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:
Apr. 21, 2025
Filed:
Apr. 14, 2022
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Weiwei Xu, Hangzhou, CN;
Quanhe Yu, Beijing, CN;
Hu Chen, Munich, DE;
Elena Alexandrovna Alshina, Munich, DE;
Rafal Mantiuk, Cambridge, GB;
Assignee:
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/126 (2013.12); H04N 19/136 (2013.12); H04N 19/172 (2013.12); H04N 19/186 (2013.12); H04N 19/189 (2013.12);
U.S. Cl.
CPC ...
H04N 19/126 (2014.10); H04N 19/136 (2014.10); H04N 19/172 (2014.10); H04N 19/186 (2014.10); H04N 19/189 (2014.10);
Abstract
Embodiments of this application provide a method for processing image signal conversion, including: obtaining a primary color component of a to-be-processed pixel; and converting a first value of the primary color component into a second value based on a preset dynamic range conversion model, where the dynamic range conversion model is: where L is the first value, L' is the second value, and k, k, k, a, b, m, n, and p are model parameters.