DE3872424D1 - Fernsehuebertragungssystem mit verwendung von transformationskodierung. - Google Patents
Fernsehuebertragungssystem mit verwendung von transformationskodierung.Info
- Publication number
- DE3872424D1 DE3872424D1 DE8888200639T DE3872424T DE3872424D1 DE 3872424 D1 DE3872424 D1 DE 3872424D1 DE 8888200639 T DE8888200639 T DE 8888200639T DE 3872424 T DE3872424 T DE 3872424T DE 3872424 D1 DE3872424 D1 DE 3872424D1
- Authority
- DE
- Germany
- Prior art keywords
- elements
- sum
- picture
- sub
- nxn
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Algebra (AREA)
- Discrete Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Complex Calculations (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8700843A NL8700843A (nl) | 1987-04-10 | 1987-04-10 | Televisie-overdrachtsysteem met transformcoding. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3872424D1 true DE3872424D1 (de) | 1992-08-06 |
DE3872424T2 DE3872424T2 (de) | 1993-02-18 |
Family
ID=19849837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888200639T Expired - Fee Related DE3872424T2 (de) | 1987-04-10 | 1988-04-06 | Fernsehuebertragungssystem mit verwendung von transformationskodierung. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4831440A (de) |
EP (1) | EP0286183B1 (de) |
JP (1) | JP2630802B2 (de) |
KR (1) | KR970004533B1 (de) |
CN (1) | CN1009414B (de) |
AT (1) | ATE77907T1 (de) |
DE (1) | DE3872424T2 (de) |
NL (1) | NL8700843A (de) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6336180B1 (en) | 1997-04-30 | 2002-01-01 | Canon Kabushiki Kaisha | Method, apparatus and system for managing virtual memory with virtual-physical mapping |
EP0576749B1 (de) * | 1992-06-30 | 1999-06-02 | Discovision Associates | Datenpipelinesystem |
GB9405914D0 (en) * | 1994-03-24 | 1994-05-11 | Discovision Ass | Video decompression |
FR2626693B1 (fr) * | 1987-12-03 | 1990-08-10 | France Etat | Dispositif et procede a memoire tampon, notamment pour la transposition matricielle ligne-colonne de sequences de donnees |
NL8801154A (nl) * | 1988-05-03 | 1989-12-01 | Philips Nv | Televisie-overdrachtsysteem met overdracht van basisbeeldgewichtsfaktoren. |
NL8801207A (nl) * | 1988-05-09 | 1989-12-01 | Philips Nv | Televisie-overdrachtsysteem met differentiele kodering van transformatie coefficienten. |
US4941043A (en) * | 1988-06-14 | 1990-07-10 | Siemens Aktiengesellschaft | Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate |
JP2666411B2 (ja) * | 1988-10-04 | 1997-10-22 | 三菱電機株式会社 | 二次元離散データ直交変換用集積回路装置 |
JPH02226886A (ja) * | 1989-02-28 | 1990-09-10 | Sony Corp | データ伝送装置及び伝送方法 |
JPH02249380A (ja) * | 1989-03-22 | 1990-10-05 | Toshiba Corp | 画像記録再生装置 |
US5008848A (en) * | 1989-05-30 | 1991-04-16 | North American Philips Corporation | Circuit for performing S-transform |
IT1235263B (it) * | 1989-06-02 | 1992-06-26 | Sgs Thomson Microelectronics | Metodo e dispositivo per il calcolo aritmetico di trasformate bidimensionali. |
US5053985A (en) * | 1989-10-19 | 1991-10-01 | Zoran Corporation | Recycling dct/idct integrated circuit apparatus using a single multiplier/accumulator and a single random access memory |
US5450557A (en) * | 1989-11-07 | 1995-09-12 | Loral Aerospace Corp. | Single-chip self-configurable parallel processor |
US5253275A (en) * | 1991-01-07 | 1993-10-12 | H. Lee Browne | Audio and video transmission and receiving system |
US5649029A (en) * | 1991-03-15 | 1997-07-15 | Galbi; David E. | MPEG audio/video decoder |
JP2530090B2 (ja) * | 1992-02-28 | 1996-09-04 | 三星電子株式会社 | 映像信号符号化装置 |
KR0135873B1 (ko) * | 1992-03-14 | 1998-05-15 | 강진구 | 디지탈 자기기록재생방법 및 장치 |
GB2266208B (en) * | 1992-04-07 | 1995-10-11 | Sony Broadcast & Communication | Image data processing apparatus and method |
EP0566184A3 (de) * | 1992-04-13 | 1994-11-17 | Philips Electronics Nv | Bildwandler sowie Fernsehsystem mit einem Sender und einem Empfänger mit einem Bildwandler. |
EP0575675B1 (de) * | 1992-06-26 | 1998-11-25 | Discovision Associates | Verfahren und Vorrichtung für die Transformation von Signalen aus einem Frequenzbereich im Zeitbereich |
US6330665B1 (en) | 1992-06-30 | 2001-12-11 | Discovision Associates | Video parser |
US5768561A (en) * | 1992-06-30 | 1998-06-16 | Discovision Associates | Tokens-based adaptive video processing arrangement |
US6435737B1 (en) | 1992-06-30 | 2002-08-20 | Discovision Associates | Data pipeline system and data encoding method |
US6079009A (en) * | 1992-06-30 | 2000-06-20 | Discovision Associates | Coding standard token in a system compromising a plurality of pipeline stages |
US6112017A (en) * | 1992-06-30 | 2000-08-29 | Discovision Associates | Pipeline processing machine having a plurality of reconfigurable processing stages interconnected by a two-wire interface bus |
US5784631A (en) * | 1992-06-30 | 1998-07-21 | Discovision Associates | Huffman decoder |
US6067417A (en) * | 1992-06-30 | 2000-05-23 | Discovision Associates | Picture start token |
US7095783B1 (en) | 1992-06-30 | 2006-08-22 | Discovision Associates | Multistandard video decoder and decompression system for processing encoded bit streams including start codes and methods relating thereto |
US5809270A (en) * | 1992-06-30 | 1998-09-15 | Discovision Associates | Inverse quantizer |
US6047112A (en) * | 1992-06-30 | 2000-04-04 | Discovision Associates | Technique for initiating processing of a data stream of encoded video information |
US5339265A (en) * | 1992-08-31 | 1994-08-16 | University Of Maryland At College Park | Optimal unified architectures for the real-time computation of time-recursive discrete sinusoidal transforms |
US5614952A (en) * | 1994-10-11 | 1997-03-25 | Hitachi America, Ltd. | Digital video decoder for decoding digital high definition and/or digital standard definition television signals |
US5345408A (en) * | 1993-04-19 | 1994-09-06 | Gi Corporation | Inverse discrete cosine transform processor |
US5861894A (en) * | 1993-06-24 | 1999-01-19 | Discovision Associates | Buffer manager |
US5805914A (en) * | 1993-06-24 | 1998-09-08 | Discovision Associates | Data pipeline system and data encoding method |
US5699544A (en) * | 1993-06-24 | 1997-12-16 | Discovision Associates | Method and apparatus for using a fixed width word for addressing variable width data |
CA2145365C (en) * | 1994-03-24 | 1999-04-27 | Anthony M. Jones | Method for accessing banks of dram |
CA2145363C (en) * | 1994-03-24 | 1999-07-13 | Anthony Mark Jones | Ram interface |
CA2145379C (en) * | 1994-03-24 | 1999-06-08 | William P. Robbins | Method and apparatus for addressing memory |
US6217234B1 (en) * | 1994-07-29 | 2001-04-17 | Discovision Associates | Apparatus and method for processing data with an arithmetic unit |
GB9417138D0 (en) | 1994-08-23 | 1994-10-12 | Discovision Ass | Data rate conversion |
JP3058028B2 (ja) * | 1994-10-31 | 2000-07-04 | 三菱電機株式会社 | 画像符号化データ再符号化装置 |
US6006245A (en) * | 1996-12-20 | 1999-12-21 | Compaq Computer Corporation | Enhanced fast fourier transform technique on vector processor with operand routing and slot-selectable operation |
AUPO648397A0 (en) | 1997-04-30 | 1997-05-22 | Canon Information Systems Research Australia Pty Ltd | Improvements in multiprocessor architecture operation |
US6311258B1 (en) | 1997-04-03 | 2001-10-30 | Canon Kabushiki Kaisha | Data buffer apparatus and method for storing graphical data using data encoders and decoders |
US6707463B1 (en) | 1997-04-30 | 2004-03-16 | Canon Kabushiki Kaisha | Data normalization technique |
US6349379B2 (en) | 1997-04-30 | 2002-02-19 | Canon Kabushiki Kaisha | System for executing instructions having flag for indicating direct or indirect specification of a length of operand data |
AUPO647997A0 (en) | 1997-04-30 | 1997-05-22 | Canon Information Systems Research Australia Pty Ltd | Memory controller architecture |
US6061749A (en) | 1997-04-30 | 2000-05-09 | Canon Kabushiki Kaisha | Transformation of a first dataword received from a FIFO into an input register and subsequent dataword from the FIFO into a normalized output dataword |
CN100452880C (zh) * | 2006-06-09 | 2009-01-14 | 清华大学 | 一种用于视频编码的整数离散余弦变换方法 |
CN101106714A (zh) * | 2007-07-29 | 2008-01-16 | 浙江大学 | 应用于视频和图像处理的变换方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4385363A (en) * | 1978-12-15 | 1983-05-24 | Compression Labs, Inc. | Discrete cosine transformer |
US4302775A (en) * | 1978-12-15 | 1981-11-24 | Compression Labs, Inc. | Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback |
US4293920A (en) * | 1979-09-04 | 1981-10-06 | Merola Pasquale A | Two-dimensional transform processor |
NL8003873A (nl) * | 1980-07-04 | 1982-02-01 | Philips Nv | Werkwijze voor het digitaliseren van een tijd-discreet videosignaal met toepassing van een beeld-transformatie. |
NL8004521A (nl) * | 1980-08-08 | 1982-03-01 | Philips Nv | Werkwijze voor het digitaliseren van een kleuren-videosignaal. |
US4449194A (en) * | 1981-09-25 | 1984-05-15 | Motorola Inc. | Multiple point, discrete cosine processor |
US4491937A (en) * | 1982-02-25 | 1985-01-01 | Trw Inc. | Multiport register file |
US4554645A (en) * | 1983-03-10 | 1985-11-19 | International Business Machines Corporation | Multi-port register implementation |
JPS6039988A (ja) * | 1983-08-15 | 1985-03-02 | Nec Corp | 画像信号変換装置 |
FR2561011B1 (fr) * | 1984-03-09 | 1986-09-12 | Cit Alcatel | Processeur de calcul d'une transformee discrete inverse du cosinus |
FR2561010B1 (fr) * | 1984-03-09 | 1986-09-12 | Cit Alcatel | Processeur de calcul d'une transformee discrete du cosinus |
JPS60220466A (ja) * | 1984-04-17 | 1985-11-05 | Fujitsu Ltd | 高速フ−リエ変換装置 |
FR2581463B1 (fr) * | 1985-05-03 | 1989-09-08 | Thomson Csf | Dispositifs de calcul de transformees cosinus, dispositif de codage et dispositif de decodage d'images comportant de tels dispositifs de calcul |
FR2582424B1 (fr) * | 1985-05-22 | 1989-06-30 | Guichard Jacques | Circuit de calcul rapide de la transformee en cosinus, directe ou inverse, d'un signal discret |
-
1987
- 1987-04-10 NL NL8700843A patent/NL8700843A/nl not_active Application Discontinuation
-
1988
- 1988-03-24 US US07/172,603 patent/US4831440A/en not_active Expired - Fee Related
- 1988-04-04 JP JP63082872A patent/JP2630802B2/ja not_active Expired - Lifetime
- 1988-04-06 AT AT88200639T patent/ATE77907T1/de not_active IP Right Cessation
- 1988-04-06 DE DE8888200639T patent/DE3872424T2/de not_active Expired - Fee Related
- 1988-04-06 EP EP88200639A patent/EP0286183B1/de not_active Expired - Lifetime
- 1988-04-07 CN CN88102019A patent/CN1009414B/zh not_active Expired
- 1988-04-09 KR KR88004034A patent/KR970004533B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN1009414B (zh) | 1990-08-29 |
JPS6419887A (en) | 1989-01-23 |
KR970004533B1 (en) | 1997-03-28 |
DE3872424T2 (de) | 1993-02-18 |
JP2630802B2 (ja) | 1997-07-16 |
CN88102019A (zh) | 1988-12-21 |
EP0286183A1 (de) | 1988-10-12 |
KR880013400A (ko) | 1988-11-30 |
EP0286183B1 (de) | 1992-07-01 |
US4831440A (en) | 1989-05-16 |
ATE77907T1 (de) | 1992-07-15 |
NL8700843A (nl) | 1988-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |