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 pixel

Info

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
Application number
IT1999VA000006A
Other languages
English (en)
Inventor
Daniele Bagni
Davide Giovenzana
Luca Pezzoni
Original Assignee
St Microelectronics Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT1999VA000006A priority Critical patent/IT1313382B1/it
Publication of ITVA990006A0 publication Critical patent/ITVA990006A0/it
Priority to US09/527,631 priority patent/US6483928B1/en
Publication of ITVA990006A1 publication Critical patent/ITVA990006A1/it
Application granted granted Critical
Publication of IT1313382B1 publication Critical patent/IT1313382B1/it

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)
IT1999VA000006A 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 IT1313382B1 (it)

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)

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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

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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

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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