- 专利标题: Method for the optical three-dimensional measurement of a dental object
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申请号: US14124597申请日: 2012-06-13
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公开(公告)号: US09980651B2公开(公告)日: 2018-05-29
- 发明人: Joachim Pfeiffer , Frank Thiel
- 申请人: Joachim Pfeiffer , Frank Thiel
- 申请人地址: DE Bensheim
- 专利权人: Sirona Dental Systems GmbH
- 当前专利权人: Sirona Dental Systems GmbH
- 当前专利权人地址: DE Bensheim
- 代理机构: Fitzpatrick, Cella, Harper & Scinto
- 优先权: DE102011077564 20110615
- 国际申请: PCT/EP2012/061154 WO 20120613
- 国际公布: WO2012/171935 WO 20121220
- 主分类号: H04N9/47
- IPC分类号: H04N9/47 ; H04N7/18 ; A61B1/04 ; A61B5/00 ; G01B11/24 ; G01B9/02 ; G01B11/25 ; A61C9/00 ; A61B5/107 ; A61C1/08 ; A61C19/04 ; G06T7/00 ; G06T11/60 ; A61C13/00
摘要:
The invention relates to a method for the optical three-dimensional measurement of a dental object, wherein a first region of the dental object is measured using a first optical three-dimensional measurement method, wherein the first optical three-dimensional measurement method is based on a triangulation method and on a fringe projection method. According to the invention, a powdering occurs at least on the first region, wherein first image data are generated. Using a less precise, second optical three-dimensional measurement method, a second region of the dental object is subsequently measured without previous powdering, wherein second image data are generated. Afterwards, the first image data are combined with the second image data to form an overlapping three-dimensional exposure.