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Title:
IMAGE FILTERING DEVICE, IMAGE DECODING DEVICE, AND IMAGE ENCODING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/182159
Kind Code:
A1
Abstract:
The present invention outputs a post-filtering image having an improved image quality. A loop filter (305) is provided with: a filtering section (3051) which performs filtering on a pre-filtering image; and an ALF section (3052) into which a DL image having been filtered by a first filtering unit of the filtering section is inputted, wherein the pre-filtering image is also inputted to the ALF section.

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Inventors:
IKAI TOMOHIRO
ITOH NORIO
CHUJOH TAKESHI
TOKUMO YASUAKI
WATANABE HIROSHI (JP)
Application Number:
PCT/JP2019/012589
Publication Date:
September 26, 2019
Filing Date:
March 25, 2019
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
H04N19/82
Domestic Patent References:
WO2011152425A12011-12-08
WO2013047325A12013-04-04
WO2017036370A12017-03-09
Foreign References:
JP2014512732A2014-05-22
JP2014508473A2014-04-03
Other References:
L. ZHOU,X. SONG,J. YAO,L. WANG,F. CHEN (HIKVISION): "Convolutional Neural Network Filter (CNNF) for intra frame", 9. JVET MEETING; 20-1-2018 - 26-1-2018; GWANGJU; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://PHENIX.INT-EVRY.FR/JVET/, 24 January 2018 (2018-01-24), XP030151131
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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