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Accurate completion and denoising of roof height maps are crucial to reconstructing high-quality 3D buildings. Repairing sparse points can enhance low-cost sensor use and reduce UAV flight overlap. RoofDiffusion is a new end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Kyle Shih-Huang Lo , Jörg Peters , Eric Spellman

Pulmonary Embolism (PE) is a life-threatening condition for which accurate and timely detection is critical to patient care. However, our systematic study of PE segmentation algorithms reveals concerning limitations in the current state of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Yixin Zhang , Ryan Chamberlain , Lawrence Ngo , Kevin Kramer , Maciej A. Mazurowski

Adenoid hypertrophy stands as a common cause of obstructive sleep apnea-hypopnea syndrome in children. It is characterized by snoring, nasal congestion, and growth disorders. Computed Tomography (CT) emerges as a pivotal medical imaging…

Image and Video Processing · Electrical Eng. & Systems 2024-12-03 Rulin Zhou , Yingjie Feng , Guankun Wang , Xiaopin Zhong , Zongze Wu , Qiang Wu , Xi Zhang

Pulmonary emphysema is traditionally subcategorized into three subtypes, which have distinct radiological appearances on computed tomography (CT) and can help with the diagnosis of chronic obstructive pulmonary disease (COPD). Automated…

Computer Vision and Pattern Recognition · Computer Science 2016-12-07 Jie Yang , Elsa D. Angelini , Benjamin M. Smith , John H. M. Austin , Eric A. Hoffman , David A. Bluemke , R. Graham Barr , Andrew F. Laine

Fiber tractography on diffusion imaging data offers rich potential for describing white matter pathways in the human brain, but characterizing the spatial organization in these large and complex data sets remains a challenge. We show that…

Methodology · Statistics 2015-06-18 Brian P. Kent , Alessandro Rinaldo , Fang-Cheng Yeh , Timothy Verstynen

Pulmonary nodules are critical indicators for the early diagnosis of lung cancer, making their detection essential for timely treatment. However, traditional CT imaging methods suffered from cumbersome procedures, low detection rates, and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-29 Guohui Cai , Ruicheng Zhang , Hongyang He , Zeyu Zhang , Daji Ergu , Yuanzhouhan Cao , Jinman Zhao , Binbin Hu , Zhinbin Liao , Yang Zhao , Ying Cai

The past few years have seen an increased interest in aerial image object detection due to its critical value to large-scale geo-scientific research like environmental studies, urban planning, and intelligence monitoring. However, the task…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Liya Wang , Alex Tien

3D semantic segmentation plays a fundamental and crucial role to understand 3D scenes. While contemporary state-of-the-art techniques predominantly concentrate on elevating the overall performance of 3D semantic segmentation based on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Weiguang Zhao , Rui Zhang , Qiufeng Wang , Guangliang Cheng , Kaizhu Huang

Accurate segmentation of the heart is essential for personalized blood flow simulations and surgical intervention planning. Segmentations need to be accurate in every spatial dimension, which is not ensured by segmenting data slice by…

Image and Video Processing · Electrical Eng. & Systems 2024-01-25 Lee Jollans , Mariana Bustamante , Lilian Henriksson , Anders Persson , Tino Ebbers

Unsupervised segmentation of pulmonary pathologies in CT remains an open challenge due to the absence of annotated multi pathology cohorts and the failure of existing diffusion-based methods to exploit the quantitative Hounsfield Unit (HU)…

Image and Video Processing · Electrical Eng. & Systems 2026-05-13 Rezkellah Noureddine Khiati , Pierre-Yves Brillet , Catalin Fetita

Recent advancements in Diffusion Transformer (DiT) models have significantly improved 3D point cloud generation. However, existing methods primarily focus on local feature extraction while overlooking global topological information, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Zechao Guan , Feng Yan , Shuai Du , Lin Ma , Qingshan Liu

The detection of human parts (e.g., hands, face) and their correct association with individuals is an essential task, e.g., for ubiquitous human-machine interfaces and action recognition. Traditional methods often employ multi-stage…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Zhongpai Gao , Huayi Zhou , Abhishek Sharma , Meng Zheng , Benjamin Planche , Terrence Chen , Ziyan Wu

Despite the increasing use of deep learning in medical image segmentation, the limited availability of annotated training data remains a major challenge due to the time-consuming data acquisition and privacy regulations. In the context of…

Image and Video Processing · Electrical Eng. & Systems 2024-06-11 Aghiles Kebaili , Jérôme Lapuyade-Lahorgue , Pierre Vera , Su Ruan

Automatic lesion detection and segmentation from [${}^{18}$F]FDG PET/CT scans is a challenging task, due to the diversity of shapes, sizes, FDG uptake and location they may present, besides the fact that physiological uptake is also present…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Yamila Rotstein Habarnau , Mauro Namías

The main purpose of this study is to develop a pipeline for COVID-19 detection from a big and challenging database of Computed Tomography (CT) images. The proposed pipeline includes a segmentation part, a lung extraction part, and a…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Kenan Morani

Automated lobar segmentation allows regional evaluation of lung disease and is important for diagnosis and therapy planning. Advanced statistical workflows permitting such evaluation is a needed area within respiratory medicine; their…

Image and Video Processing · Electrical Eng. & Systems 2021-05-12 Marc Boubnovski Martell , Mitchell Chen , Kristofer Linton-Reid , Joram M. Posma , Susan J Copley , Eric O. Aboagye

Road network graphs provide critical information for autonomous-vehicle applications, such as drivable areas that can be used for motion planning algorithms. To find road network graphs, manually annotation is usually inefficient and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Zhenhua Xu , Yuxuan Liu , Lu Gan , Yuxiang Sun , Xinyu Wu , Ming Liu , Lujia Wang

Motion estimation of organs in a sequence of images is important in numerous medical imaging applications. The focus of this paper is the analysis of 4D Respiratory Correlated Computed Tomography (RCCT) Imaging. It is hypothesized that the…

Image and Video Processing · Electrical Eng. & Systems 2019-09-27 Markus D. Foote , Pouya Sabouri , Amit Sawant , Sarang C. Joshi

Model-based reconstruction employing the time separation technique (TST) was found to improve dynamic perfusion imaging of the liver using C-arm cone-beam computed tomography (CBCT). To apply TST using prior knowledge extracted from CT…

The precise characterization of plant morphology provides valuable insights into plant environment interactions and genetic evolution. A key technology for extracting this information is 3D segmentation, which delineates individual plant…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Ruiming Du , Guangxun Zhai , Tian Qiu , Yu Jiang