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Deep learning-based fully automatic segmentation of the maxillary sinus on cone-beam computed tomographic images

 Hanseung Choi  ;  Kug Jin Jeon  ;  Young Hyun Kim  ;  Eun-Gyu Ha  ;  Chena Lee  ;  Sang-Sun Han 
 SCIENTIFIC REPORTS, Vol.12(1) : 14009, 2022-08 
Journal Title
Issue Date
Cone-Beam Computed Tomography / methods ; Deep Learning* ; Image Processing, Computer-Assisted / methods ; Maxillary Sinus* / diagnostic imaging ; Neural Networks, Computer
The detection of maxillary sinus wall is important in dental fields such as implant surgery, tooth extraction, and odontogenic disease diagnosis. The accurate segmentation of the maxillary sinus is required as a cornerstone for diagnosis and treatment planning. This study proposes a deep learning-based method for fully automatic segmentation of the maxillary sinus, including clear or hazy states, on cone-beam computed tomographic (CBCT) images. A model for segmentation of the maxillary sinuses was developed using U-Net, a convolutional neural network, and a total of 19,350 CBCT images were used from 90 maxillary sinuses (34 clear sinuses, 56 hazy sinuses). Post-processing to eliminate prediction errors of the U-Net segmentation results increased the accuracy. The average prediction results of U-Net were a dice similarity coefficient (DSC) of 0.9090 ± 0.1921 and a Hausdorff distance (HD) of 2.7013 ± 4.6154. After post-processing, the average results improved to a DSC of 0.9099 ± 0.1914 and an HD of 2.1470 ± 2.2790. The proposed deep learning model with post-processing showed good performance for clear and hazy maxillary sinus segmentation. This model has the potential to help dental clinicians with maxillary sinus segmentation, yielding equivalent accuracy in a variety of cases.
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2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Radiology (영상치의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Chena(이채나) ORCID logo https://orcid.org/0000-0002-8943-4192
Jeon, Kug Jin(전국진) ORCID logo https://orcid.org/0000-0002-5862-2975
Han, Sang Sun(한상선) ORCID logo https://orcid.org/0000-0003-1775-7862
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