TW376660B - Reducing the memory required for decompression by storing compressed information using DCT based techniques - Google Patents
Reducing the memory required for decompression by storing compressed information using DCT based techniquesInfo
- Publication number
- TW376660B TW376660B TW086117588A TW86117588A TW376660B TW 376660 B TW376660 B TW 376660B TW 086117588 A TW086117588 A TW 086117588A TW 86117588 A TW86117588 A TW 86117588A TW 376660 B TW376660 B TW 376660B
- Authority
- TW
- Taiwan
- Prior art keywords
- decoder
- frame
- memory
- dct
- module
- Prior art date
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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
- H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
- H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
- H04N19/428—Recompression, e.g. by spatial or temporal decimation
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/759,166 US6028635A (en) | 1996-12-03 | 1996-12-03 | Reducing the memory required for decompression by storing compressed information using DCT based techniques |
Publications (1)
Publication Number | Publication Date |
---|---|
TW376660B true TW376660B (en) | 1999-12-11 |
Family
ID=25054640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW086117588A TW376660B (en) | 1996-12-03 | 1997-11-24 | Reducing the memory required for decompression by storing compressed information using DCT based techniques |
Country Status (6)
Country | Link |
---|---|
US (2) | US6028635A (zh) |
EP (1) | EP0847203B1 (zh) |
JP (1) | JPH10229562A (zh) |
KR (1) | KR100781629B1 (zh) |
DE (1) | DE69735923D1 (zh) |
TW (1) | TW376660B (zh) |
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KR100273110B1 (ko) * | 1997-02-26 | 2000-12-01 | 윤종용 | 엠펙 시스템 디코더 및 이 디코더의 데이터 처리 방법 |
US6735253B1 (en) * | 1997-05-16 | 2004-05-11 | The Trustees Of Columbia University In The City Of New York | Methods and architecture for indexing and editing compressed video over the world wide web |
EP0925688B1 (en) * | 1997-07-16 | 2004-12-15 | Koninklijke Philips Electronics N.V. | Video coding method and device, and corresponding decoding device |
US6765625B1 (en) * | 1998-03-09 | 2004-07-20 | Divio, Inc. | Method and apparatus for bit-shuffling video data |
JP4214562B2 (ja) * | 1998-06-26 | 2009-01-28 | ソニー株式会社 | 復号装置 |
JP2000050272A (ja) * | 1998-07-31 | 2000-02-18 | Sony Corp | 復号化装置及び方法 |
US6414996B1 (en) * | 1998-12-08 | 2002-07-02 | Stmicroelectronics, Inc. | System, method and apparatus for an instruction driven digital video processor |
US20020114395A1 (en) * | 1998-12-08 | 2002-08-22 | Jefferson Eugene Owen | System method and apparatus for a motion compensation instruction generator |
US7844167B1 (en) | 1998-12-08 | 2010-11-30 | Stmicroelectronics, Inc. | System and apparatus for digital audio/video decoder splitting signal into component data streams for rendering at least two video signals |
US6490324B1 (en) | 1998-12-08 | 2002-12-03 | Stmicroelectronics, Inc. | System, method and apparatus for a variable output video decoder |
US6697061B1 (en) * | 1999-01-21 | 2004-02-24 | Hewlett-Packard Development Company, L.P. | Image compression featuring selective re-use of prior compression data |
US6807311B1 (en) * | 1999-07-08 | 2004-10-19 | Ati International Srl | Method and apparatus for compressing and storing image data |
KR100670824B1 (ko) * | 1999-07-31 | 2007-01-18 | 삼성전자주식회사 | 액정표시장치의 백라이트 어셈블리 |
FR2800550B1 (fr) * | 1999-11-03 | 2002-05-31 | St Microelectronics Sa | Circuit de decodage mpeg et d'affichage d'images et d'images incrustees |
US6459452B1 (en) * | 2000-03-31 | 2002-10-01 | Intel Corporation | System, method, and apparatus for decoding digital video sequences |
US6870963B2 (en) * | 2001-06-15 | 2005-03-22 | Qualcomm, Inc. | Configurable pattern optimizer |
US8275047B2 (en) * | 2001-09-20 | 2012-09-25 | Xilinx, Inc. | Method and device for block-based conditional motion compensation |
KR100830099B1 (ko) * | 2001-09-28 | 2008-05-20 | 엘지디스플레이 주식회사 | 액정표시장치의 백라이트 유닛 |
KR100477103B1 (ko) * | 2001-12-19 | 2005-03-18 | 삼성에스디아이 주식회사 | 금속유도화 측면결정화방법을 이용한 멀티플 게이트 박막트랜지스터 및 그의 제조방법 |
US8284844B2 (en) | 2002-04-01 | 2012-10-09 | Broadcom Corporation | Video decoding system supporting multiple standards |
US6937652B2 (en) * | 2002-04-19 | 2005-08-30 | Seiko Epson Corporation | Frame compression using radix approximation |
US7469012B2 (en) * | 2002-05-14 | 2008-12-23 | Broadcom Corporation | System and method for transcoding entropy-coded bitstreams |
US7398276B2 (en) * | 2002-05-30 | 2008-07-08 | Microsoft Corporation | Parallel predictive compression and access of a sequential list of executable instructions |
US20050105612A1 (en) * | 2003-11-14 | 2005-05-19 | Sung Chih-Ta S. | Digital video stream decoding method and apparatus |
US7519229B2 (en) * | 2004-03-30 | 2009-04-14 | Apple, Inc. | Video coding system providing separate coding chains for dynamically selected small-size or full-size playback |
US8290057B2 (en) | 2005-02-18 | 2012-10-16 | Mediatek Incorporation | Method of decoding a digital video sequence and related apparatus |
US9516326B1 (en) | 2005-12-09 | 2016-12-06 | Nvidia Corporation | Method for rotating macro-blocks of a frame of a video stream |
US9204158B2 (en) * | 2005-12-09 | 2015-12-01 | Nvidia Corporation | Hardware multi-standard video decoder device |
US9794593B1 (en) | 2005-12-09 | 2017-10-17 | Nvidia Corporation | Video decoder architecture for processing out-of-order macro-blocks of a video stream |
US20070189621A1 (en) * | 2006-02-15 | 2007-08-16 | Aten International Co., Ltd | Image transmission system |
US8671069B2 (en) | 2008-12-22 | 2014-03-11 | The Trustees Of Columbia University, In The City Of New York | Rapid image annotation via brain state decoding and visual pattern mining |
US8542737B2 (en) * | 2010-03-21 | 2013-09-24 | Human Monitoring Ltd. | Intra video image compression and decompression |
GB2485613B (en) * | 2010-11-22 | 2014-08-13 | Displaylink Uk Ltd | Display control device |
US9693064B2 (en) * | 2011-09-30 | 2017-06-27 | Avago Technologies General Ip (Singapore) Pte. Ltd | Video coding infrastructure using adaptive prediction complexity reduction |
US9386326B2 (en) | 2012-10-05 | 2016-07-05 | Nvidia Corporation | Video decoding error concealment techniques |
US9892707B2 (en) | 2013-03-14 | 2018-02-13 | Displaylink (Uk) Limited | Decompressing stored display data every frame refresh |
CN104954796B (zh) * | 2014-03-28 | 2019-06-11 | 联咏科技股份有限公司 | 视频处理装置与其视频处理电路 |
US10223810B2 (en) | 2016-05-28 | 2019-03-05 | Microsoft Technology Licensing, Llc | Region-adaptive hierarchical transform and entropy coding for point cloud compression, and corresponding decompression |
US11297346B2 (en) | 2016-05-28 | 2022-04-05 | Microsoft Technology Licensing, Llc | Motion-compensated compression of dynamic voxelized point clouds |
US10694210B2 (en) | 2016-05-28 | 2020-06-23 | Microsoft Technology Licensing, Llc | Scalable point cloud compression with transform, and corresponding decompression |
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FR2382049A1 (fr) * | 1977-02-23 | 1978-09-22 | Thomson Csf | Processeur pour terminal informatique utilisant un recepteur de television |
FR2666189B1 (fr) * | 1990-08-22 | 1992-12-04 | Sgs Thomson Microelectronics | Systeme de reglage des filtres de traitement du signal video composite dans un appareil secam multistandard. |
JP3308990B2 (ja) * | 1992-07-03 | 2002-07-29 | 松下電器産業株式会社 | 動画像の予測符号化方法及び予測符号化装置 |
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JPH07240844A (ja) * | 1993-03-19 | 1995-09-12 | Mitsubishi Electric Corp | 画像データ処理装置および画像データ処理方法 |
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JPH07226917A (ja) * | 1994-02-14 | 1995-08-22 | Toshiba Corp | 画像再生方式及び装置 |
US5576765A (en) * | 1994-03-17 | 1996-11-19 | International Business Machines, Corporation | Video decoder |
DE4416967A1 (de) * | 1994-05-13 | 1995-11-16 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zur Transcodierung von Bitströmen mit Videodaten |
DE4419678A1 (de) * | 1994-06-06 | 1995-12-07 | Sican Gmbh | Verfahren zur Speicherung von Bild-, Video- und Filminformation in Halbleiterspeichern |
ATE246864T1 (de) * | 1994-06-06 | 2003-08-15 | Sci Worx Gmbh | Verfahren zur codierung/decodierung eines datenstroms |
TW377935U (en) * | 1994-08-10 | 1999-12-21 | Gen Instrument Corp | Dram mapping for a digital video decompression processor |
TW245871B (en) * | 1994-08-15 | 1995-04-21 | Gen Instrument Corp | Method and apparatus for efficient addressing of dram in a video decompression processor |
US6480542B1 (en) * | 1994-08-24 | 2002-11-12 | Siemens Aktiengesellschaft | Method for decoding compressed video data with a reduced memory requirement |
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US5644361A (en) * | 1994-11-30 | 1997-07-01 | National Semiconductor Corporation | Subsampled frame storage technique for reduced memory size |
US5473376A (en) * | 1994-12-01 | 1995-12-05 | Motorola, Inc. | Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system |
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JP3552811B2 (ja) * | 1995-09-29 | 2004-08-11 | 三菱電機株式会社 | ディジタル映像信号符号化装置および復号化装置 |
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-
1996
- 1996-12-03 US US08/759,166 patent/US6028635A/en not_active Expired - Lifetime
-
1997
- 1997-11-24 TW TW086117588A patent/TW376660B/zh not_active IP Right Cessation
- 1997-11-25 DE DE69735923T patent/DE69735923D1/de not_active Expired - Lifetime
- 1997-11-25 EP EP97309486A patent/EP0847203B1/en not_active Expired - Lifetime
- 1997-12-02 KR KR1019970065222A patent/KR100781629B1/ko not_active IP Right Cessation
- 1997-12-03 JP JP9332594A patent/JPH10229562A/ja active Pending
-
1999
- 1999-12-20 US US09/468,242 patent/US6668019B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6668019B1 (en) | 2003-12-23 |
EP0847203A2 (en) | 1998-06-10 |
DE69735923D1 (de) | 2006-06-29 |
KR100781629B1 (ko) | 2008-11-18 |
EP0847203B1 (en) | 2006-05-24 |
US6028635A (en) | 2000-02-22 |
EP0847203A3 (en) | 2000-03-08 |
KR19980063690A (ko) | 1998-10-07 |
JPH10229562A (ja) | 1998-08-25 |
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Legal Events
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MM4A | Annulment or lapse of patent due to non-payment of fees |