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.

Date of Patent:
Jul. 28, 2026

Filed:

Dec. 19, 2022
Applicant:

3shape A/s, Copenhagen, DK;

Inventors:

Isak Mottelson, Copenhagen, DK;

Henrik Öjelund, Copenhagen, DK;

Assignee:

3Shape A/S, Kobenhavn K, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 9/00 (2006.01); A61C 13/34 (2006.01); G06T 7/521 (2017.01); G06T 7/55 (2017.01); G06T 17/00 (2006.01);
U.S. Cl.
CPC ...
A61C 9/006 (2013.01); A61C 13/34 (2013.01); G06T 7/521 (2017.01); G06T 7/55 (2017.01); G06T 17/00 (2013.01); G06T 2207/20081 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/30036 (2013.01); G06T 2210/41 (2013.01);
Abstract

The present disclosure relates to a dental scanning system for generating a digital three-dimensional representation of a dental object, the system comprising an intraoral scanning device comprising one or more projector units configured to project a pattern on a surface of the dental object; and two or more cameras configured to acquire one or more sets of images; wherein the scanning system further comprises one or more processors configured to determine one or more image features within each set of images; solve a correspondence problem within each set of images such that points in 3D space are determined based on the image features, wherein said points form a solution to the correspondence problem, wherein the correspondence problem is solved for groups of pattern features; and generate a digital three-dimensional representation of the dental object, wherein the solution to the correspondence problem is used to generate the three-dimensional representation.


Find Patent Forward Citations

Loading…