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Volume: 31 | Article ID: art00014
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Fully-automatic synthesizing method of dental panoramic radiograph by using internal curve of mandible in dental volumetric CT
  DOI :  10.2352/ISSN.2470-1173.2019.13.COIMG-148  Published OnlineJanuary 2019
Abstract

Compared to conventional dental panoramic radiograph, synthesizing panoramic radiograph directly computed from dental cone-beam computed tomography (CBCT) images provides high-resolution images with reduced geometric distortion. Previous approaches required manual operations or were based on CBCT images without metal artifacts or missing teeth. In this paper, we introduced a fullyautomatic method that can be applied to CBCT scans under severe conditions, which consist three main steps: bone and teeth segmentation, mandible curve extraction, and panoramic mapping. An adaptive method was first used for bone and teeth segmentation. Then the internal mandible curve, which provides a stable curve regardless of metal artifacts or missing teeth, was extracted and utilized for panoramic mapping. Our synthesizing method showed stable performance on various CBCT data sets.

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Sanghun Lee, Seongyoun Woo, Chulhee Lee, Joonwoo Lee, Jaejun Seo, "Fully-automatic synthesizing method of dental panoramic radiograph by using internal curve of mandible in dental volumetric CTin Proc. IS&T Int’l. Symp. on Electronic Imaging: Computational Imaging XVII,  2019,  pp 148-1 - 148-7,  https://doi.org/10.2352/ISSN.2470-1173.2019.13.COIMG-148

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