WO2003024116A1 - Motion estimation and/or compensation - Google Patents
Motion estimation and/or compensation Download PDFInfo
- Publication number
- WO2003024116A1 WO2003024116A1 PCT/IB2002/003560 IB0203560W WO03024116A1 WO 2003024116 A1 WO2003024116 A1 WO 2003024116A1 IB 0203560 W IB0203560 W IB 0203560W WO 03024116 A1 WO03024116 A1 WO 03024116A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- motion
- search area
- video
- image segment
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
- H04N5/145—Movement estimation
-
- 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
- H04N19/527—Global motion vector estimation
-
- 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
Definitions
- the difference (or prediction error) between the actual block to be encoded and the matching block is calculated, and encoded in a similar way to the blocks of the I pictures.
- This process is called motion compensation.
- Another application of motion estimation and/or compensation is video scan rate conversion, where the output image rate of a video signal processing system differs from the input image rate.
- this type of application benefits from the use of motion vectors, as described by Gerard de Haan et al in "True-motion Estimation with 3-D Recursive Search block Matching, IEEE Transactions on Circuits and Systems for Video Technology , Vol. 3, No. 5, October 1993, and by Gerard de Haan in "IC for Motion-compensated De-interlacing, Noise Reduction and Picture-rate conversion", IEEE Transactions on Consumer Electronics, Vol. 45, No. 3, August 1999.
- motion vectors may be determined for all blocks of the image PI.
- the motion vectors may be used to interpolate images to obtain in the desired video format conversion.
- the maximum range of the motion vector V relates to the size of the search area or window S and with the actual pixel block centered in the search area or window the maximum range of horizontal and vertical components of the maximum motion vector V will, in the illustrated example be 40 and 16 pixels in horizontal and vertical direction, respectively, corresponding to 8 and 5 pixel blocks, respectively.
- the vector memory 4 stores all motion vectors determined for segment groups or blocks of the second image P2 and an image block to be searched in the image PI the set of candidate vectors may typically comprise motion vectors determined for an image block with same location in the preceding image or an adjacent image block in the actual image.
- the output unit 102 incorporates a representation of the offset of the asymmetric search area as prediction information in the encoded video signal S.
- the offset may be explicitly included in the signal, but may also be implicitly included in the motion vector ranges.
- Fig. 5 shows a reproduction apparatus 300 such as a television or digital receiver according to an embodiment of the invention.
- the reproduction apparatus 300 comprises an input unit 301 to obtain an encoded digital video signal comprising a sequence of encoded video images.
- the input unit 301 may be similar to the input unit 101 of the distribution system suitably arranged to receive encoded video images.
- the sequence of encoded video images may be obtained from a storage product 20'.
- the reproduction apparatus 30 further comprises a processor 302 performing inter alia motion compensating and/or estimating using an asymmetric search area.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02760499A EP1430724B1 (en) | 2001-09-12 | 2002-08-29 | Motion estimation and/or compensation |
KR1020047003717A KR100905880B1 (en) | 2001-09-12 | 2002-08-29 | Motion estimation and/or compensation |
DE60228101T DE60228101D1 (en) | 2001-09-12 | 2002-08-29 | MOTION ESTIMATION AND / OR COMPENSATION |
JP2003528028A JP4472986B2 (en) | 2001-09-12 | 2002-08-29 | Motion estimation and / or compensation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01203440 | 2001-09-12 | ||
EP01203440.1 | 2001-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003024116A1 true WO2003024116A1 (en) | 2003-03-20 |
Family
ID=8180917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/003560 WO2003024116A1 (en) | 2001-09-12 | 2002-08-29 | Motion estimation and/or compensation |
Country Status (8)
Country | Link |
---|---|
US (1) | US7929609B2 (en) |
EP (1) | EP1430724B1 (en) |
JP (1) | JP4472986B2 (en) |
KR (1) | KR100905880B1 (en) |
CN (1) | CN1303818C (en) |
AT (1) | ATE404019T1 (en) |
DE (1) | DE60228101D1 (en) |
WO (1) | WO2003024116A1 (en) |
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US9063952B2 (en) | 2006-07-31 | 2015-06-23 | Ricoh Co., Ltd. | Mixed media reality recognition with image tracking |
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KR101356735B1 (en) * | 2007-01-03 | 2014-02-03 | 삼성전자주식회사 | Mothod of estimating motion vector using global motion vector, apparatus, encoder, decoder and decoding method |
WO2009034487A2 (en) * | 2007-09-10 | 2009-03-19 | Nxp B.V. | Method and apparatus for motion estimation and motion compensation in video image data |
TW200937349A (en) * | 2008-02-19 | 2009-09-01 | Elan Microelectronics Corp | Image displacement detection method |
US8559518B2 (en) * | 2008-06-30 | 2013-10-15 | Samsung Electronics Co., Ltd. | System and method for motion estimation of digital video using multiple recursion rules |
US8144766B2 (en) * | 2008-07-16 | 2012-03-27 | Sony Corporation | Simple next search position selection for motion estimation iterative search |
US8462852B2 (en) * | 2009-10-20 | 2013-06-11 | Intel Corporation | Methods and apparatus for adaptively choosing a search range for motion estimation |
US9654792B2 (en) | 2009-07-03 | 2017-05-16 | Intel Corporation | Methods and systems for motion vector derivation at a video decoder |
US8917769B2 (en) | 2009-07-03 | 2014-12-23 | Intel Corporation | Methods and systems to estimate motion based on reconstructed reference frames at a video decoder |
GB2480422B (en) * | 2010-02-25 | 2014-07-09 | Imagination Tech Ltd | Object tracking using graphics engine derived vectors in a motion estimation system |
US20110299597A1 (en) * | 2010-06-07 | 2011-12-08 | Sony Corporation | Image processing method using motion estimation and image processing apparatus |
CN102986224B (en) | 2010-12-21 | 2017-05-24 | 英特尔公司 | System and method for enhanced dmvd processing |
KR20120088488A (en) * | 2011-01-31 | 2012-08-08 | 한국전자통신연구원 | method for storing temporal motion vector and apparatus using the same |
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US20140254678A1 (en) * | 2013-03-11 | 2014-09-11 | Aleksandar Beric | Motion estimation using hierarchical phase plane correlation and block matching |
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- 2002-08-29 JP JP2003528028A patent/JP4472986B2/en not_active Expired - Fee Related
- 2002-08-29 DE DE60228101T patent/DE60228101D1/en not_active Expired - Lifetime
- 2002-08-29 CN CNB028177827A patent/CN1303818C/en not_active Expired - Fee Related
- 2002-08-29 AT AT02760499T patent/ATE404019T1/en not_active IP Right Cessation
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- 2002-08-29 EP EP02760499A patent/EP1430724B1/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
KR100905880B1 (en) | 2009-07-03 |
US7929609B2 (en) | 2011-04-19 |
US20030063673A1 (en) | 2003-04-03 |
CN1554194A (en) | 2004-12-08 |
EP1430724B1 (en) | 2008-08-06 |
ATE404019T1 (en) | 2008-08-15 |
JP2005503085A (en) | 2005-01-27 |
CN1303818C (en) | 2007-03-07 |
KR20040035777A (en) | 2004-04-29 |
JP4472986B2 (en) | 2010-06-02 |
DE60228101D1 (en) | 2008-09-18 |
EP1430724A1 (en) | 2004-06-23 |
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