DE240948T1 - Verfahren und vorrichtung zur digitalen signalkodierung durch quantisierung. - Google Patents

Verfahren und vorrichtung zur digitalen signalkodierung durch quantisierung.

Info

Publication number
DE240948T1
DE240948T1 DE198787104960T DE87104960T DE240948T1 DE 240948 T1 DE240948 T1 DE 240948T1 DE 198787104960 T DE198787104960 T DE 198787104960T DE 87104960 T DE87104960 T DE 87104960T DE 240948 T1 DE240948 T1 DE 240948T1
Authority
DE
Germany
Prior art keywords
quantization
digital signal
signal coding
coding
digital
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.)
Pending
Application number
DE198787104960T
Other languages
English (en)
Inventor
Garibaldi San Severo Conte (Foggia), It
Mario Montalenghe Guglielmo (To), It
Fabrizio Quiliano Oliveri (Savona), It
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.)
CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT
Original Assignee
CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT
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 CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT filed Critical CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT
Publication of DE240948T1 publication Critical patent/DE240948T1/de
Pending legal-status Critical Current

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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
DE198787104960T 1986-04-07 1987-04-03 Verfahren und vorrichtung zur digitalen signalkodierung durch quantisierung. Pending DE240948T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67273/86A IT1190565B (it) 1986-04-07 1986-04-07 Procedimento e dispositivo di codifica di segnali numerizati mediante quantizzazione vettoriale

Publications (1)

Publication Number Publication Date
DE240948T1 true DE240948T1 (de) 1990-09-06

Family

ID=11301042

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198787104960T Pending DE240948T1 (de) 1986-04-07 1987-04-03 Verfahren und vorrichtung zur digitalen signalkodierung durch quantisierung.
DE87104960T Expired - Fee Related DE3786412T2 (de) 1986-04-07 1987-04-03 Verfahren und Vorrichtung zur digitalen Signalkodierung durch Quantisierung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE87104960T Expired - Fee Related DE3786412T2 (de) 1986-04-07 1987-04-03 Verfahren und Vorrichtung zur digitalen Signalkodierung durch Quantisierung.

Country Status (7)

Country Link
US (1) US4807298A (de)
EP (1) EP0240948B1 (de)
JP (1) JPH0681104B2 (de)
CA (1) CA1278867C (de)
DE (2) DE240948T1 (de)
DK (1) DK169287A (de)
IT (1) IT1190565B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL83549A (en) * 1987-08-16 1992-08-18 Yossi Matias Video scrambling apparatus and method based on space filling curves
GB2210236B (en) * 1987-09-24 1991-12-18 Newbridge Networks Corp Speech processing system
US5010574A (en) * 1989-06-13 1991-04-23 At&T Bell Laboratories Vector quantizer search arrangement
JPH0638274B2 (ja) * 1989-07-31 1994-05-18 工業技術院長 画像認識装置および画像認識方法
FR2657695B1 (fr) * 1990-01-30 1992-04-17 Elf Aquitaine Procede de pointe de surfaces dans un volume 3d.
US5061924B1 (en) * 1991-01-25 1996-04-30 American Telephone & Telegraph Efficient vector codebook
TW256010B (de) * 1991-04-18 1995-09-01 Ampex
AU1996292A (en) * 1991-05-17 1992-12-30 Analytic Sciences Corporation, The Continuous-tone image compression
EP0516477B1 (de) * 1991-05-30 1998-01-07 Canon Kabushiki Kaisha Kompressionssteigerung bei graphischen Systemen
US5267332A (en) * 1991-06-19 1993-11-30 Technibuild Inc. Image recognition system
US5315670A (en) * 1991-11-12 1994-05-24 General Electric Company Digital data compression system including zerotree coefficient coding
US5416856A (en) * 1992-03-30 1995-05-16 The United States Of America As Represented By The Secretary Of The Navy Method of encoding a digital image using iterated image transformations to form an eventually contractive map
DE69334349D1 (de) * 1992-09-01 2011-04-21 Apple Inc Verbesserte Vektorquatisierung
US5596659A (en) * 1992-09-01 1997-01-21 Apple Computer, Inc. Preprocessing and postprocessing for vector quantization
US5349545A (en) * 1992-11-24 1994-09-20 Intel Corporation Arithmetic logic unit dequantization
US5468069A (en) * 1993-08-03 1995-11-21 University Of So. California Single chip design for fast image compression
US5440652A (en) * 1993-09-10 1995-08-08 Athena Design Systems, Inc. Method and apparatus for preparing color separations based on n-way color relationships
US5592227A (en) * 1994-09-15 1997-01-07 Vcom, Inc. Method and apparatus for compressing a digital signal using vector quantization
US6738058B1 (en) * 1997-04-30 2004-05-18 Ati Technologies, Inc. Method and apparatus for three dimensional graphics processing
WO2001031497A1 (en) * 1999-10-22 2001-05-03 Activesky, Inc. An object oriented video system
US7453936B2 (en) * 2001-11-09 2008-11-18 Sony Corporation Transmitting apparatus and method, receiving apparatus and method, program and recording medium, and transmitting/receiving system
CN110489605B (zh) * 2019-07-31 2023-06-06 云南师范大学 一种数据偏斜分布下的Hilbert编码和解码方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541012A (en) * 1982-01-04 1985-09-10 Compression Labs, Inc. Video bandwidth reduction system employing interframe block differencing and transform domain coding
US4670851A (en) * 1984-01-09 1987-06-02 Mitsubishi Denki Kabushiki Kaisha Vector quantizer

Also Published As

Publication number Publication date
JPS62239728A (ja) 1987-10-20
DK169287D0 (da) 1987-04-02
EP0240948B1 (de) 1993-07-07
DE3786412T2 (de) 1993-11-11
IT1190565B (it) 1988-02-16
EP0240948A2 (de) 1987-10-14
CA1278867C (en) 1991-01-08
JPH0681104B2 (ja) 1994-10-12
IT8667273A0 (it) 1986-04-07
DE3786412D1 (de) 1993-08-12
DK169287A (da) 1987-10-08
IT8667273A1 (it) 1987-10-07
US4807298A (en) 1989-02-21
EP0240948A3 (en) 1990-05-02

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