2019
DOI: 10.1080/21681163.2019.1674696
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Automatic three-dimensional cephalometric annotation system using three-dimensional convolutional neural networks: a developmental trial

Abstract: Background: Three-dimensional (3D) cephalometric analysis using computerized tomography data has been rapidly adopted for dysmorphosis and anthropometry. Several different approaches to automatic 3D annotation have been proposed to overcome the limitations of traditional cephalometry. The purpose of this study was to evaluate the accuracy of our newly-developed system using a deep learning algorithm for automatic 3D cephalometric annotation.Methods: To overcome current technical limitations, some measures were… Show more

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Cited by 22 publications
(17 citation statements)
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“…The result suggests a potential role of the initial two-dimensional search algorithm in the improvement of accuracy and time saving for three-dimensional landmark annotation. Deep learning methods like CNN structure have also been conducted ( Kang et al, 2020 ; Lee et al, 2019 ; Yun et al, 2020 ). Some structures like gonion, porion and others seem to be points with imperfect accuracy.…”
Section: Applications Of ML In the Dental Oral And Craniofacial Imaging Fieldmentioning
confidence: 99%
“…The result suggests a potential role of the initial two-dimensional search algorithm in the improvement of accuracy and time saving for three-dimensional landmark annotation. Deep learning methods like CNN structure have also been conducted ( Kang et al, 2020 ; Lee et al, 2019 ; Yun et al, 2020 ). Some structures like gonion, porion and others seem to be points with imperfect accuracy.…”
Section: Applications Of ML In the Dental Oral And Craniofacial Imaging Fieldmentioning
confidence: 99%
“…The calculation volume required to process three-dimensional piles of images, based on spatial or time axes, is incomparable to that required for two-dimensional images. One solution is to compress the images [Kang et al, 2018] and input them to deep learning, but the compression process results in the loss of detailed information. In this study, we applied the method of multi-phase deep learning, used to predict landmarks in 2D cephalograms [Nishimoto, 2020][Nishimoto et al, 2020, to 3D craniofacial images.…”
Section: Multi-phased Deep Learningmentioning
confidence: 99%
“…For 3D CT scans Lee et al [11] proposed VGG-based [12] method for detecting landmarks on shadowed 2D projections. A completely 3D based approach using 3D convolutional neural network based system was proposed by Kang et al [13].…”
Section: Related Workmentioning
confidence: 99%