Patent · US Active

Colour reference for calibrating a dental colour camera

US11058282B2 · kind B2 · utility

0Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2018
Grant dateJul 13, 2021
Priority date
Expiry dateMar 16, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/88
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a color reference for calibrating a dental color camera comprising a plurality of fields. A surface of the color reference comprises color fields for color calibration as well as white fields and/or gray fields for a white balance and/or a shading correction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.