(19)
(11) EP 3 948 786 A1

(12)

(43) Date of publication:
09.02.2022 Bulletin 2022/06

(21) Application number: 20717242.0

(22) Date of filing: 27.03.2020
(51) International Patent Classification (IPC): 
G06T 7/90(2017.01)
G01J 3/50(2006.01)
(52) Cooperative Patent Classification (CPC):
G01J 3/463; A61C 13/082; G06T 2207/10024; G06T 2207/20081; G06T 2207/30036; G01J 3/508; G06T 7/90
(86) International application number:
PCT/FI2020/050203
(87) International publication number:
WO 2020/201623 (08.10.2020 Gazette 2020/41)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 29.03.2019 IN 201921012676

(71) Applicant: Lumi Dental Oy
78300 Varkaus (FI)

(72) Inventors:
  • HOTAKAINEN, Tomi
    67200 Kokkola (FI)
  • KUOSMANEN, Jukka
    78870 Varkaus (FI)
  • SARJA, Ville
    Hong Kong Discovery Bay (CN)
  • BALU, Karthik
    Tamil Nadu Chennai 600073 (IN)

(74) Representative: Boco IP Oy Ab 
Itämerenkatu 5
00180 Helsinki
00180 Helsinki (FI)

   


(54) DETERMINING TOOTH COLOR SHADE BASED ON IMAGE OBTAINED WITH A MOBILE DEVICE