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Instance segmentation is of great importance for many biological applications, such as study of neural cell interactions, plant phenotyping, and quantitatively measuring how cells react to drug treatment. In this paper, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Jingru Yi , Pengxiang Wu , Hui Tang , Bo Liu , Qiaoying Huang , Hui Qu , Lianyi Han , Wei Fan , Daniel J. Hoeppner , Dimitris N. Metaxas

Tooth arrangement is a crucial step in orthodontics treatment, in which aligning teeth could improve overall well-being, enhance facial aesthetics, and boost self-confidence. To improve the efficiency of tooth arrangement and minimize…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Changsong Lei , Mengfei Xia , Shaofeng Wang , Yaqian Liang , Ran Yi , Yuhui Wen , Yongjin Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Matvey Ezhov , Adel Zakirov , Maxim Gusarev

In the field of dentistry, there is a growing demand for increased precision in diagnostic tools, with a specific focus on advanced imaging techniques such as computed tomography, cone beam computed tomography, magnetic resonance imaging,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Walid Brahmi , Imen Jdey , Fadoua Drira

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

Segmentation of mandibles in CT scans during virtual surgical planning is crucial for 3D surgical planning in order to obtain a detailed surface representation of the patients bone. Automatic segmentation of mandibles in CT scans is a…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Bingjiang Qiu , Jiapan Guo , J. Kraeima , R. J. H. Borra , M. J. H. Witjes , P. M. A. van Ooijen

This paper presents a novel method for instance segmentation of 3D point clouds. The proposed method is called Gaussian Instance Center Network (GICN), which can approximate the distributions of instance centers scattered in the whole scene…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Shih-Hung Liu , Shang-Yi Yu , Shao-Chi Wu , Hwann-Tzong Chen , Tyng-Luh Liu

Achieving accurate and automated tumor segmentation plays an important role in both clinical practice and radiomics research. Segmentation in medicine is now often performed manually by experts, which is a laborious, expensive and…

Image and Video Processing · Electrical Eng. & Systems 2022-11-07 Zhengyong Huang , Sijuan Zou , Guoshuai Wang , Zixiang Chen , Hao Shen , Haiyan Wang , Na Zhang , Lu Zhang , Fan Yang , Haining Wangg , Dong Liang , Tianye Niu , Xiaohua Zhuc , Zhanli Hua

Object detection and instance segmentation in remote sensing images is a fundamental and challenging task, due to the complexity of scenes and targets. The latest methods tried to take into account both the efficiency and the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Zhenhang Huang , Shihao Sun , Ruirui Li

The current state-of-the-art methods in 3D instance segmentation typically involve a clustering step, despite the tendency towards heuristics, greedy algorithms, and a lack of robustness to the changes in data statistics. In contrast, we…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Tong He , Wei Yin , Chunhua Shen , Anton van den Hengel

Instance segmentation is a form of image detection which has a range of applications, such as object refinement, medical image analysis, and image/video editing, all of which demand a high degree of accuracy. However, this precision is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Muhammed Korkmaz , T. Metin Sezgin

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…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Shufan Xi , Zexian Liu , Junlin Chang , Hongyu Wu , Xiaogang Wang , Aimin Hao

Teeth segmentation and recognition play a vital role in a variety of dental applications and diagnostic procedures. The integration of deep learning models has facilitated the development of precise and automated segmentation methods.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Devichand Budagam , Azamat Zhanatuly Imanbayev , Iskander Rafailovich Akhmetov , Aleksandr Sinitca , Sergey Antonov , Dmitrii Kaplun

Multi-instance video object segmentation is to segment specific instances throughout a video sequence in pixel level, given only an annotated first frame. In this paper, we implement an effective fully convolutional networks with U-Net…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Heguang Liu , Jingle Jiang

This study explores the potential of graph neural networks (GNNs) to enhance semantic segmentation across diverse image modalities. We evaluate the effectiveness of a novel GNN-based U-Net architecture on three distinct datasets: PascalVOC,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Aryan Singh , Pepijn Van de Ven , Ciarán Eising , Patrick Denny

The most recent fast and accurate image segmentation methods are built upon fully convolutional deep neural networks. In this paper, we propose new deep learning strategies for DenseNets to improve segmenting images with subtle differences…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Seyed Raein Hashemi , Sanjay P. Prabhu , Simon K. Warfield , Ali Gholipour

Accurate tooth identification and segmentation in Cone Beam Computed Tomography (CBCT) dental images can significantly enhance the efficiency and precision of manual diagnoses performed by dentists. However, existing segmentation methods…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Pengyu Dai , Yafei Ou , Yuqiao Yang , Yang Liu , Yue Zhao

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…

Computer Vision and Pattern Recognition · Computer Science 2017-11-02 Min Tang , Zichen Zhang , Dana Cobzas , Martin Jagersand , Jacob L. Jaremko

Medical imaging based prostate cancer diagnosis procedure uses intra-operative transrectal ultrasound (TRUS) imaging to visualize the prostate shape and location to collect tissue samples. Correct tissue sampling from prostate requires…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 M. S. Hossain , A. P. Paplinski , J. M. Betts

The analysis of glandular morphology within colon histopathology images is an important step in determining the grade of colon cancer. Despite the importance of this task, manual segmentation is laborious, time-consuming and can suffer from…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Simon Graham , Hao Chen , Jevgenij Gamper , Qi Dou , Pheng-Ann Heng , David Snead , Yee Wah Tsang , Nasir Rajpoot