MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202418076141 A) filed by Beijing Dajia Internet Information on October 08, 2024, for Methods And Apparatuses For Prediction Refinement With Optical Flow.
Inventors include Xiu, Xiaoyu; Chen, Yi-Wen; Wang, Xianglin; Ye, Shuiming Number; Ma, Tsung-Chuan; and Jhu, Hong-Jheng.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: The present invention relates to a method of bi-directional optical flow (BDOF) for decoding a video signal, including: obtaining a first reference picture and a second reference picture associated with a video block, wherein the first reference picture is before a current picture and the second reference picture is after the current picture in display order; obtaining first prediction samples of the video block from a reference block in the first reference picture; obtaining second prediction samples of the video block from a reference block in the second reference picture; obtaining padded prediction samples, and obtaining horizontal and vertical gradient values of the first prediction samples and the second prediction samples based on the padded prediction samples; obtaining motion refinements for samples in the video block based on the horizontal and vertical gradient values; and obtaining bi-prediction samples of the video block based on the motion refinements.
Disclaimer: Curated by HT Syndication.
