IT1313382B1 - Stima del moto ricorsiva spazio temporale con sottocampionamento ad 1/2 di macroblocco e ad 1/4 di pixel - Google Patents
Stima del moto ricorsiva spazio temporale con sottocampionamento ad 1/2 di macroblocco e ad 1/4 di pixelInfo
- Publication number
- IT1313382B1 IT1313382B1 IT1999VA000006A ITVA990006A IT1313382B1 IT 1313382 B1 IT1313382 B1 IT 1313382B1 IT 1999VA000006 A IT1999VA000006 A IT 1999VA000006A IT VA990006 A ITVA990006 A IT VA990006A IT 1313382 B1 IT1313382 B1 IT 1313382B1
- Authority
- IT
- Italy
- Prior art keywords
- macroblock
- estimate
- sampling
- pixel sub
- temporal space
- 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
- H04N19/50—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
- H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/223—Analysis of motion using block-matching
- G06T7/238—Analysis of motion using block-matching using non-full search, e.g. three-step search
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999VA000006A IT1313382B1 (it) | 1999-03-18 | 1999-03-18 | Stima del moto ricorsiva spazio temporale con sottocampionamento ad 1/2 di macroblocco e ad 1/4 di pixel |
US09/527,631 US6483928B1 (en) | 1999-03-18 | 2000-03-17 | Spatio-temporal recursive motion estimation with 1/2 macroblock and 1/4 pixel undersampling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999VA000006A IT1313382B1 (it) | 1999-03-18 | 1999-03-18 | Stima del moto ricorsiva spazio temporale con sottocampionamento ad 1/2 di macroblocco e ad 1/4 di pixel |
Publications (3)
Publication Number | Publication Date |
---|---|
ITVA990006A0 ITVA990006A0 (it) | 1999-03-18 |
ITVA990006A1 ITVA990006A1 (it) | 2000-09-18 |
IT1313382B1 true IT1313382B1 (it) | 2002-07-23 |
Family
ID=11423502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1999VA000006A IT1313382B1 (it) | 1999-03-18 | 1999-03-18 | Stima del moto ricorsiva spazio temporale con sottocampionamento ad 1/2 di macroblocco e ad 1/4 di pixel |
Country Status (2)
Country | Link |
---|---|
US (1) | US6483928B1 (it) |
IT (1) | IT1313382B1 (it) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000034920A1 (en) * | 1998-12-07 | 2000-06-15 | Koninklijke Philips Electronics N.V. | Motion vector estimation |
US7042945B2 (en) * | 2001-04-24 | 2006-05-09 | Bellers Erwin B | 3-D recursive vector estimation for video enhancement |
US6687301B2 (en) * | 2001-03-19 | 2004-02-03 | Fulvio Moschetti | Method for block matching motion estimation in digital video sequences |
US6671324B2 (en) * | 2001-04-16 | 2003-12-30 | Mitsubishi Electric Research Laboratories, Inc. | Estimating total average distortion in a video with variable frameskip |
DE60124874D1 (de) * | 2001-06-14 | 2007-01-11 | St Microelectronics Srl | Verfahren, System und Computerprogram zur Konvertierung des Scanningformats von Bildern |
KR100408294B1 (ko) * | 2001-09-05 | 2003-12-01 | 삼성전자주식회사 | 저전송율 동영상 부호화에 적합한 움직임 추정 방법 |
JP2004023458A (ja) * | 2002-06-17 | 2004-01-22 | Toshiba Corp | 動画像符号化/復号化方法及び装置 |
JP4724351B2 (ja) * | 2002-07-15 | 2011-07-13 | 三菱電機株式会社 | 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 |
JP4078906B2 (ja) * | 2002-07-19 | 2008-04-23 | ソニー株式会社 | 画像信号の処理装置および処理方法、画像表示装置、それに使用される係数データの生成装置および生成方法、並びに各方法を実行するためのプログラムおよびそのプログラムを記録したコンピュータ読み取り可能な媒体 |
DE60224035D1 (de) * | 2002-08-23 | 2008-01-24 | St Microelectronics Srl | Verfahren zur Rauschfilterung einer numerischen Bildfolge |
US20050013498A1 (en) * | 2003-07-18 | 2005-01-20 | Microsoft Corporation | Coding of motion vector information |
US7567617B2 (en) | 2003-09-07 | 2009-07-28 | Microsoft Corporation | Predicting motion vectors for fields of forward-predicted interlaced video frames |
US7352373B2 (en) * | 2003-09-30 | 2008-04-01 | Sharp Laboratories Of America, Inc. | Systems and methods for multi-dimensional dither structure creation and application |
US20050169369A1 (en) * | 2004-02-03 | 2005-08-04 | Sony Corporation | Scalable MPEG video/macro block rate control |
US7697608B2 (en) * | 2004-02-03 | 2010-04-13 | Sony Corporation | Scalable MPEG video/macro block rate control |
KR100994773B1 (ko) | 2004-03-29 | 2010-11-16 | 삼성전자주식회사 | 계층적 움직임 추정에 있어서 움직임 벡터 생성 방법 및장치 |
US20060008154A1 (en) * | 2004-07-01 | 2006-01-12 | Belle Ronny V | Video compression and decompression to virtually quadruple image resolution |
CN102695054B (zh) * | 2004-07-20 | 2015-01-28 | 高通股份有限公司 | 用于时间视频压缩中运动矢量预测的方法和设备 |
US7561620B2 (en) * | 2004-08-03 | 2009-07-14 | Microsoft Corporation | System and process for compressing and decompressing multiple, layered, video streams employing spatial and temporal encoding |
KR100694059B1 (ko) * | 2004-09-30 | 2007-03-12 | 삼성전자주식회사 | 멀티 타임 스캔 방식에 기초한 인터 모드 인코딩 및디코딩 방법 및 장치 |
US20090079874A1 (en) * | 2004-11-22 | 2009-03-26 | Koninklijke Philips Electronics, N.V. | Display device with time-multiplexed led light source |
EP1841231A1 (en) * | 2006-03-29 | 2007-10-03 | Sony Deutschland Gmbh | Method for motion estimation |
FR2925815B1 (fr) * | 2007-12-19 | 2010-02-12 | Ateme Sa | Procede et dispositif d'estimation de mouvement hierarchique symetrique d'objets d'images video successives dans un codeur video |
US9490850B1 (en) | 2011-11-28 | 2016-11-08 | Google Inc. | Method and apparatus for decoding packetized data |
US9437010B2 (en) | 2012-01-19 | 2016-09-06 | Thomson Licensing | Method and device for generating a motion field for a video sequence |
US9185429B1 (en) * | 2012-04-30 | 2015-11-10 | Google Inc. | Video encoding and decoding using un-equal error protection |
US10034023B1 (en) | 2012-07-30 | 2018-07-24 | Google Llc | Extended protection of digital video streams |
CN107113442B (zh) * | 2014-10-31 | 2020-08-07 | 三星电子株式会社 | 用于对运动矢量进行编码/解码的方法和装置 |
US10477233B2 (en) | 2015-09-30 | 2019-11-12 | Apple Inc. | Predictor candidates for motion estimation search systems and methods |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5600731A (en) * | 1991-05-09 | 1997-02-04 | Eastman Kodak Company | Method for temporally adaptive filtering of frames of a noisy image sequence using motion estimation |
US5703966A (en) * | 1995-06-27 | 1997-12-30 | Intel Corporation | Block selection using motion estimation error |
US5764293A (en) * | 1995-12-26 | 1998-06-09 | C-Cube Microsystems, Inc. | Method of encoding video using master and slave encoders wherein bit budgets for frames to be encoded are based on encoded frames |
US5878166A (en) * | 1995-12-26 | 1999-03-02 | C-Cube Microsystems | Field frame macroblock encoding decision |
TR199700058A3 (tr) * | 1997-01-29 | 1998-08-21 | Onural Levent | Kurallara dayali hareketli nesne bölütlemesi. |
WO1998042137A1 (en) * | 1997-03-14 | 1998-09-24 | Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A. | Circuit for motion estimation in digitised video sequence encoders |
US6058210A (en) * | 1997-09-15 | 2000-05-02 | Xerox Corporation | Using encoding cost data for segmentation of compressed image sequences |
US6014181A (en) * | 1997-10-13 | 2000-01-11 | Sharp Laboratories Of America, Inc. | Adaptive step-size motion estimation based on statistical sum of absolute differences |
-
1999
- 1999-03-18 IT IT1999VA000006A patent/IT1313382B1/it active
-
2000
- 2000-03-17 US US09/527,631 patent/US6483928B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ITVA990006A1 (it) | 2000-09-18 |
US6483928B1 (en) | 2002-11-19 |
ITVA990006A0 (it) | 1999-03-18 |
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