System and method for normalizing skin tone brightness in a portrait image
US10997700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2018 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Jan 30, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30201
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for normalizing skin tone brightness are disclosed. In one aspect, a method includes the actions of receiving a color image that includes a representation of a face. The actions further include selecting a group of pixels in the color image that includes the representation of the face. The actions further include determining a brightness value that represents a brightness of the group of pixels in the color image that includes the representation of the face. The actions further include determining a brightness difference value. The actions further include comparing the brightness difference value to an upper threshold brightness difference value and a lower threshold brightness difference value. The actions further include determining whether to adjust a brightness of the color image that includes the representation of the face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.