DE3786412D1 - Verfahren und vorrichtung zur digitalen signalkodierung durch quantisierung. - Google Patents
Verfahren und vorrichtung zur digitalen signalkodierung durch quantisierung.Info
- Publication number
- DE3786412D1 DE3786412D1 DE8787104960T DE3786412T DE3786412D1 DE 3786412 D1 DE3786412 D1 DE 3786412D1 DE 8787104960 T DE8787104960 T DE 8787104960T DE 3786412 T DE3786412 T DE 3786412T DE 3786412 D1 DE3786412 D1 DE 3786412D1
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 1
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)
- Theoretical Computer Science (AREA)
- Multimedia (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)
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 |
---|---|
DE3786412D1 true DE3786412D1 (de) | 1993-08-12 |
DE3786412T2 DE3786412T2 (de) | 1993-11-11 |
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 Before (1)
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. |
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)
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 |
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)
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 |
-
1986
- 1986-04-07 IT IT67273/86A patent/IT1190565B/it active
-
1987
- 1987-04-01 US US07/034,025 patent/US4807298A/en not_active Expired - Fee Related
- 1987-04-01 JP JP62077651A patent/JPH0681104B2/ja not_active Expired - Lifetime
- 1987-04-02 DK DK169287A patent/DK169287A/da not_active IP Right Cessation
- 1987-04-03 DE DE198787104960T patent/DE240948T1/de active Pending
- 1987-04-03 DE DE87104960T patent/DE3786412T2/de not_active Expired - Fee Related
- 1987-04-03 EP EP87104960A patent/EP0240948B1/de not_active Expired - Lifetime
- 1987-04-06 CA CA000533883A patent/CA1278867C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1278867C (en) | 1991-01-08 |
IT8667273A0 (it) | 1986-04-07 |
EP0240948A3 (en) | 1990-05-02 |
IT1190565B (it) | 1988-02-16 |
DK169287D0 (da) | 1987-04-02 |
US4807298A (en) | 1989-02-21 |
DK169287A (da) | 1987-10-08 |
DE3786412T2 (de) | 1993-11-11 |
IT8667273A1 (it) | 1987-10-07 |
EP0240948A2 (de) | 1987-10-14 |
JPH0681104B2 (ja) | 1994-10-12 |
DE240948T1 (de) | 1990-09-06 |
JPS62239728A (ja) | 1987-10-20 |
EP0240948B1 (de) | 1993-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |