IT1084528B - Metodo e dispositivo per codificare immagini mediante riduzione della ridondanza. - Google Patents

Metodo e dispositivo per codificare immagini mediante riduzione della ridondanza.

Info

Publication number
IT1084528B
IT1084528B IT27259/77A IT2725977A IT1084528B IT 1084528 B IT1084528 B IT 1084528B IT 27259/77 A IT27259/77 A IT 27259/77A IT 2725977 A IT2725977 A IT 2725977A IT 1084528 B IT1084528 B IT 1084528B
Authority
IT
Italy
Prior art keywords
reducing redundancy
coding images
coding
images
redundancy
Prior art date
Application number
IT27259/77A
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 IT1084528B publication Critical patent/IT1084528B/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
    • H04N19/60—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
    • H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop
IT27259/77A 1976-09-07 1977-09-05 Metodo e dispositivo per codificare immagini mediante riduzione della ridondanza. IT1084528B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2640140A DE2640140C2 (de) 1976-09-07 1976-09-07 Verfahren und Anordnung zur redundanzvermindernden Bildcodierung

Publications (1)

Publication Number Publication Date
IT1084528B true IT1084528B (it) 1985-05-25

Family

ID=5987292

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27259/77A IT1084528B (it) 1976-09-07 1977-09-05 Metodo e dispositivo per codificare immagini mediante riduzione della ridondanza.

Country Status (7)

Country Link
US (1) US4190861A (it)
JP (1) JPS5333020A (it)
DE (1) DE2640140C2 (it)
FR (1) FR2363941A1 (it)
GB (1) GB1535011A (it)
IT (1) IT1084528B (it)
NL (1) NL184450C (it)

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Publication number Priority date Publication date Assignee Title
DE2963153D1 (en) * 1978-06-26 1982-08-12 Environmental Res Inst Apparatus and method for generating a transformation of a first data matrix to form a second data matrix
JPS58148565A (ja) * 1982-02-26 1983-09-03 Mitsubishi Electric Corp 多階調画像信号の符号化方法
EP0228028A1 (de) * 1985-12-20 1987-07-08 Siemens Aktiengesellschaft Schaltungsanordnung zur Transformationscodierung
ES2031499T3 (es) * 1986-03-20 1992-12-16 American Telephone And Telegraph Company Metodo y codificador para codificar senales de datos.
JPS62231569A (ja) * 1986-03-31 1987-10-12 Fuji Photo Film Co Ltd 予測誤差の量子化方法
US5008848A (en) * 1989-05-30 1991-04-16 North American Philips Corporation Circuit for performing S-transform
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
US5748786A (en) 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
US5966465A (en) * 1994-09-21 1999-10-12 Ricoh Corporation Compression/decompression using reversible embedded wavelets
US6195465B1 (en) 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
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
US6229927B1 (en) 1994-09-21 2001-05-08 Ricoh Company, Ltd. Reversible embedded wavelet system implementation
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
US6144773A (en) * 1996-02-27 2000-11-07 Interval Research Corporation Wavelet-based data compression
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
EP0985193B1 (en) 1997-05-30 2003-01-29 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
US6570924B1 (en) * 1998-11-20 2003-05-27 Interval Research Corp 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
WO2002048966A1 (en) * 2000-12-14 2002-06-20 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
US6950558B2 (en) * 2001-03-30 2005-09-27 Ricoh Co., Ltd. Method and apparatus for block sequential processing
US6859563B2 (en) 2001-03-30 2005-02-22 Ricoh Co., Ltd. Method and apparatus for decoding information using late contexts
US7062101B2 (en) 2001-03-30 2006-06-13 Ricoh Co., Ltd. Method and apparatus for storing bitplanes of coefficients in a reduced size memory
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
US7006697B1 (en) 2001-03-30 2006-02-28 Ricoh Co., Ltd. Parallel block MQ arithmetic image compression of wavelet transform coefficients
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
US9445115B2 (en) * 2013-11-21 2016-09-13 Bae Systems Information And Electronic Systems Integration Inc. Coded image system and method thereof
CN111161164B (zh) * 2019-12-09 2023-10-13 豪威触控与显示科技(深圳)有限公司 图像处理装置、方法及显示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905756A (en) * 1956-11-30 1959-09-22 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
GB1189982A (en) * 1966-06-15 1970-04-29 Xerox Corp Binary Encoding
US3521241A (en) * 1967-01-03 1970-07-21 Ibm Two-dimensional data compression
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
US4190861A (en) 1980-02-26
GB1535011A (en) 1978-12-06
NL7709733A (nl) 1978-03-09
JPS5333020A (en) 1978-03-28
DE2640140A1 (de) 1978-03-16
FR2363941B1 (it) 1984-04-20
NL184450B (nl) 1989-02-16
DE2640140C2 (de) 1982-10-07
FR2363941A1 (fr) 1978-03-31
NL184450C (nl) 1989-07-17

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