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Title:
PREDICTIVE CODING METHOD FOR MOTION VECTOR, PREDICTIVE DECODING METHOD FOR MOTION VECTOR, VIDEO CODING DEVICE, VIDEO DECODING DEVICE, AND PROGRAMS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2011/099440
Kind Code:
A1
Abstract:
Disclosed is a video coding device, wherein a setting unit for primary reference motion vector candidates sets N primary reference motion vector candidates. A reliability calculation unit uses coded or decoded image information to calculate the reliability of the primary reference motion vector candidates, which represents the effectiveness thereof in predicting the motion vector of a block to be coded. A reference motion vector determination unit selects, in accordance with the reliability, M (M

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Inventors:
KITAHARA MASAKI (JP)
SHIMIZU ATSUSHI (JP)
WATANABE MAYUKO (JP)
Application Number:
PCT/JP2011/052501
Publication Date:
August 18, 2011
Filing Date:
February 07, 2011
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
KITAHARA MASAKI (JP)
SHIMIZU ATSUSHI (JP)
WATANABE MAYUKO (JP)
International Classes:
H04N7/32
Domestic Patent References:
WO2010001917A12010-01-07
Foreign References:
JP2008283490A2008-11-20
JP2008171247A2008-07-24
JP2010026129A2010-02-04
Other References:
KADONO; KIKUCHI; SUZUKI: "3rd revised edition. H.264/AVC textbook", 2009, IMPRESS R&D, pages: 123 - 125
T. YAMAMOTO: "A new scheme for motion vector predictor encoding", ITU-T SG16/Q6, April 2007 (2007-04-01)
KOBAYASHI; SUZUKI; BOON; HORIKOSHI: "Reduction of Predictive Information Amount with Motion Prediction Method Using Template Matching", THE PROCEEDINGS OF PICTURE CODING SYMPOSIUM OF JAPAN, 2005, pages 17 - 18
See also references of EP 2536148A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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