US 12,088,851 B2
Systems and methods for signaling neural network post-filter information updates in video coding
Sachin G. Deshpande, Camas, WA (US)
Assigned to Sharp Kabushiki Kaisha, Sakai (JP)
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
Filed on Oct. 6, 2022, as Appl. No. 17/961,375.
Prior Publication US 2024/0121443 A1, Apr. 11, 2024
Int. Cl. H04N 19/117 (2014.01); H04N 19/46 (2014.01); H04N 19/70 (2014.01); H04N 19/80 (2014.01); H04N 19/85 (2014.01)
CPC H04N 19/80 (2014.11) [H04N 19/46 (2014.11); H04N 19/70 (2014.11); H04N 19/85 (2014.11)] 5 Claims
OG exemplary drawing
 
1. A method of updating neural network post-loop filter information for video data, the method comprising:
receiving a neural network post-filter characteristics message, wherein the neural network post-filter characteristics message is included exclusively within a supplemental enhancement information payload having a payload type indicating the neural network post-filter characteristics message;
parsing a first syntax element in the neural network post-filter characteristics message, wherein the first syntax element contains an identifying number that may be used to identify a post-processing filter;
parsing a second syntax element in the neural network post-filter characteristics message, wherein the second syntax element has a value indicating neural network information identified by a specified tag Uniform Resource Identifier (URI) and neural network information URI;
parsing a third syntax element in the neural network post-filter characteristics message, wherein the third syntax element indicates whether a fourth syntax element is present in the neural network post-filter characteristics message, wherein the fourth syntax element indicates an output order of samples resulting from the post-processing filter; and
determining whether the neural network post-filter characteristics message provides a neural network update based on a value of the second syntax element and a value of the third syntax element.