公开(公告)号：US20200029792A1

公开(公告)日：2020-01-30

申请号：US16493497

申请日：2018-03-16

Applicant: DENTSPLY SIRONA INC.

Inventor： Frederike FRANKE ,  Marcel MEYER ,  Teena STEGER

IPC: A61B1/00 ,  H04N9/73 ,  H04N17/00 ,  H04N17/02 ,  G01J3/50 ,  G01J3/52 ,  G01J3/02 ,  A61B1/24 ,  A61B1/04

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.