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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…

Image and Video Processing · Electrical Eng. & Systems 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

This review presents an in-depth study of the literature on segmentation methods applied in dental imaging. Ten segmentation methods were studied and categorized according to the type of the segmentation method (region-based,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-12 Gil Jader , Luciano Oliveira , Matheus Pithon

Medical image segmentation takes an important position in various clinical applications. 2.5D-based segmentation models bridge the computational efficiency of 2D-based models with the spatial perception capabilities of 3D-based models.…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 De-Xing Huang , Xiao-Hu Zhou , Mei-Jiang Gui , Xiao-Liang Xie , Shi-Qi Liu , Shuang-Yi Wang , Zhen-Qiu Feng , Zhi-Chao Lai , Zeng-Guang Hou

Chronic wounds such as diabetic foot ulcers and pressure injuries require accurate tissue-level assessment to guide treatment planning and monitor healing progression. While deep learning methods have advanced automated wound analysis, most…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Muhammad Ashad Kabir , Rabin Dulal

Scene text segmentation aims at cropping texts from scene images, which is usually used to help generative models edit or remove texts. The existing text segmentation methods tend to involve various text-related supervisions for better…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Haiyang Yu , Teng Fu , Bin Li , Xiangyang Xue

Accurate skin lesion segmentation from dermoscopic images is of great importance for skin cancer diagnosis. However, automatic segmentation of melanoma remains a challenging task because it is difficult to incorporate useful texture…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Rongtao Xu , Changwei Wang , Jiguang Zhang , Shibiao Xu , Weiliang Meng , Xiaopeng Zhang

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…

X-ray images are the first steps for diagnosing and further treating dental problems. So, early diagnosis prevents the development and increase of oral and dental diseases. In this paper, we developed a semantic segmentation algorithm based…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Mohammad Mashayekhi , Sara Ahmadi Majd , Arian Amiramjadi , Babak Mashayekhi

Open-world 3D reconstruction models have recently garnered significant attention. However, without sufficient 3D inductive bias, existing methods typically entail expensive training costs and struggle to extract high-quality 3D meshes. In…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Minghua Liu , Chong Zeng , Xinyue Wei , Ruoxi Shi , Linghao Chen , Chao Xu , Mengqi Zhang , Zhaoning Wang , Xiaoshuai Zhang , Isabella Liu , Hongzhi Wu , Hao Su

Transformer, the model of choice for natural language processing, has drawn scant attention from the medical imaging community. Given the ability to exploit long-term dependencies, transformers are promising to help atypical convolutional…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Hong-Yu Zhou , Jiansen Guo , Yinghao Zhang , Lequan Yu , Liansheng Wang , Yizhou Yu

This study attempts to segment teeth and root-canals simultaneously from CBCT images, but there are very challenging problems in this process. First, the clinical CBCT image data is very large (e.g., 672 *688 * 688), and the use of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Shangxuan Li , Yu Du , Li Ye , Chichi Li , Yanshu Fang , Cheng Wang , Wu Zhou

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…

Image and Video Processing · Electrical Eng. & Systems 2026-01-23 Yi Zhu , Razmig Kechichian , Raphaël Richert , Satoshi Ikehata , Sébastien Valette

Accurate and computationally efficient 3D medical image segmentation remains a critical challenge in clinical workflows. Transformer-based architectures often demonstrate superior global contextual modeling but at the expense of excessive…

Image and Video Processing · Electrical Eng. & Systems 2026-02-19 Kavyansh Tyagi , Vishwas Rathi , Puneet Goyal

Accurate semantic segmentation of urban remote sensing images (URSIs) is essential for urban planning and environmental monitoring. However, it remains challenging due to the subtle texture differences and similar spatial structures among…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Guoyu Zhou , Jing Zhang , Yi Yan , Hui Zhang , Li Zhuo

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

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

3D Morphable models of the human body capture variations among subjects and are useful in reconstruction and editing applications. Current dental models use an explicit mesh scene representation and model only the teeth, ignoring the gum.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Congyi Zhang , Mohamed Elgharib , Gereon Fox , Min Gu , Christian Theobalt , Wenping Wang

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

Medical segmentation plays an important role in clinical applications like radiation therapy and surgical guidance, but acquiring clinically acceptable results is difficult. In recent years, progress has been witnessed with the success of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Xin Zhang , Dongdong Meng , Sheng Li

Automatic teeth segmentation in panoramic x-ray images is an important research subject of the image analysis in dentistry. In this study, we propose a post-processing stage to obtain a segmentation map in which the objects in the image are…

Image and Video Processing · Electrical Eng. & Systems 2022-04-04 Selahattin Serdar Helli , Andac Hamamci