KR100239349B1 - 역이산 코사인 변환기의 데이타 포멧 변환 회로 - Google Patents
역이산 코사인 변환기의 데이타 포멧 변환 회로 Download PDFInfo
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- KR100239349B1 KR100239349B1 KR1019960068798A KR19960068798A KR100239349B1 KR 100239349 B1 KR100239349 B1 KR 100239349B1 KR 1019960068798 A KR1019960068798 A KR 1019960068798A KR 19960068798 A KR19960068798 A KR 19960068798A KR 100239349 B1 KR100239349 B1 KR 100239349B1
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 10
- 239000013256 coordination polymer Substances 0.000 claims abstract description 27
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000013500 data storage Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/60—Rotation of whole images or parts thereof
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (5)
- 소정 단위의 저장 데이터를 순차적으로 출력하면서 동시에 소정 단위의 입력 데이타(DATA)를 순차적으로 저장하는 메모리 블럭과, 이 메모리 블럭의 2개 출력 단자를 교대로 선택하여 트랜스버스된 데이타를 전송하는 데이타 전송 수단과, 인에이블 신호(EN)가 온되면 클럭(CP)을 입력으로 상기 메모리 블럭에 소정 단위의 데이터가 저장될 때마다 그 메모리 블럭의 데이터 입출력 방향을 변환시키는 라이트 제어 수단과, 인에이블 신호(EN)가 온되면 클럭(CP)을 입력으로 상기 메모리 블럭에 소정 단위의 데이터가 저장될 때마다 상기 데이타 전송 수단의 선택 동작을 제어하는 리드 제어 수단으로 구성한 것을 특징으로 하는 역이산 코사인 변환기의 데이타 포멧 변환 회로.
- 제1항에 있어서, 메모리 블럭은 Muxed 플립플롭으로 구성한 것을 특징으로 하는 역이산 코사인 변환기의 데이타 포멧 변환 회로.
- 제1항에 있어서, 라이트 제어 수단은 메모리 블럭의 입출력 방향을 상하 또는 좌우로 교대로 전환시키기 위한 입출력 방향 선택 신호(M/S)를 생성하기 위하여 카운터를 포함하여 구성한 것을 특징으로 하는 역이산 코사인 변환기의 데이타 포멧 변환 회로.
- 제1항에 있어서, 리드 제어 수단은 데이타 전송 수단과 메모리 블럭의 2개의 출력 단자를 교대로 선택하도록 제어하기 위한 절환 신호(I/S)를 출력하기 위하여 카운터를 포함하여 구성한 것을 특징으로 하는 역이산 코사인 변환기의 데이타 포멧 변환 회로.
- 제1항에 있어서, 데이타 전송 수단은 리드 제어 수단의 절환 신호(I/S)에 따라 2개의 입력단자(I0, I1)중 하나로 절환되는 복수의 멀티플렉서로 구성한 것을 특징으로 하는 역이산 코사인 변환기의 데이타 포멧 변환 회로.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960068798A KR100239349B1 (ko) | 1996-12-20 | 1996-12-20 | 역이산 코사인 변환기의 데이타 포멧 변환 회로 |
JP35088097A JP3108672B2 (ja) | 1996-12-20 | 1997-12-19 | マトリックス状の映像信号を転置する方法及び装置 |
US08/994,543 US6353633B1 (en) | 1996-12-20 | 1997-12-19 | Device and methods for transposing matrix of video signal and T.V. receiver employing the same |
US09/940,533 US6404816B1 (en) | 1996-12-20 | 2001-08-29 | Device and method for transposing matrix of video signal and T.V. receiver employing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960068798A KR100239349B1 (ko) | 1996-12-20 | 1996-12-20 | 역이산 코사인 변환기의 데이타 포멧 변환 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980050045A KR19980050045A (ko) | 1998-09-15 |
KR100239349B1 true KR100239349B1 (ko) | 2000-01-15 |
Family
ID=19489662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960068798A Expired - Fee Related KR100239349B1 (ko) | 1996-12-20 | 1996-12-20 | 역이산 코사인 변환기의 데이타 포멧 변환 회로 |
Country Status (3)
Country | Link |
---|---|
US (2) | US6353633B1 (ko) |
JP (1) | JP3108672B2 (ko) |
KR (1) | KR100239349B1 (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11122624A (ja) * | 1997-10-16 | 1999-04-30 | Matsushita Electric Ind Co Ltd | ビデオデコーダ処理量を低減する方法および装置 |
GB2343319B (en) * | 1998-10-27 | 2003-02-26 | Nokia Mobile Phones Ltd | Video coding |
JP2003517797A (ja) | 1999-12-14 | 2003-05-27 | サイエンティフィック−アトランタ, インコーポレイテッド | 調和されたリソースの割当てを有するビデオ信号を適応的に復号化するシステムおよび方法 |
JP2003168287A (ja) * | 2001-07-24 | 2003-06-13 | Toshiba Corp | メモリモジュール、メモリシステム、および、データ転送方法 |
US20030084081A1 (en) * | 2001-10-27 | 2003-05-01 | Bedros Hanounik | Method and apparatus for transposing a two dimensional array |
US7068280B1 (en) * | 2001-12-14 | 2006-06-27 | Cirrus Logic, Inc. | Method and apparatus to provide overlay buffering |
US7681013B1 (en) | 2001-12-31 | 2010-03-16 | Apple Inc. | Method for variable length decoding using multiple configurable look-up tables |
US6877020B1 (en) * | 2001-12-31 | 2005-04-05 | Apple Computer, Inc. | Method and apparatus for matrix transposition |
US7034849B1 (en) * | 2001-12-31 | 2006-04-25 | Apple Computer, Inc. | Method and apparatus for image blending |
US7274857B2 (en) * | 2001-12-31 | 2007-09-25 | Scientific-Atlanta, Inc. | Trick modes for compressed video streams |
US6931061B2 (en) * | 2002-11-13 | 2005-08-16 | Sony Corporation | Method of real time MPEG-4 texture decoding for a multiprocessor environment |
US8423597B1 (en) * | 2003-08-29 | 2013-04-16 | Nvidia Corporation | Method and system for adaptive matrix trimming in an inverse discrete cosine transform (IDCT) operation |
US7966642B2 (en) * | 2003-09-15 | 2011-06-21 | Nair Ajith N | Resource-adaptive management of video storage |
US8600217B2 (en) * | 2004-07-14 | 2013-12-03 | Arturo A. Rodriguez | System and method for improving quality of displayed picture during trick modes |
US20070047655A1 (en) * | 2005-08-26 | 2007-03-01 | Vannerson Eric F | Transpose buffering for video processing |
US7966509B2 (en) * | 2006-05-30 | 2011-06-21 | Nvidia Corporation | System and method for performing low power dynamic trimming |
US20090033791A1 (en) * | 2007-07-31 | 2009-02-05 | Scientific-Atlanta, Inc. | Video processing systems and methods |
US8300696B2 (en) * | 2008-07-25 | 2012-10-30 | Cisco Technology, Inc. | Transcoding for systems operating under plural video coding specifications |
US8971413B2 (en) * | 2010-05-24 | 2015-03-03 | Intel Corporation | Techniques for storing and retrieving pixel data |
US9798698B2 (en) | 2012-08-13 | 2017-10-24 | Nvidia Corporation | System and method for multi-color dilu preconditioner |
US9998750B2 (en) | 2013-03-15 | 2018-06-12 | Cisco Technology, Inc. | Systems and methods for guided conversion of video from a first to a second compression format |
JP2018132901A (ja) * | 2017-02-14 | 2018-08-23 | 富士通株式会社 | 演算処理装置および演算処理装置の制御方法 |
US9952831B1 (en) | 2017-02-16 | 2018-04-24 | Google Llc | Transposing in a matrix-vector processor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05798Y2 (ko) * | 1986-11-29 | 1993-01-11 |
Family Cites Families (20)
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DE3177302T2 (de) * | 1980-04-11 | 1994-01-27 | Ampex | Interpolationsfilter für Bildveränderungssystem. |
JPS6238075A (ja) * | 1985-08-13 | 1987-02-19 | Fuji Xerox Co Ltd | 行列デ−タの転置処理装置 |
FR2617621B1 (fr) * | 1987-07-03 | 1989-12-01 | Thomson Semiconducteurs | Memoire de transposition pour circuit de traitement de donnees |
US5267185A (en) * | 1989-04-14 | 1993-11-30 | Sharp Kabushiki Kaisha | Apparatus for calculating matrices |
FR2646046B1 (fr) * | 1989-04-18 | 1995-08-25 | France Etat | Procede et dispositif de compression de donnees d'image par transformation mathematique a cout reduit de mise en oeuvre, notamment pour la transmission a debit reduit de sequences d'images |
JP2964172B2 (ja) * | 1991-03-08 | 1999-10-18 | 富士通株式会社 | Dctマトリクス演算回路 |
US5226002A (en) * | 1991-06-28 | 1993-07-06 | Industrial Technology Research Institute | Matrix multiplier circuit |
JPH0573669A (ja) | 1991-09-17 | 1993-03-26 | Canon Inc | 画像処理装置 |
US5418487A (en) | 1992-09-04 | 1995-05-23 | Benchmarg Microelectronics, Inc. | Fuse state sense circuit |
JP3340532B2 (ja) | 1993-10-20 | 2002-11-05 | 株式会社日立製作所 | ビデオの検索方法および装置 |
US5481487A (en) * | 1994-01-28 | 1996-01-02 | Industrial Technology Research Institute | Transpose memory for DCT/IDCT circuit |
US5550765A (en) * | 1994-05-13 | 1996-08-27 | Lucent Technologies Inc. | Method and apparatus for transforming a multi-dimensional matrix of coefficents representative of a signal |
JP2823809B2 (ja) | 1995-01-26 | 1998-11-11 | 株式会社グラフィックス・コミュニケーション・ラボラトリーズ | 画像復号化方法及び画像復号化装置 |
US5867601A (en) * | 1995-10-20 | 1999-02-02 | Matsushita Electric Corporation Of America | Inverse discrete cosine transform processor using parallel processing |
KR0175733B1 (ko) * | 1995-11-01 | 1999-04-15 | 이준 | 비트-시리얼 메트릭스 전치를 위한 초대규모 집적회로 |
US5815421A (en) * | 1995-12-18 | 1998-09-29 | Intel Corporation | Method for transposing a two-dimensional array |
US5854757A (en) * | 1996-05-07 | 1998-12-29 | Lsi Logic Corporation | Super-compact hardware architecture for IDCT computation |
US6026217A (en) * | 1996-06-21 | 2000-02-15 | Digital Equipment Corporation | Method and apparatus for eliminating the transpose buffer during a decomposed forward or inverse 2-dimensional discrete cosine transform through operand decomposition storage and retrieval |
US6064404A (en) * | 1996-11-05 | 2000-05-16 | Silicon Light Machines | Bandwidth and frame buffer size reduction in a digital pulse-width-modulated display system |
JP3845920B2 (ja) * | 1996-11-26 | 2006-11-15 | ソニー株式会社 | 行列転置装置 |
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1996
- 1996-12-20 KR KR1019960068798A patent/KR100239349B1/ko not_active Expired - Fee Related
-
1997
- 1997-12-19 US US08/994,543 patent/US6353633B1/en not_active Expired - Lifetime
- 1997-12-19 JP JP35088097A patent/JP3108672B2/ja not_active Expired - Fee Related
-
2001
- 2001-08-29 US US09/940,533 patent/US6404816B1/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05798Y2 (ko) * | 1986-11-29 | 1993-01-11 |
Also Published As
Publication number | Publication date |
---|---|
JPH10191239A (ja) | 1998-07-21 |
KR19980050045A (ko) | 1998-09-15 |
JP3108672B2 (ja) | 2000-11-13 |
US20020025002A1 (en) | 2002-02-28 |
US6404816B1 (en) | 2002-06-11 |
US6353633B1 (en) | 2002-03-05 |
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