Title:
DEVICE AND METHOD FOR AUTOMATICALLY MATCHING ORAL SCAN DATA AND COMPUTED TOMOGRAPHY IMAGE BY MEANS OF CROWN SEGMENTATION OF ORAL SCAN DATA
Document Type and Number:
WIPO Patent Application WO/2022/164126
Kind Code:
A1
Abstract:
Disclosed is a device, for matching oral scan data, comprising a first matching unit, a teeth segmentation unit, and a second matching unit. The first matching unit matches a coordinate system of three-dimensional oral scan data to a coordinate system of a three-dimensional oral computed tomography (CT) image by using three-dimensional feature points of the three-dimensional oral scan data and three-dimensional feature points of the three-dimensional oral CT image. The teeth segmentation unit segments teeth from the three-dimensional oral scan data on the basis of the three-dimensional feature points of the three-dimensional oral scan data to generate surface information relating to the segmented teeth. The second matching unit matches the three-dimensional oral scan data and the three-dimensional oral CT image, which have matching coordinate systems, by means of the surface information.
Inventors:
JUNG HONG (KR)
LEE SUNG MIN (KR)
SONG BO HYUN (KR)
LEE SUNG MIN (KR)
SONG BO HYUN (KR)
Application Number:
PCT/KR2022/001042
Publication Date:
August 04, 2022
Filing Date:
January 20, 2022
Export Citation:
Assignee:
HDX WILL CORP (KR)
International Classes:
G06T7/33; A61B5/00; A61B6/00; A61B6/03; A61B6/14; A61C9/00; G06T11/00; G06T15/20
Foreign References:
| KR20200120036A | 2020-10-21 | |||
| KR20180088061A | 2018-08-03 | |||
| KR101953622B1 | 2019-05-23 | |||
| KR102273438B1 | 2021-07-07 | |||
| KR101911327B1 | 2018-10-25 |
Other References:
SANDRO BARONE, ALESSANDRO PAOLI, ARMANDO RAZIONALE: "Creation of 3D Multi-Body Orthodontic Models by Using Independent Imaging Sensors", SENSORS, vol. 13, no. 12, 1 January 2013 (2013-01-01), CH , pages 2033 - 2050, XP055454183, ISSN: 1424-8220, DOI: 10.3390/s130202033
SHENG-HUI LIAO, LIU SHI-JIAN, ZOU BEI-JI, DING XI, LIANG YE, HUANG JUN-HUI: "Automatic Tooth Segmentation of Dental Mesh Based on Harmonic Fields", BIOMED RESEARCH INTERNATIONAL, vol. 2015, 1 August 2015 (2015-08-01), pages 1 - 10, XP055372133, ISSN: 2314-6133, DOI: 10.1155/2015/187173
SHENG-HUI LIAO, LIU SHI-JIAN, ZOU BEI-JI, DING XI, LIANG YE, HUANG JUN-HUI: "Automatic Tooth Segmentation of Dental Mesh Based on Harmonic Fields", BIOMED RESEARCH INTERNATIONAL, vol. 2015, 1 August 2015 (2015-08-01), pages 1 - 10, XP055372133, ISSN: 2314-6133, DOI: 10.1155/2015/187173
Attorney, Agent or Firm:
TNI IP LAW FIRM (KR)
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