US 12,177,490 B2
Video coding apparatus and video decoding apparatus
Takeshi Chujoh, Sakai (JP); Tomohiro Ikai, Sakai (JP); Yukinobu Yasugi, Sakai (JP); Yasuaki Tokumo, Sakai (JP); Tomonori Hashimoto, Sakai (JP); Tomoko Aono, Sakai (JP); and Keiichiro Takada, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Filed by Sharp Kabushiki Kaisha, Sakai (JP)
Filed on Apr. 10, 2023, as Appl. No. 18/132,640.
Claims priority of application No. 2022-065065 (JP), filed on Apr. 11, 2022.
Prior Publication US 2023/0328292 A1, Oct. 12, 2023
Int. Cl. H04N 19/80 (2014.01); H04N 19/172 (2014.01); H04N 19/85 (2014.01)
CPC H04N 19/80 (2014.11) [H04N 19/172 (2014.11); H04N 19/85 (2014.11)] 3 Claims
OG exemplary drawing
 
1. A video decoding apparatus for generating a decoded picture by decoding coded data, the video decoding apparatus comprising:
resolution inverse conversion circuit that performs a post-filtering by using a neural network specified by resolution conversion information; and
neural network filter circuit that derives:
(i) first information relating to a size of a picture,
(ii) second information specifying a size of a picture resulting from applying the post-filtering,
(iii) third information indicating a patch size for the post-filtering, and
(iv) fourth information for output patch derived by using the third information,
wherein
a product of a value of the first information and a value of the fourth information is equal to a product of a value of the second information and a value of the third information.