US 12,323,596 B2
Deep intra prediction of an image block
Thierry Dumas, Rennes (FR); Franck Galpin, Thorigne-Fouillard (FR); and Philippe Bordes, Laille (FR)
Assigned to InterDigital Madison Patent Holdings, SAS, Paris (FR)
Appl. No. 17/775,019
Filed by INTERDIGITAL MADISON PATENT HOLDINGS, SAS, Paris (FR)
PCT Filed Oct. 22, 2020, PCT No. PCT/EP2020/079781
§ 371(c)(1), (2) Date May 6, 2022,
PCT Pub. No. WO2021/089339, PCT Pub. Date May 14, 2021.
Claims priority of application No. 19306453 (EP), filed on Nov. 8, 2019.
Prior Publication US 2022/0417516 A1, Dec. 29, 2022
Int. Cl. H04N 19/159 (2014.01); H04N 19/13 (2014.01); H04N 19/176 (2014.01); H04N 19/182 (2014.01)
CPC H04N 19/13 (2014.11) [H04N 19/159 (2014.11); H04N 19/176 (2014.11); H04N 19/182 (2014.11)] 12 Claims
OG exemplary drawing
 
1. A method comprising:
assigning a mask value to unavailable pixels in a context comprising pixels surrounding a first image block, wherein the mask value is outside a range of available pixels in the context;
subtracting an average value of the available pixels in the context from the available pixels in the context;
providing the context to at least one neural network;
obtaining, from the at least one neural network, a second image block comprising intra prediction of the first image block; and
post-processing the second image block by adding the average value to the intra prediction of the first image block.