DE69726042D1 - Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich - Google Patents
Abwärtsabtastung über schnell-DCT-Domänen und inverser BewegungsausgleichInfo
- Publication number
- DE69726042D1 DE69726042D1 DE69726042T DE69726042T DE69726042D1 DE 69726042 D1 DE69726042 D1 DE 69726042D1 DE 69726042 T DE69726042 T DE 69726042T DE 69726042 T DE69726042 T DE 69726042T DE 69726042 D1 DE69726042 D1 DE 69726042D1
- Authority
- DE
- Germany
- Prior art keywords
- downsampling
- motion compensation
- inverse motion
- over fast
- fast dct
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4084—Transform-based scaling, e.g. FFT domain scaling
-
- 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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- 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
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US611922 | 1996-03-06 | ||
US08/611,922 US5708732A (en) | 1996-03-06 | 1996-03-06 | Fast DCT domain downsampling and inverse motion compensation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69726042D1 true DE69726042D1 (de) | 2003-12-18 |
DE69726042T2 DE69726042T2 (de) | 2004-06-03 |
Family
ID=24450949
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69726042T Expired - Lifetime DE69726042T2 (de) | 1996-03-06 | 1997-03-06 | Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich |
DE69722060T Expired - Lifetime DE69722060T2 (de) | 1996-03-06 | 1997-03-06 | Inverser Bewegungsausgleich von schneller DCT |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69722060T Expired - Lifetime DE69722060T2 (de) | 1996-03-06 | 1997-03-06 | Inverser Bewegungsausgleich von schneller DCT |
Country Status (4)
Country | Link |
---|---|
US (1) | US5708732A (de) |
EP (2) | EP0794674B1 (de) |
JP (2) | JP4006047B2 (de) |
DE (2) | DE69726042T2 (de) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100192270B1 (ko) * | 1996-02-03 | 1999-06-15 | 구자홍 | 에이치디티브이 비데오 디코더 회로 |
JP3575508B2 (ja) * | 1996-03-04 | 2004-10-13 | Kddi株式会社 | 符号化動画像再生装置 |
US5832135A (en) * | 1996-03-06 | 1998-11-03 | Hewlett-Packard Company | Fast method and apparatus for filtering compressed images in the DCT domain |
DE69614675T2 (de) * | 1996-06-28 | 2001-12-06 | St Microelectronics Srl | MPEG-2 Dekodierung mit reduziertem RAM Bedürfnis durch ADPCM Rekomprimierung vor der Speicherung von dekomprimierten MPEG-2 Daten, wahlweise nach einem Unterabtastungsalgorithmus |
JP3263807B2 (ja) * | 1996-09-09 | 2002-03-11 | ソニー株式会社 | 画像符号化装置および画像符号化方法 |
US6144698A (en) * | 1996-10-31 | 2000-11-07 | Mitsubishi Electric Information Technology Center America, Inc. (Ita) | Digital video decoder and method of decoding a digital video signal |
US6859495B1 (en) | 1996-10-31 | 2005-02-22 | Mitsubishi Electric Research Laboratories, Inc. | Digital video format converter and method therefor |
US6028635A (en) * | 1996-12-03 | 2000-02-22 | Stmicroelectronics, Inc. | Reducing the memory required for decompression by storing compressed information using DCT based techniques |
US6108027A (en) * | 1996-12-17 | 2000-08-22 | Netergy Networks, Inc. | Progressive still frame mode |
US6115070A (en) * | 1997-06-12 | 2000-09-05 | International Business Machines Corporation | System and method for DCT domain inverse motion compensation using shared information |
US6067384A (en) * | 1997-09-11 | 2000-05-23 | Canon Kabushiki Kaisha | Fast scaling of JPEG images |
CN1179568C (zh) * | 1997-11-14 | 2004-12-08 | 索尼电子有限公司 | 数字视频图象的1/4尺寸实时解码 |
US6157740A (en) * | 1997-11-17 | 2000-12-05 | International Business Machines Corporation | Compression/decompression engine for enhanced memory storage in MPEG decoder |
US6061400A (en) * | 1997-11-20 | 2000-05-09 | Hitachi America Ltd. | Methods and apparatus for detecting scene conditions likely to cause prediction errors in reduced resolution video decoders and for using the detected information |
US5956026A (en) * | 1997-12-19 | 1999-09-21 | Sharp Laboratories Of America, Inc. | Method for hierarchical summarization and browsing of digital video |
US6104441A (en) * | 1998-04-29 | 2000-08-15 | Hewlett Packard Company | System for editing compressed image sequences |
US6134571A (en) * | 1998-04-29 | 2000-10-17 | Hewlett-Packard Company | Implicit DST-based filter operating in the DCT domain |
US6222944B1 (en) * | 1998-05-07 | 2001-04-24 | Sarnoff Corporation | Down-sampling MPEG image decoder |
WO1999066449A1 (en) * | 1998-06-19 | 1999-12-23 | Equator Technologies, Inc. | Decoding an encoded image having a first resolution directly into a decoded image having a second resolution |
US6445828B1 (en) * | 1998-09-28 | 2002-09-03 | Thomson Licensing S.A. | Transform domain resizing of an image compressed with field encoded blocks |
US6452969B1 (en) * | 1998-09-28 | 2002-09-17 | Thomson Licensing S.A. | Transform domain inverse motion compensation having fractional pel accuracy |
JP2002526998A (ja) * | 1998-09-29 | 2002-08-20 | サーノフ コーポレイション | ブロック動きビデオのコード化及びデコード化 |
US6188728B1 (en) * | 1998-09-29 | 2001-02-13 | Sarnoff Corporation | Block motion video coding and decoding |
US6487249B2 (en) * | 1998-10-09 | 2002-11-26 | Matsushita Electric Industrial Co., Ltd. | Efficient down conversion system for 2:1 decimation |
US6249549B1 (en) * | 1998-10-09 | 2001-06-19 | Matsushita Electric Industrial Co., Ltd. | Down conversion system using a pre-decimation filter |
US6192157B1 (en) | 1998-10-27 | 2001-02-20 | Hewlett-Packard Company | Modifications of postscript adaptive data compression (ADC) for 3 plane, 8 bit color images, JPEG lossy compression, and variable Q factors |
FI107108B (fi) * | 1998-11-05 | 2001-05-31 | Nokia Mobile Phones Ltd | Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä |
KR100312421B1 (ko) | 1998-11-25 | 2001-12-12 | 오길록 | 영상시스템에서의압축동영상변환장치및그방법 |
US6658167B1 (en) | 1999-01-31 | 2003-12-02 | Hewlett-Packard Development Company, L.P. | On the fly server for modifying data characteristics for client-server network applications |
US6633673B1 (en) | 1999-06-17 | 2003-10-14 | Hewlett-Packard Development Company, L.P. | Fast fade operation on MPEG video or other compressed data |
US6490323B1 (en) | 1999-06-17 | 2002-12-03 | Hewlett-Packard Company | Fast compressed domain processing using orthogonality |
US7542068B2 (en) * | 2000-01-13 | 2009-06-02 | Polycom, Inc. | Method and system for controlling multimedia video communication |
US6300973B1 (en) | 2000-01-13 | 2001-10-09 | Meir Feder | Method and system for multimedia communication control |
US7146053B1 (en) | 2000-05-10 | 2006-12-05 | International Business Machines Corporation | Reordering of compressed data |
US6941019B1 (en) | 2000-05-10 | 2005-09-06 | International Business Machines Corporation | Reentry into compressed data |
US7062098B1 (en) * | 2000-05-12 | 2006-06-13 | International Business Machines Corporation | Method and apparatus for the scaling down of data |
US6970179B1 (en) | 2000-05-12 | 2005-11-29 | International Business Machines Corporation | Method and apparatus for the scaling up of data |
US6807310B1 (en) * | 2000-05-23 | 2004-10-19 | The Board Of Trustees Of The University Of Illinois | Transformation of image parts in different domains to obtain resultant image size different from initial image size |
US6647061B1 (en) * | 2000-06-09 | 2003-11-11 | General Instrument Corporation | Video size conversion and transcoding from MPEG-2 to MPEG-4 |
US7471834B2 (en) * | 2000-07-24 | 2008-12-30 | Vmark, Inc. | Rapid production of reduced-size images from compressed video streams |
US6934334B2 (en) * | 2000-10-02 | 2005-08-23 | Kabushiki Kaisha Toshiba | Method of transcoding encoded video data and apparatus which transcodes encoded video data |
KR100407691B1 (ko) * | 2000-12-21 | 2003-12-01 | 한국전자통신연구원 | 계층탐색을 이용한 움직임 추정장치 및 방법 |
US20020122491A1 (en) * | 2001-01-03 | 2002-09-05 | Marta Karczewicz | Video decoder architecture and method for using same |
US6901422B1 (en) * | 2001-03-21 | 2005-05-31 | Apple Computer, Inc. | Matrix multiplication in a vector processing system |
EP1246469A3 (de) * | 2001-03-27 | 2005-04-13 | Koninklijke Philips Electronics N.V. | Verfahren zur gleichzeitigen Abwärts-Videoformatumwandlung und Videodekodierung |
JP3971135B2 (ja) * | 2001-07-11 | 2007-09-05 | 株式会社テクノマセマティカル | Dct行列分解方法及びdct装置 |
JP2003116104A (ja) * | 2001-10-02 | 2003-04-18 | Sony Corp | 情報処理装置及び情報処理方法 |
US20030202603A1 (en) * | 2002-04-12 | 2003-10-30 | William Chen | Method and apparatus for fast inverse motion compensation using factorization and integer approximation |
US7469012B2 (en) * | 2002-05-14 | 2008-12-23 | Broadcom Corporation | System and method for transcoding entropy-coded bitstreams |
US7050656B2 (en) * | 2002-12-11 | 2006-05-23 | Seiko Epson Corporation | Image scaling in the compressed domain |
US7221708B1 (en) * | 2002-12-16 | 2007-05-22 | Emblaze V Con Ltd | Apparatus and method for motion compensation |
WO2005079054A1 (ja) * | 2004-02-17 | 2005-08-25 | Toa Corporation | 画像圧縮装置 |
US7773815B2 (en) * | 2004-07-14 | 2010-08-10 | Hewlett-Packard Development Company, L.P. | System and method for compressing compressed data |
US20060072659A1 (en) * | 2004-10-01 | 2006-04-06 | Samsung Electronics Co., Ltd. | Method for transmitting moving picutres in mobile communication terminal |
EP1741389A1 (de) * | 2005-07-06 | 2007-01-10 | Agfa-Gevaert | Verfahren zur Unterdrückung des Einflusses der Variabilität der physikalischen Eigenschaft auf die Leistung der Bildqualität eines digitalen Bildaufnahmesytem |
US7831785B2 (en) * | 2007-04-30 | 2010-11-09 | Hewlett-Packard Development Company, L.P. | Data collection management system and method |
US8780988B2 (en) * | 2008-02-28 | 2014-07-15 | Vixs Systems, Inc. | Hierarchical video analysis-based real-time perceptual video coding |
KR100948413B1 (ko) | 2008-03-05 | 2010-03-19 | 경희대학교 산학협력단 | 정수 dct 변환 영역에서 영상 블록의 업/다운 샘플링방법 및 그 장치 |
DE102010010736A1 (de) * | 2010-03-09 | 2011-09-15 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Verfahren zur Kompression von Bilddaten |
EP2556669A1 (de) | 2010-04-07 | 2013-02-13 | Linear Algebra Technologies Limited | Rundfunkvideodecoder mit verringertem speicher und geeigneten verarbeitungsanforderungen für tragbare und mobile anwendungen |
WO2012016354A1 (en) | 2010-08-04 | 2012-02-09 | Nxp B.V. | Video player |
EP2617192A4 (de) | 2010-09-17 | 2014-03-19 | Icvt Ltd | Verfahren zur klassifizierung eines chroma-downsampling-fehlers |
US10277915B2 (en) * | 2011-11-07 | 2019-04-30 | Qualcomm Incorporated | Signaling quantization matrices for video coding |
WO2013173292A1 (en) | 2012-05-14 | 2013-11-21 | Motorola Mobility Llc | Scalable video coding with enhanced base layer |
US10009069B2 (en) | 2014-05-05 | 2018-06-26 | Nxp B.V. | Wireless power delivery and data link |
US10014578B2 (en) | 2014-05-05 | 2018-07-03 | Nxp B.V. | Body antenna system |
US9819075B2 (en) | 2014-05-05 | 2017-11-14 | Nxp B.V. | Body communication antenna |
US9819395B2 (en) | 2014-05-05 | 2017-11-14 | Nxp B.V. | Apparatus and method for wireless body communication |
US10015604B2 (en) | 2014-05-05 | 2018-07-03 | Nxp B.V. | Electromagnetic induction field communication |
US9812788B2 (en) | 2014-11-24 | 2017-11-07 | Nxp B.V. | Electromagnetic field induction for inter-body and transverse body communication |
US9819097B2 (en) | 2015-08-26 | 2017-11-14 | Nxp B.V. | Antenna system |
US10320086B2 (en) | 2016-05-04 | 2019-06-11 | Nxp B.V. | Near-field electromagnetic induction (NFEMI) antenna |
CN115147501B (zh) * | 2022-09-05 | 2022-12-02 | 深圳市明源云科技有限公司 | 图片解压方法、装置、终端设备以及存储介质 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04211575A (ja) * | 1990-04-27 | 1992-08-03 | Ricoh Co Ltd | 直交変換演算装置 |
US5168375A (en) * | 1991-09-18 | 1992-12-01 | Polaroid Corporation | Image reconstruction by use of discrete cosine and related transforms |
JP3104334B2 (ja) * | 1991-10-17 | 2000-10-30 | ソニー株式会社 | 画像符号化装置 |
JP2871316B2 (ja) * | 1992-07-10 | 1999-03-17 | 日本ビクター株式会社 | 動画像符号化装置 |
JP3381855B2 (ja) * | 1992-12-28 | 2003-03-04 | ソニー株式会社 | 画像信号符号化方法および画像信号符号化装置、並びに画像信号復号化方法および画像信号復号化装置 |
JPH06225213A (ja) * | 1993-01-26 | 1994-08-12 | Fuji Film Micro Device Kk | 画像処理方法と装置 |
JP3244399B2 (ja) * | 1994-03-25 | 2002-01-07 | 三洋電機株式会社 | 圧縮動画像符号信号の情報量変換回路、及び方法 |
US5623312A (en) * | 1994-12-22 | 1997-04-22 | Lucent Technologies Inc. | Compressed-domain bit rate reduction system |
JPH08191444A (ja) * | 1995-01-09 | 1996-07-23 | Matsushita Electric Ind Co Ltd | ビデオ信号復号化装置 |
-
1996
- 1996-03-06 US US08/611,922 patent/US5708732A/en not_active Expired - Lifetime
-
1997
- 1997-02-24 JP JP03895097A patent/JP4006047B2/ja not_active Expired - Fee Related
- 1997-03-06 EP EP97103783A patent/EP0794674B1/de not_active Expired - Lifetime
- 1997-03-06 DE DE69726042T patent/DE69726042T2/de not_active Expired - Lifetime
- 1997-03-06 EP EP97103786A patent/EP0798927B1/de not_active Expired - Lifetime
- 1997-03-06 DE DE69722060T patent/DE69722060T2/de not_active Expired - Lifetime
-
2007
- 2007-05-31 JP JP2007145597A patent/JP4996347B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69726042T2 (de) | 2004-06-03 |
JP4006047B2 (ja) | 2007-11-14 |
US5708732A (en) | 1998-01-13 |
JPH09331532A (ja) | 1997-12-22 |
EP0798927A2 (de) | 1997-10-01 |
JP2007282266A (ja) | 2007-10-25 |
DE69722060D1 (de) | 2003-06-26 |
EP0794674B1 (de) | 2003-05-21 |
EP0794674A2 (de) | 1997-09-10 |
EP0798927B1 (de) | 2003-11-12 |
DE69722060T2 (de) | 2004-03-18 |
EP0794674A3 (de) | 1998-04-22 |
JP4996347B2 (ja) | 2012-08-08 |
EP0798927A3 (de) | 1998-04-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69726042D1 (de) | Abwärtsabtastung über schnell-DCT-Domänen und inverser Bewegungsausgleich | |
DE69518801T2 (de) | Bewegungsadaptive Bewegungskompensationskodierungsmethode und -vorrichtung | |
DE69904749D1 (de) | Videocodierung mit bewegungskompensation und cholesky faktorisierung | |
NO983043D0 (no) | Videokode- og videodekodeapparat | |
DE69731833D1 (de) | Magnetorheologische flüssigkeit | |
BR9502829A (pt) | Dispositivo de fixação e guarda-sol de praia | |
DE69836473D1 (de) | Bewegungsschätzung und bewegungskompensierte interpolation | |
DE69809244T2 (de) | Flüssigkeits- und elastomerdämpfer | |
SG83682A1 (en) | System and method for dct domain inverse motion compensation using shared information | |
DE69525471D1 (de) | Hilfskraftlenkungsdämpfungskontraktion und herstellstellungsverfahren dafür | |
DE69504128D1 (de) | Modulationsdotierter Feldeffekttransistor | |
DE69712087T2 (de) | Bewegungskompensiertes vorhersageverfahren und gerät | |
FR2749945B1 (fr) | Composant electrooptique | |
DE69835388D1 (de) | Bildkodiergerät und Bilddekodiergerät | |
DE69418556T2 (de) | Bildaufzeichnungsgerät und Betriebsartumschaltungsverfahren in diesem Gerät | |
IT1273982B (it) | Composizione insetticida ed acaricida | |
DE69426135T2 (de) | Fixiervorrichtung und Fixierwalze | |
DE69522196T2 (de) | Pufferschaltung und Vorspannungsschaltung | |
DE59500075D1 (de) | Dämpfungselement | |
KR960011592U (ko) | 볼 조인트의 유격 보상장치 | |
FR2758065B1 (fr) | Element d'allonge pour meuble convertible et meuble convertible en comportant application | |
DE69837468D1 (de) | Bewegungsschätzung und bewegungskompensierte interpolation | |
KR970024294U (ko) | 쵸크베어링 인발 및 조립장치 | |
KR970049697U (ko) | 항타 및 진동장치 | |
ITMI941026A0 (it) | Azaciclo e azabiciclo ammidi |
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: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |