US 12,470,742 B2
Encoder, a decoder and corresponding methods for inter-prediction
Semih Esenlik, Munich (DE); Han Gao, Shenzhen (CN); Anand Meher Kotra, Munich (DE); Biao Wang, Shenzhen (CN); and Jianle Chen, San Diego, CA (US)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Jul. 21, 2023, as Appl. No. 18/356,902.
Application 18/356,902 is a continuation of application No. 17/713,223, filed on Apr. 4, 2022, granted, now 11,736,719.
Application 17/713,223 is a continuation of application No. 17/317,711, filed on May 11, 2021, granted, now 11,336,916, issued on May 17, 2022.
Application 17/317,711 is a continuation of application No. PCT/CN2019/126977, filed on Dec. 20, 2019.
Claims priority of provisional application 62/812,190, filed on Feb. 28, 2019.
Prior Publication US 2024/0031598 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/56 (2014.01); H04N 19/57 (2014.01); H04N 19/61 (2014.01)
CPC H04N 19/56 (2014.11) [H04N 19/57 (2014.11); H04N 19/61 (2014.11)] 13 Claims
OG exemplary drawing
 
1. An inter-prediction encoding method for a video block, comprising:
selecting from a list of candidate motion vectors an initial motion vector for a current block using an index;
determining a plurality of search space positions according to the initial motion vector;
checking a matching cost for each of the plurality of search space positions according to a checking order;
selecting from the plurality of search space positions a target search space position having a minimal matching cost;
determining a refining motion vector for the current block based on the initial motion vector and the target search space position, wherein a central search space position is checked first according to the checking order, the central search space position being pointed to by the initial motion vector; and
encoding the index into a bitstream.