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Patent Searching and Data


Title:
MOTION VECTOR GENERATION DEVICE, PREDICTION IMAGE GENERATION DEVICE, MOVING IMAGE DECODING DEVICE, AND MOVING IMAGE CODING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/138417
Kind Code:
A1
Abstract:
The present invention increases coding efficiency. A motion vector generation device is provided with: a PU level search unit (303712) which searches for a motion vector on a prediction block by prediction block basis by a matching process; and a sub-block level search unit (303713) which searches for a motion vector of each sub-block in a prediction block, wherein the accuracy of local search by the PU level search unit is lower than the accuracy of local search by the sub-block level search unit.

Inventors:
IKAI TOMOHIRO
YAMAMOTO TOMOYUKI
Application Number:
PCT/JP2017/003637
Publication Date:
August 17, 2017
Filing Date:
February 01, 2017
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
H04N19/533; H04N19/53; H04N19/56
Foreign References:
JP2011130265A2011-06-30
JP2005167721A2005-06-23
JPH0951536A1997-02-18
JPH06189291A1994-07-08
JPH08265771A1996-10-11
US8175160B12012-05-08
US20160021385A12016-01-21
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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