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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

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

Cone-beam computed tomography (CBCT) offers advantages over conventional fan-beam CT in that it requires a shorter time and less exposure to obtain images. CBCT has found a wide variety of applications in patient positioning for…

计算机视觉与模式识别 · 计算机科学 2020-07-01 S. Kida , S. Kaji , K. Nawa , T. Imae , T. Nakamoto , S. Ozaki , T. Ohta , Y. Nozawa , K. Nakagawa

In dental cone-beam computed tomography (CBCT), compact and cost-effective system designs often use small detectors, resulting in a truncated field of view (FOV) that does not fully encompass the patient's head. In iterative reconstruction…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Hyoung Suk Park , Kiwan Jeon

In this paper, we present a method to automatically compare multiple radiographs in order to find the identity of a patient out of the dental features. The method is based on the matching of image features, previously extracted by computer…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Oscar de Felice , Gustavo de Felice

Cone Beam Computed Tomography (CBCT) plays a key role in dental diagnosis and surgery. However, the metal teeth implants could bring annoying metal artifacts during the CBCT imaging process, interfering diagnosis and downstream processing…

图像与视频处理 · 电气工程与系统科学 2024-04-19 Yuxuan Shi , Jun Xu , Dinggang Shen

Three-dimensional (3D) reconstruction of head Computed Tomography (CT) images elucidates the intricate spatial relationships of tissue structures, thereby assisting in accurate diagnosis. Nonetheless, securing an optimal head CT scan…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Bowen Zheng , Chenxi Huang , Yuemei Luo

Metal artifacts in computed tomography (CT) arise from a mismatch between physics of image formation and idealized assumptions during tomographic reconstruction. These artifacts are particularly strong around metal implants, inhibiting…

图像与视频处理 · 电气工程与系统科学 2019-09-20 Jan-Nico Zaech , Cong Gao , Bastian Bier , Russell Taylor , Andreas Maier , Nassir Navab , Mathias Unberath

Tooth segmentation is a critical technology in the field of medical image segmentation, with applications ranging from orthodontic treatment to human body identification and dental pathology assessment. Despite the development of numerous…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Dongping Zhang , Zheng Li , Fangao Zeng , Yutong Wei

Tooth segmentation in Cone-Beam Computed Tomography (CBCT) remains challenging, especially for fine structures like root apices, which is critical for assessing root resorption in orthodontics. We introduce GEPAR3D, a novel approach that…

Dental panoramic x-rays are commonly used in dental diagnosing. With the development of deep learning, auto detection of diseases from dental panoramic x-rays can help dentists to diagnose diseases more efficiently.The Dentex Challenge 2023…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Lanshan He , Yusheng Liu , Lisheng Wang

Reconstructing the 3D anatomical structures of the oral cavity, which originally reside in the cone-beam CT (CBCT), from a single 2D Panoramic X-ray(PX) remains a critical yet challenging task, as it can effectively reduce radiation risks…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Wen Ma , Huikai Wu , Zikai Xiao , Yang Feng , Jian Wu , Zuozhu Liu

Industrial cone-beam X-ray computed tomography (CT) scans of additively manufactured components produce a 3D reconstruction from projection measurements acquired at multiple predetermined rotation angles of the component about a single…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Jingsong Lin , Singanallur Venkatakrishnan , Gregery Buzzard , Amir Koushyar Ziabari , Charles Bouman

Accurate representation of tooth position is extremely important in treatment. 3D dental image segmentation is a widely used method, however labelled 3D dental datasets are a scarce resource, leading to the problem of small samples that…

图像与视频处理 · 电气工程与系统科学 2024-02-29 Yifu Zhang , Zuozhu Liu , Yang Feng , Renjing Xu

Cone-beam computed tomography (CBCT) is an important tool facilitating computer aided interventions, despite often suffering from artifacts that pose challenges for accurate interpretation. While the degraded image quality can affect…

图像与视频处理 · 电气工程与系统科学 2024-07-02 Maximilian E. Tschuchnig , Philipp Steininger , Michael Gadermayr

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

3D object detection is one of the most important tasks in 3D vision perceptual system of autonomous vehicles. In this paper, we propose a novel two stage 3D object detection method aimed at get the optimal solution of object location in 3D…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Jiaojiao Fang , Lingtao Zhou , Guizhong Liu

Studying tongue motion during speech using ultrasound is a standard procedure, but automatic ultrasound image labelling remains a challenge, as standard tongue shape extraction methods typically require human intervention. This article…

计算机视觉与模式识别 · 计算机科学 2016-05-20 Aurore Jaumard-Hakoun , Kele Xu , Pierre Roussel-Ragot , Gérard Dreyfus , Bruce Denby

High-fidelity 3D tooth models are essential for digital dentistry, but must capture both the detailed crown and the complete root. Clinical imaging modalities are limited: Cone-Beam Computed Tomography (CBCT) captures the root but has a…

图像与视频处理 · 电气工程与系统科学 2026-01-23 Yi Zhu , Razmig Kechichian , Raphaël Richert , Satoshi Ikehata , Sébastien Valette

Computer Aided Diagnosis has emerged as an indispensible technique for validating the opinion of radiologists in CT interpretation. This paper presents a deep 3D Convolutional Neural Network (CNN) architecture for automated CT scan-based…

图像与视频处理 · 电气工程与系统科学 2019-06-05 Sumita Mishra , Naresh Kumar Chaudhary , Pallavi Asthana , Anil Kumar