DK169287A - Fremgangsmaade og apparat til digital signalkodning ved vektorkvantisering - Google Patents

Fremgangsmaade og apparat til digital signalkodning ved vektorkvantisering

Info

Publication number
DK169287A
DK169287A DK169287A DK169287A DK169287A DK 169287 A DK169287 A DK 169287A DK 169287 A DK169287 A DK 169287A DK 169287 A DK169287 A DK 169287A DK 169287 A DK169287 A DK 169287A
Authority
DK
Denmark
Prior art keywords
digital signal
vector quantization
signal coding
coding
quantization
Prior art date
Application number
DK169287A
Other languages
English (en)
Other versions
DK169287D0 (da
Inventor
Garibaldi Conte
Mario Guglielmo
Fabrizio Oliveri
Original Assignee
Cselt Centro Studi Lab Telecom
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 Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of DK169287D0 publication Critical patent/DK169287D0/da
Publication of DK169287A publication Critical patent/DK169287A/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK169287A 1986-04-07 1987-04-02 Fremgangsmaade og apparat til digital signalkodning ved vektorkvantisering DK169287A (da)

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 (2)

Publication Number Publication Date
DK169287D0 DK169287D0 (da) 1987-04-02
DK169287A true DK169287A (da) 1987-10-08

Family

ID=11301042

Family Applications (1)

Application Number Title Priority Date Filing Date
DK169287A DK169287A (da) 1986-04-07 1987-04-02 Fremgangsmaade og apparat til digital signalkodning ved vektorkvantisering

Country Status (7)

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

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 (da) * 1991-04-18 1995-09-01 Ampex
AU1996292A (en) * 1991-05-17 1992-12-30 Analytic Sciences Corporation, The Continuous-tone image compression
DE69223850T2 (de) * 1991-05-30 1998-05-14 Canon Information Syst Res 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
US5596659A (en) * 1992-09-01 1997-01-21 Apple Computer, Inc. Preprocessing and postprocessing for vector quantization
JPH08502865A (ja) * 1992-09-01 1996-03-26 アプル・コンピュータ・インコーポレーテッド 改良されたベクトルの量子化
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
JP2003513538A (ja) * 1999-10-22 2003-04-08 アクティブスカイ，インコーポレイテッド オブジェクト指向ビデオシステム
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
DE3786412T2 (de) 1993-11-11
IT8667273A1 (it) 1987-10-07
EP0240948B1 (en) 1993-07-07
IT8667273A0 (it) 1986-04-07
DE3786412D1 (de) 1993-08-12
DE240948T1 (de) 1990-09-06
EP0240948A2 (en) 1987-10-14
CA1278867C (en) 1991-01-08
DK169287D0 (da) 1987-04-02
IT1190565B (it) 1988-02-16
EP0240948A3 (en) 1990-05-02
JPH0681104B2 (ja) 1994-10-12
US4807298A (en) 1989-02-21

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
AHB Application shelved due to non-payment
PBP Patent lapsed