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:
Jul. 14, 2026
Filed:
May. 16, 2024
Tencent Technology (Shenzhen) Company Limited, Shenzhen, CN;
Tencent Technology (Shenzhen) Company Limited, Shenzhen, CN;
Abstract
Provided is a noise reduction method of a lightmap, including: obtaining a lightmap (); determining, by using each pixel in the lightmap as a target pixel, a noise reduction reference region corresponding to the target pixel in the lightmap, the noise reduction reference region including a reference pixel for noise reduction reference (); determining a distance in three-dimensional space between the reference pixel and the target pixel (); determining a light contribution parameter value of the reference pixel to the target pixel based on the distance (); obtaining light data recorded for the reference pixel in the lightmap (); and performing, based on the light contribution parameter value and the light data of the reference pixel, noise reduction on light data recorded for the target pixel in the lightmap, to obtain a noise-reduced lightmap ().