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Three-dimensional (3D) tooth instance segmentation remains challenging due to crowded arches, ambiguous tooth-gingiva boundaries, missing teeth, and rare yet clinically important third molars. Native 3D methods relying on geometric cues…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Xiaolan Li , Wanquan Liu , Pengcheng Li , Pengyu Jie , Chenqiang Gao

This paper proposes a 3D attention-based U-Net architecture for multi-region segmentation of brain tumors using a single stacked multi-modal volume created by combining three non-native MRI volumes. The attention mechanism added to the…

图像与视频处理 · 电气工程与系统科学 2023-05-11 Maryann M. Gitonga

Deep convolutional neural networks (CNNs) have been intensively used for multi-class segmentation of data from different modalities and achieved state-of-the-art performances. However, a common problem when dealing with large, high…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Chengjia Wang , Tom MacGillivray , Gillian Macnaught , Guang Yang , David Newby

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

图像与视频处理 · 电气工程与系统科学 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

Accurate three-dimensional (3D) tooth segmentation from Cone-Beam Computed Tomography (CBCT) is a prerequisite for digital dental workflows. However, achieving high-fidelity segmentation remains challenging due to adhesion artifacts in…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Bing Yu , Liu Shi , Haitao Wang , Deran Qi , Xiang Cai , Wei Zhong , Qiegen Liu

This paper proposed a cutting-edge multiclass teeth segmentation architecture that integrates an M-Net-like structure with Swin Transformers and a novel component named Teeth Attention Block (TAB). Existing teeth image segmentation methods…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Afnan Ghafoor , Seong-Yong Moon , Bumshik Lee

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

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…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Achraf Ben-Hamadou , Nour Neifar , Ahmed Rekik , Oussama Smaoui , Firas Bouzguenda , Sergi Pujades , Edmond Boyer , Edouard Ladroit

Gliomas are the most common and aggressive among brain tumors, which cause a short life expectancy in their highest grade. Therefore, treatment assessment is a key stage to enhance the quality of the patients' lives. Recently, deep…

图像与视频处理 · 电气工程与系统科学 2020-04-07 Mehrdad Noori , Ali Bahri , Karim Mohammadi

We propose an attention mechanism for 3D medical image segmentation. The method, named segmentation-by-detection, is a cascade of a detection module followed by a segmentation module. The detection module enables a region of interest to…

计算机视觉与模式识别 · 计算机科学 2017-11-02 Min Tang , Zichen Zhang , Dana Cobzas , Martin Jagersand , Jacob L. Jaremko

Accurate segmentation of the tooth point cloud is of great significance for diagnosis clinical assisting and treatment planning. Existing methods mostly employ semantic segmentation, focusing on the semantic feature between different types…

图形学 · 计算机科学 2026-01-01 Yating Cai , Yanghui Xu , Zehua Hu , Jiazhou Chen , Jing Huang

Understanding objects at the level of their constituent parts is fundamental to advancing computer vision, graphics, and robotics. While datasets like PartNet have driven progress in 3D part understanding, their reliance on untextured…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Penghao Wang , Yiyang He , Xin Lv , Yukai Zhou , Lan Xu , Jingyi Yu , Jiayuan Gu

3D volume segmentation is a fundamental task in many scientific and medical applications. Producing accurate segmentations efficiently is challenging, in part due to low imaging data quality (e.g., noise and low image resolution) and…

Multi-organ segmentation is one of most successful applications of deep learning in medical image analysis. Deep convolutional neural nets (CNNs) have shown great promise in achieving clinically applicable image segmentation performance on…

图像与视频处理 · 电气工程与系统科学 2020-12-18 Hao Tang , Xingwei Liu , Kun Han , Shanlin Sun , Narisu Bai , Xuming Chen , Huang Qian , Yong Liu , Xiaohui Xie

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…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Ananya Jana , Aniruddha Maiti , Dimitris N. Metaxas

In recent decades, the vision community has witnessed remarkable progress in visual recognition, partially owing to advancements in dataset benchmarks. Notably, the established COCO benchmark has propelled the development of modern…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Xueqing Deng , Qihang Yu , Peng Wang , Xiaohui Shen , Liang-Chieh Chen

Medical image analysis faces significant challenges due to limited annotation data, particularly in three-dimensional carotid artery segmentation tasks, where existing datasets exhibit spatially discontinuous slice annotations with only a…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Haoxuan Li , Wei Song , Aofan Liu , Peiwu Qin

We propose a novel Deep Active Learning (DeepAL) model-3D Wasserstein Discriminative UNet (WD-UNet) for reducing the annotation effort of medical 3D Computed Tomography (CT) segmentation. The proposed WD-UNet learns in a semi-supervised way…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Shiyi Wang , Yang Nan , Simon Walsh , Guang Yang

Recently, a growing interest has been seen in deep learning-based semantic segmentation. UNet, which is one of deep learning networks with an encoder-decoder architecture, is widely used in medical image segmentation. Combining multi-scale…

图像与视频处理 · 电气工程与系统科学 2020-04-21 Huimin Huang , Lanfen Lin , Ruofeng Tong , Hongjie Hu , Qiaowei Zhang , Yutaro Iwamoto , Xianhua Han , Yen-Wei Chen , Jian Wu

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