The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
Feb. 22, 2022
Huawei Technologies Co., Ltd., Guangdong, CN;
Timofey Mikhailovich Solovyev, Moscow, RU;
Maxim Borisovitch Sychev, Moscow, RU;
Huanbang Chen, Shenzhen, CN;
Alexander Alexandrovich Karabutov, Moscow, RU;
Roman Igorevich Chernyak, Moscow, RU;
Sergey Yurievich Ikonin, Moscow, RU;
Haitao Yang, Shenzhen, CN;
Elena Alexandrovna Alshina, Munich, DE;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A method for coding a video implemented in an encoder or a decoder, comprising: determining control point motion vectors, CPMVs, for a block according to affine inter-prediction, according to a preselected affine motion model, the block being an affine block; performing motion compensation for the block using a pixel-based motion vector field according to values of the CPMVs, upon fulfilling at least one of the following conditions: A) for a predefined size of a sub-block of M×M, during processing of one line, respectively, of the sub-block the number of lines of the reference picture is less than N, where N is an integer and N is larger than 2.