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Accurate tooth volume segmentation is a prerequisite for computer-aided dental analysis. Deep learning-based tooth segmentation methods have achieved satisfying performances but require a large quantity of tooth data with ground truth. The…

图像与视频处理 · 电气工程与系统科学 2022-08-04 Weiwei Cui , Yaqi Wang , Yilong Li , Dan Song , Xingyong Zuo , Jiaojiao Wang , Yifan Zhang , Huiyu Zhou , Bung san Chong , Liaoyuan Zeng , Qianni Zhang

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…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Chunshi Wang , Bin Zhao , Shuxue Ding

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…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Paarth Prasad , Ruchika Malhotra

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…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Ananya Jana , Hrebesh Molly Subhash , Dimitris Metaxas

Teeth segmentation is an essential task in dental image analysis for accurate diagnosis and treatment planning. While supervised deep learning methods can be utilized for teeth segmentation, they often require extensive manual annotation of…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Tomáš Kunzo , Viktor Kocur , Lukáš Gajdošech , Martin Madaras

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…

图像与视频处理 · 电气工程与系统科学 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 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…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Matvey Ezhov , Adel Zakirov , Maxim Gusarev

Accurate segmentation for medical images is important for clinical diagnosis. Existing automatic segmentation methods are mainly based on fully supervised learning and have an extremely high demand for precise annotations, which are very…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Yuanpeng Liu , Qinglei Hui , Zhiyi Peng , Shaolin Gong , Dexing Kong

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

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…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Muyi Sun , Yifan Gao , Ziang Jia , Xingqun Qi , Qianli Zhang , Qian Liu , Tianzheng Deng

Purpose: To develop and validate a computer tool for automatic and simultaneous segmentation of body composition depicted on computed tomography (CT) scans for the following tissues: visceral adipose (VAT), subcutaneous adipose (SAT),…

图像与视频处理 · 电气工程与系统科学 2021-12-17 Lucy Pu , Syed F. Ashraf , Naciye S Gezer , Iclal Ocak , Rajeev Dhupar

Due to the lack of automated methods, to diagnose cerebrovascular disease, time-of-flight magnetic resonance angiography (TOF-MRA) is assessed visually, making it time-consuming. The commonly used encoder-decoder architectures for…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Syed Farhan Abbas , Nguyen Thanh Duc , Yoonguu Song , Kyungwon Kim , Ekta Srivastava , Boreom Lee

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…

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…

图像与视频处理 · 电气工程与系统科学 2023-07-06 Jiaxiang Liu , Tianxiang Hu , Yang Feng , Wanghui Ding , Zuozhu Liu

Precision medicine in the quantitative management of chronic diseases and oncology would be greatly improved if the Computed Tomography (CT) scan of any patient could be segmented, parsed and analyzed in a precise and detailed way. However,…

Accurate medical image segmentation is essential for diagnosis and treatment planning of diseases. Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they are…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Ran Gu , Guotai Wang , Tao Song , Rui Huang , Michael Aertsen , Jan Deprest , Sébastien Ourselin , Tom Vercauteren , Shaoting Zhang

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…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Tae Jun Jang , Kang Cheol Kim , Hyun Cheol Cho , Jin Keun Seo

Semantic segmentation for medical 3D image stacks enables accurate volumetric reconstructions, computer-aided diagnostics and follow up treatment planning. In this work, we present a novel variant of the Unet model called the NUMSnet that…

图像与视频处理 · 电气工程与系统科学 2023-04-07 Sohini Roychowdhury

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…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Xiang Feng , Chengkai Wang , Chengyu Wu , Yunxiang Li , Yongbo He , Shuai Wang , Yaiqi Wang

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…

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