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Tooth segmentation is a key step for computer aided diagnosis of dental diseases. Numerous machine learning models have been employed for tooth segmentation on dental panoramic radiograph. However, it is a difficult task to achieve accurate…

人机交互 · 计算机科学 2024-05-15 Shenji Zhu , Miaoxin Hu , Tianya Pan , Yue Hong , Bin Li , Zhiguang Zhou , Ting Xu

Tooth point cloud segmentation is a fundamental task in many orthodontic applications. Current research mainly focuses on fully supervised learning which demands expensive and tedious manual point-wise annotation. Although recent…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Yifan Liu , Wuyang Li , Cheng Wang , Hui Chen , Yixuan Yuan

3D image segmentation is one of the most important and ubiquitous problems in medical image processing. It provides detailed quantitative analysis for accurate disease diagnosis, abnormal detection, and classification. Currently deep…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Zhenxi Zhang , Jie Li , Zhusi Zhong , Zhicheng Jiao , Xinbo Gao

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…

计算机视觉与模式识别 · 计算机科学 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

3D intraoral scan mesh is widely used in digital dentistry diagnosis, segmenting 3D intraoral scan mesh is a critical preliminary task. Numerous approaches have been devised for precise tooth segmentation. Currently, the deep learning-based…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Shufan Xi , Zexian Liu , Junlin Chang , Hongyu Wu , Xiaogang Wang , Aimin Hao

Teeth landmark detection is a key task in modern orthodontics, supporting advanced diagnosis, personalized treatment planning, and effective monitoring of treatment progress. However, several significant challenges may arise due to the…

Teeth localization, segmentation, and labeling from intra-oral 3D scans are essential tasks in modern dentistry to enhance dental diagnostics, treatment planning, and population-based studies on oral health. However, developing automated…

Individual tooth segmentation and identification from cone-beam computed tomography images are preoperative prerequisites for orthodontic treatments. Instance segmentation methods using convolutional neural networks have demonstrated…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Jusang Lee , Minyoung Chung , Minkyung Lee , Yeong-Gil Shin

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…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Weiwei Cui , Yaqi Wang , Qianni Zhang , Huiyu Zhou , Dan Song , Xingyong Zuo , Gangyong Jia , Liaoyuan Zeng

2D single-slice abdominal computed tomography (CT) enables the assessment of body habitus and organ health with low radiation exposure. However, single-slice data necessitates the use of 2D networks for segmentation, but these networks…

Purpose: Segmentation of organs-at-risk (OARs) is a bottleneck in current radiation oncology pipelines and is often time consuming and labor intensive. In this paper, we propose an atlas-based semi-supervised registration algorithm to…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Charles Huang , Masoud Badiei , Hyunseok Seo , Ming Ma , Xiaokun Liang , Dante Capaldi , Michael Gensheimer , Lei Xing

Identifying anatomical landmarks in 3D dental models is essential for orthodontic treatment, yet manual placement is labor-intensive and requires expert knowledge. While machine learning methods have been proposed for automatic landmark…

计算机视觉与模式识别 · 计算机科学 2025-09-01 José Rodríguez-Ortega , Francisco Pérez-Hernández , Siham Tabik

Accurate segmentation of mandibular canals in lower jaws is important in dental implantology. Medical experts determine the implant position and dimensions manually from 3D CT images to avoid damaging the mandibular nerve inside the canal.…

图像与视频处理 · 电气工程与系统科学 2022-11-03 Azka Rehman , Muhammad Usman , Rabeea Jawaid , Amal Muhammad Saleem , Shi Sub Byon , Sung Hyun Kim , Byoung Dai Lee , Byung il Lee , Yeong Gil Shin

Accurately segmenting teeth and identifying the corresponding anatomical landmarks on dental mesh models are essential in computer-aided orthodontic treatment. Manually performing these two tasks is time-consuming, tedious, and, more…

We propose an interactive approach for 3D instance segmentation, where users can iteratively collaborate with a deep learning model to segment objects in a 3D point cloud directly. Current methods for 3D instance segmentation are generally…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Theodora Kontogianni , Ekin Celikkan , Siyu Tang , Konrad Schindler

Deep learning offers a promising avenue for automating many recognition tasks in fields such as medicine and forensics. However, the black-box nature of these models hinders their adoption in high-stakes applications where trust and…

Digital orthodontics represents a prominent and critical application of computer vision technology in the medical field. So far, the labor-intensive process of collecting clinical data, particularly in acquiring paired 3D orthodontic teeth…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Changsong Lei , Yaqian Liang , Shaofeng Wang , Jiajia Dai , Yong-Jin Liu

This paper describes our solution for the Dental Enumeration and Diagnosis on Panoramic X-rays Challenge at MICCAI 2023. Our approach consists of a multi-step framework tailored to the task of detecting and classifying abnormal teeth. The…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Tudor Dascalu , Shaqayeq Ramezanzade , Azam Bakhshandeh , Lars Bjorndal , Bulat Ibragimov

Dents on the aircraft skin are frequent and may easily go undetected during airworthiness checks, as their inspection process is tedious and extremely subject to human factors and environmental conditions. Nowadays, 3D scanning technologies…

计算机视觉与模式识别 · 计算机科学 2023-02-27 Pasquale Lafiosca , Ip-Shing Fan , Nicolas P. Avdelidis

Optical Intra-oral Scanners (IOS) are widely used in digital dentistry, providing 3-Dimensional (3D) and high-resolution geometrical information of dental crowns and the gingiva. Accurate 3D tooth segmentation, which aims to precisely…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Huimin Xiong , Kunle Li , Kaiyuan Tan , Yang Feng , Joey Tianyi Zhou , Jin Hao , Zuozhu Liu