176A (en) 1994-09-21 1999-03-09 Ricoh Corporation Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
US6144773A (en) * 1996-02-27 2000-11-07 Interval Research Corporation Wavelet-based data compression
US6148109A (en) * 1996-05-28 2000-11-14 Matsushita Electric Industrial Co., Ltd. Image predictive coding method
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
WO1998054675A1 (en) 1997-05-30 1998-12-03 Interval Research Corporation Method and apparatus for wavelet based data compression
US6044172A (en) * 1997-12-22 2000-03-28 Ricoh Company Ltd. Method and apparatus for reversible color conversion
WO2000031878A1 (en) * 1998-11-20 2000-06-02 Interval Research Corporation Low cost video compression using fast, modified z-coding of wavelet pyramids
US6314452B1 (en) 1999-08-31 2001-11-06 Rtimage, Ltd. System and method for transmitting a digital image over a communication network
US20010047516A1 (en) * 2000-02-01 2001-11-29 Compaq Computer Corporation System for time shifting live streamed video-audio distributed via the internet
AU2001253563A1 (en) * 2000-04-18 2001-10-30 Rtimage Inc. System and method for the lossless progressive streaming of images over a communication network
AU2002229090A1 (en) * 2000-12-14 2002-06-24 Rtimage Inc. Three-dimensional image streaming system and method for medical images
US6898323B2 (en) * 2001-02-15 2005-05-24 Ricoh Company, Ltd. Memory usage scheme for performing wavelet processing
US7006697B1 (en) 2001-03-30 2006-02-28 Ricoh Co., Ltd. Parallel block MQ arithmetic image compression of wavelet transform coefficients
US6950558B2 (en) * 2001-03-30 2005-09-27 Ricoh Co., Ltd. Method and apparatus for block sequential processing
US7062101B2 (en) 2001-03-30 2006-06-13 Ricoh Co., Ltd. Method and apparatus for storing bitplanes of coefficients in a reduced size memory
US6859563B2 (en) 2001-03-30 2005-02-22 Ricoh Co., Ltd. Method and apparatus for decoding information using late contexts
US6895120B2 (en) 2001-03-30 2005-05-17 Ricoh Co., Ltd. 5,3 wavelet filter having three high pair and low pair filter elements with two pairs of cascaded delays
US7581027B2 (en) * 2001-06-27 2009-08-25 Ricoh Co., Ltd. JPEG 2000 for efficent imaging in a client/server environment
US7280252B1 (en) 2001-12-19 2007-10-09 Ricoh Co., Ltd. Error diffusion of multiresolutional representations
US7095907B1 (en) 2002-01-10 2006-08-22 Ricoh Co., Ltd. Content and display device dependent creation of smaller representation of images
US7120305B2 (en) * 2002-04-16 2006-10-10 Ricoh, Co., Ltd. Adaptive nonlinear image enlargement using wavelet transform coefficients
KR101403338B1 (ko) * 2007-03-23 2014-06-09 삼성전자주식회사 영상의 부호화, 복호화 방법 및 장치

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US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US3051778A (en) * 1960-10-20 1962-08-28 Bell Telephone Labor Inc Sequential scan television with line interpolation
US3679821A (en) * 1970-04-30 1972-07-25 Bell Telephone Labor Inc Transform coding of image difference signals
US3937871A (en) * 1973-03-26 1976-02-10 International Publishing Corporation Limited Code communication
GB1443651A (en) * 1973-05-30 1976-07-21 Ibm System for compacting digital data
US3980809A (en) * 1973-07-16 1976-09-14 International Business Machines Corporation Encoding logic for reduced bandwidth pictorial data transmission system
FR2257183B1 (fr) * 1974-01-04 1976-11-26 Cit Alcatel Systeme de transmission fac-simile d'une image
DE2432399C3 (de) * 1974-07-05 1980-07-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart System zur digitalen Übertragung von Bildsignalen mittels Differenz-Pulscodemodulation (DPCM)
US3976826A (en) * 1975-05-07 1976-08-24 Western Electric Company, Inc. Method and apparatus for generating line-by-line picture signal from transformed subpicture information
US3984626A (en) * 1975-08-01 1976-10-05 Bell Telephone Laboratories, Incorporated Picture signal coder

Also Published As

Publication number Publication date
GB1537738A (en) 1979-01-04
JPS5333014A (en) 1978-03-28
NL7709732A (nl) 1978-03-09
NL184250B (nl) 1988-12-16
DE2640157C2 (de) 1982-10-07
FR2363948A1 (fr) 1978-03-31
FR2363948B1 (it) 1984-10-26
DE2640157A1 (de) 1978-03-16
JPS5753033B2 (it) 1982-11-10
US4155097A (en) 1979-05-15
NL184250C (nl) 1989-05-16

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