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:
Dec. 14, 2021
Filed:
Oct. 02, 2019
Applicant:
Apical Limited, Cambridge, GB;
Inventors:
Viacheslav Chesnokov, Cambridge, GB;
Alex Kornienko, Cambridge, GB;
David Hanwell, Cambridge, GB;
Dumidu Sanjaya Talagala, Cambridge, GB;
Assignee:
Apical Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 5/00 (2006.01); H04N 5/243 (2006.01); H04N 9/73 (2006.01);
U.S. Cl.
CPC ...
G06T 5/009 (2013.01); G06T 5/008 (2013.01); H04N 5/243 (2013.01); H04N 9/73 (2013.01); G06T 2207/20208 (2013.01);
Abstract
A method, processor and system of retaining dynamic range. The method comprises obtaining a vignetting correction mesh for image data. The method also comprises generating an intensity compression curve, the intensity compression curve comprising one or more segments, based on the vignetting correction mesh; and adjusting pixel values of a portion of the image data according to the intensity compression curve and vignetting correction mesh.