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Computer vision has advanced significantly that many discriminative approaches such as object recognition are now widely used in real applications. We present another exciting development that utilizes generative models for the mass…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Jyh-Jing Hwang , Sergei Azernikov , Alexei A. Efros , Stella X. Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Jusang Lee , Minyoung Chung , Minkyung Lee , Yeong-Gil Shin

Usually, lesions are not isolated but are associated with the surrounding tissues. For example, the growth of a tumour can depend on or infiltrate into the surrounding tissues. Due to the pathological nature of the lesions, it is…

Image and Video Processing · Electrical Eng. & Systems 2022-10-12 Lin Wang , Xiufen Ye , Donghao Zhang , Wanji He , Lie Ju , Yi Luo , Huan Luo , Xin Wang , Wei Feng , Kaimin Song , Xin Zhao , Zongyuan Ge

Tooth arrangement is an essential step in the digital orthodontic planning process. Existing learning-based methods use hidden teeth features to directly regress teeth motions, which couples target pose perception and motion regression. It…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Zhihui He , Chengyuan Wang , Shidong Yang , Li Chen , Yanheng Zhou , Shuo Wang

Quantitative assessment of the abdominal region from clinically acquired CT scans requires the simultaneous segmentation of abdominal organs. Thanks to the availability of high-performance computational resources, deep learning-based…

Image and Video Processing · Electrical Eng. & Systems 2022-10-11 Samra Irshad , Douglas P. S. Gomes , Seong Tae Kim

Segmentation of 3D medical images is a critical task for accurate diagnosis and treatment planning. Convolutional neural networks (CNNs) have dominated the field, achieving significant success in 3D medical image segmentation. However, CNNs…

Image and Video Processing · Electrical Eng. & Systems 2025-02-11 Canxuan Gang

Image processing techniques has been widely used in dental researches such as human identification and forensic dentistry, teeth numbering, dental carries detection and periodontal disease analysis. One of the most challenging parts in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Elaheh Hatamimajoumerd , Farshad Tajeripour

Segmentation of distinct bones plays a crucial role in diagnosis, planning, navigation, and the assessment of bone metastasis. It supplies semantic knowledge to visualisation tools for the planning of surgical interventions and the…

Image and Video Processing · Electrical Eng. & Systems 2020-10-15 Eva Schnider , Antal Horváth , Georg Rauter , Azhar Zam , Magdalena Müller-Gerbl , Philippe C. Cattin

Accurate detection and segmentation of anatomical structures from ultrasound images are crucial for clinical diagnosis and biometric measurements. Although ultrasound imaging has been widely used with superiorities such as low cost and…

Computer Vision and Pattern Recognition · Computer Science 2016-07-08 Hao Chen , Yefeng Zheng , Jin-Hyeong Park , Pheng-Ann Heng , S. Kevin Zhou

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…

Image and Video Processing · Electrical Eng. & Systems 2024-02-29 Yifu Zhang , Zuozhu Liu , Yang Feng , Renjing Xu

3D teeth segmentation, involving the localization of tooth instances and their semantic categorization in 3D dental models, is a critical yet challenging task in digital dentistry due to the complexity of real-world dentition. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Zhiguo Lu , Jianwen Lou , Mingjun Ma , Hairong Jin , Youyi Zheng , Kun Zhou

Accurate identification, localization, and segregation of teeth from Cone Beam Computed Tomography (CBCT) images are essential for analyzing dental pathologies. Modeling an individual tooth can be challenging and intricate to accomplish,…

Accurately segmenting different organs from medical images is a critical prerequisite for computer-assisted diagnosis and intervention planning. This study proposes a deep learning-based approach for segmenting various organs from CT and…

Accurate teeth segmentation and orientation are fundamental in modern oral healthcare, enabling precise diagnosis, treatment planning, and dental implant design. In this study, we present a comprehensive approach to teeth segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Mou Deb , Madhab Deb , Mrinal Kanti Dhar

We proposed a convolutional neural network for vertex classification on 3-dimensional dental meshes, and used it to detect teeth margins. An expanding layer was constructed to collect statistic values of neighbor vertex features and compute…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Hu Chen , Hong Li , Bifu Hu , Kenan Ma , Yuchun Sun

Polygonal meshes have become the standard for discretely approximating 3D shapes, thanks to their efficiency and high flexibility in capturing non-uniform shapes. This non-uniformity, however, leads to irregularity in the mesh structure,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Giuseppe Vecchio , Luca Prezzavento , Carmelo Pino , Francesco Rundo , Simone Palazzo , Concetto Spampinato

The ability to segment teeth precisely from digitized 3D dental models is an essential task in computer-aided orthodontic surgical planning. To date, deep learning based methods have been popularly used to handle this task. State-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Lingming Zhang , Yue Zhao , Deyu Meng , Zhiming Cui , Chenqiang Gao , Xinbo Gao , Chunfeng Lian , Dinggang Shen

Automatic tooth instance segmentation on 3D dental models is a fundamental task for computer-aided orthodontic treatments. Existing learning-based methods rely heavily on expensive point-wise annotations. To alleviate this problem, we are…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Liangdong Qiu , Chongjie Ye , Pei Chen , Yunbi Liu , Xiaoguang Han , Shuguang Cui

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

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…