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Patent Searching and Data


Title:
CODING DEVICE, DECODING DEVICE, CODING METHOD, AND DECODING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/193775
Kind Code:
A1
Abstract:
A coding device (100) is provided with a circuit and a memory connected to the circuit. The circuit in operation: performs a first process in which a first filter is applied to a first image to generate a second image, the second image is held as a reference image, and the second image is displayed, and a second process in which a second filter is applied to the first image to generate a second image, the second image is not saved as a reference image, the first image is held as a reference image, and the second image is displayed; writes a coefficient of each of one or more filter candidates that are candidates for the second filter to a bit stream in a state of being included in a first storage location; and writes a parameter designating, for each image, one of the one or more filter candidates as the second filter to the bit stream in a state of being included in a second storage location different from the first storage location.

Inventors:
TEO HAN BOON
SUN HAI WEI
LIM CHONG SOON
LI JING YA
WANG CHU TONG
ABE KIYOFUMI (JP)
NISHI TAKAHIRO
TOMA TADAMASA
Application Number:
PCT/JP2021/012414
Publication Date:
September 30, 2021
Filing Date:
March 24, 2021
Export Citation:
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Assignee:
PANASONIC IP CORP AMERICA (US)
International Classes:
H04N19/70; H04N19/80
Domestic Patent References:
WO2014051893A12014-04-03
WO2011128056A22011-10-20
Other References:
TEO, HANBOON ET AL.: "Non- CE5: On SEI for ALF", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-Q0319-VL, 17TH MEETING, December 2019 (2019-12-01), Brussels, BE, pages 1 - 9, XP030223153
BENJAMIN BROSS; JIANLE CHEN; SHAN LIU; YE-KUI WANG: "Versatile Video Coding (Draft 8)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-Q2001_VE (VERSION 15), 17TH MEETING, 12 March 2020 (2020-03-12), Brussels, BE, pages 39 - 53, XP030285390
TEO, HANBOON ET AL.: "Non- CE5: ALF as a post-filter", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, JVET-PO179-VL, 16TH MEETING, September 2019 (2019-09-01), Geneva, CH, pages 1 - 4, XP030206092
TEO, HANBOON ET AL.: "Post- filter hint based on ALF classification", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO; IEC JTC 1/SC 29/WG 11, JVET-R0190, 18TH MEETING: BY TELECONFERENCE, April 2020 (2020-04-01), pages 1 - 7, XP030286139
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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