Title:
VIDEO ENCODING DEVICE AND VIDEO DECODING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/090198
Kind Code:
A1
Abstract:
When network parameters are to be adaptively switched in their entirety, it is difficult to switch the parameters in units of small blocks such as CTUs. There is also the problem that successively performing ALF classification and filtering in parallel with ALF after performing NN filtering takes time for processing. Selecting an NN model in a slice header and selecting a fine-tuned network layer in a CTU makes it possible to adaptively select an NN model even in units of small blocks. Carrying out ALF classification with a pre-NN-filtering image and then carrying out ALF processing using a post-NN filtering process image and ALF class information makes it possible to carry out an NN filtering process and ALF classification in parallel.
Inventors:
TAKADA KEIICHIRO
IKAI TOMOHIRO
CHUJOH TAKESHI
AONO TOMOKO
IKAI TOMOHIRO
CHUJOH TAKESHI
AONO TOMOKO
Application Number:
PCT/JP2022/041490
Publication Date:
May 25, 2023
Filing Date:
November 08, 2022
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H04N19/70; H04N19/82
Domestic Patent References:
| WO2021165569A1 | 2021-08-26 | |||
| WO2021004542A1 | 2021-01-14 |
Foreign References:
| US20190273948A1 | 2019-09-05 |
Other References:
"Versatile video coding; H.266 (08/20)", ITU-T STANDARD H.266, INTERNATIONAL TELECOMMUNICATION UNION, 29 August 2020 (2020-08-29), Geneva ; CH , pages 1 - 513, XP044296169
Attorney, Agent or Firm:
INOUE Tomoya (JP)
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