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3D tooth segmentation is a prerequisite for computer-aided dental diagnosis and treatment. However, segmenting all tooth regions manually is subjective and time-consuming. Recently, deep learning-based segmentation methods produce…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Weiwei Cui , Yaqi Wang , Qianni Zhang , Huiyu Zhou , Dan Song , Xingyong Zuo , Gangyong Jia , Liaoyuan Zeng

Cone beam computed tomography (CBCT) is a common way of diagnosing dental related diseases. Accurate segmentation of 3D tooth is of importance for the treatment. Although deep learning based methods have achieved convincing results in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Chunshi Wang , Bin Zhao , Shuxue Ding

We consider the problem of localizing and segmenting individual teeth inside 3D Cone-Beam Computed Tomography (CBCT) images. To handle large image sizes we approach this task with a coarse-to-fine framework, where the whole volume is first…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Matvey Ezhov , Adel Zakirov , Maxim Gusarev

Background:Accurate tooth segmentation from cone beam computed tomography (CBCT) images is crucial for digital dentistry but remains challenging in cases of interdental adhesions, which cause severe anatomical shape distortion. Methods: To…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Zongrui Ji , Zhiming Cui , Na Li , Qianhan Zheng , Miaojing Shi , Ke Deng , Jingyang Zhang , Chaoyuan Li , Xuepeng Chen , Yi Dong , Lei Ma

Accurate and automatic segmentation of three-dimensional (3D) individual teeth from cone-beam computerized tomography (CBCT) images is a challenging problem because of the difficulty in separating an individual tooth from adjacent teeth and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Tae Jun Jang , Kang Cheol Kim , Hyun Cheol Cho , Jin Keun Seo

Despite the growing importance of dental CBCT scans for diagnosis and treatment planning, generating anatomically realistic scans with fine-grained control remains a challenge in medical image synthesis. In this work, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Said Djafar Said , Torkan Gholamalizadeh , Mostafa Mehdipour Ghazi

In computer-assisted orthodontics, three-dimensional tooth models are required for many medical treatments. Tooth segmentation from cone-beam computed tomography (CBCT) images is a crucial step in constructing the models. However, CBCT…

Image and Video Processing · Electrical Eng. & Systems 2023-07-06 Jiaxiang Liu , Tianxiang Hu , Yang Feng , Wanghui Ding , Zuozhu Liu

Tooth segmentation from intraoral scans is a crucial part of digital dentistry. Many Deep Learning based tooth segmentation algorithms have been developed for this task. In most of the cases, high accuracy has been achieved, although, most…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Ananya Jana , Aniruddha Maiti , Dimitris N. Metaxas

With the rapid advancement of artificial intelligence, intelligent dentistry for clinical diagnosis and treatment has become increasingly promising. As the primary clinical dentistry task, tooth structure segmentation for Cone-Beam Computed…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Muyi Sun , Yifan Gao , Ziang Jia , Xingqun Qi , Qianli Zhang , Qian Liu , Tianzheng Deng

3D tooth segmentation is an important task for digital orthodontics. Several Deep Learning methods have been proposed for automatic tooth segmentation from 3D dental models or intraoral scans. These methods require annotated 3D intraoral…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Ananya Jana , Hrebesh Molly Subhash , Dimitris Metaxas

Accurate semantic segmentation of 3D dental models is essential for digital dentistry applications such as orthodontics and dental implants. However, due to complex tooth arrangements and similarities in shape among adjacent teeth, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Qiang He , Wentian Qu , Jiajia Dai , Changsong Lei , Shaofeng Wang , Feifei Zuo , Yajie Wang , Yaqian Liang , Xiaoming Deng , Cuixia Ma , Yong-Jin Liu , Hongan Wang

Cone-beam computed tomography (CBCT) is a valuable imaging method in dental diagnostics that provides information not available in traditional 2D imaging. However, interpretation of CBCT images is a time-consuming process that requires a…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Adel Zakirov , Matvey Ezhov , Maxim Gusarev , Vladimir Alexandrovsky , Evgeny Shumilov

Cone-beam computed tomography (CBCT) is a popular imaging modality in dentistry for diagnosing and planning treatment for a variety of oral diseases with the ability to produce detailed, three-dimensional images of the teeth, jawbones, and…

Image and Video Processing · Electrical Eng. & Systems 2023-06-08 Saba Sarwar , Suraiya Jabin

A critical step in virtual dental treatment planning is to accurately delineate all tooth-bone structures from CBCT with high fidelity and accurate anatomical information. Previous studies have established several methods for CBCT…

Intraoral 3D scanning is now widely adopted in modern dentistry and plays a central role in supporting key tasks such as tooth segmentation, detection, labeling, and dental landmark identification. Accurate analysis of these scans is…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Achraf Ben-Hamadou , Nour Neifar , Ahmed Rekik , Oussama Smaoui , Firas Bouzguenda , Sergi Pujades , Edmond Boyer , Edouard Ladroit

Whole abdominal organ segmentation is important in diagnosing abdomen lesions, radiotherapy, and follow-up. However, oncologists' delineating all abdominal organs from 3D volumes is time-consuming and very expensive. Deep learning-based…

Image and Video Processing · Electrical Eng. & Systems 2023-02-14 Xiangde Luo , Wenjun Liao , Jianghong Xiao , Jieneng Chen , Tao Song , Xiaofan Zhang , Kang Li , Dimitris N. Metaxas , Guotai Wang , Shaoting Zhang

We propose a topology-constrained quantized nnUNet framework for efficient and anatomically accurate 3D tooth segmentation, addressing the challenges of spatial distortion introduced by quantization in deep learning models. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Paarth Prasad , Ruchika Malhotra

Accurate identification, localization, and segregation of teeth from Cone Beam Computed Tomography (CBCT) images are essential for analyzing dental pathologies. Modeling an individual tooth can be challenging and intricate to accomplish,…

Cone-beam tomography enables rapid 3D acquisitions, making it a suitable imaging modality for dental imaging. However, as with all X-ray techniques, the main challenge is to reduce the dose while maintaining good image quality. Moreover,…

Signal Processing · Electrical Eng. & Systems 2024-12-24 Louise Friot--Giroux , Françoise Peyrin , Voichiţa Maxim

Precise Tooth Cone Beam Computed Tomography (CBCT) image segmentation is crucial for orthodontic treatment planning. In this paper, we propose FDNet, a Feature Decoupled Segmentation Network, to excel in the face of the variable dental…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Xiang Feng , Chengkai Wang , Chengyu Wu , Yunxiang Li , Yongbo He , Shuai Wang , Yaiqi Wang
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