Title:
ORAL IMAGE MARKER DETECTION METHOD, AND ORAL IMAGE MATCHING DEVICE AND METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/215843
Kind Code:
A1
Abstract:
The present invention provides an oral image marker detection method for detecting a marker, which is the reference when an oral scan image and a CT image are matched, the method comprising the steps of: aligning oral scan images in the horizontal plane direction; estimating a marker candidate area from the aligned oral scan images and detecting an undivided marker from the marker candidate area; and dividing the undivided marker to estimate a marker in the undivided marker, and estimating the area from the upper surface of the undivided marker to a certain depth in the lower direction to be the marker.
Inventors:
KIM JIN CHEOL (KR)
KIM JIN BAEK (KR)
KIM JIN BAEK (KR)
Application Number:
PCT/KR2021/005095
Publication Date:
October 28, 2021
Filing Date:
April 22, 2021
Export Citation:
Assignee:
DIO CORP (KR)
International Classes:
A61B6/00; A61B6/14; A61B34/10; A61C8/00; A61C9/00
Domestic Patent References:
| WO2018152742A1 | 2018-08-30 |
Foreign References:
| KR20190024360A | 2019-03-08 | |||
| KR20160004864A | 2016-01-13 | |||
| KR20160051474A | 2016-05-11 | |||
| KR102056480B1 | 2020-01-22 | |||
| KR20200050085A | 2020-05-11 | |||
| KR20200050086A | 2020-05-11 |
Other References:
See also references of EP 4140411A4
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)
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