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This paper introduces a novel methodology for generating controlled, multi-level dust concentrations in a highly cluttered environment representative of harsh, enclosed environments, such as underground mines, road tunnels, or collapsed…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zhenan Liu , Yaodong Cui , Amir Khajepour , George Shaker

The joint detection and tracking of a moving target embedded in an unknown disturbance represents a key feature that motivates the development of the cognitive radar paradigm. Building upon recent advancements in robust target detection…

Machine Learning · Computer Science 2025-03-06 Imad Bouhou , Stefano Fortunati , Leila Gharsalli , Alexandre Renaux

To achieve high range resolution profile (HRRP), the geometric theory of diffraction (GTD) parametric model is widely used in stepped-frequency radar system. In the paper, a fast synthetic range profile algorithm, called orthogonal matching…

Information Theory · Computer Science 2012-06-12 Rong Fan , Qun Wan , Xiao Zhang , Hui Chen , Yipeng Liu

Sufficient dimension reduction (SDR) methods, which often rely on class precision matrices, are widely used in supervised statistical classification problems. However, when class-specific sample sizes are small relative to the original…

Methodology · Statistics 2025-06-25 Derik T. Boonstra , Rakheon Kim , Dean M. Young

We apply deep learning methods as a track finding algorithm to the PANDA Forward Tracking Stations (FTS). The problem is divided into three steps: The first step relies on an Artificial Neural Network (ANN) that is trained as a binary…

Instrumentation and Detectors · Physics 2019-10-17 W. Esmail , T. Stockmanns , J. Ritman

Joint probabilistic data association (JPDA) filter methods and multiple hypothesis tracking (MHT) methods are widely used for multitarget tracking (MTT). However, they are known to exhibit undesirable behavior in tracking scenarios with…

Signal Processing · Electrical Eng. & Systems 2024-09-12 Thomas Kropfreiter , Florian Meyer , David F. Crouse , Stefano Coraluppi , Franz Hlawatsch , Peter Willett

The problem of sparse approximation and the closely related compressed sensing have received tremendous attention in the past decade. Primarily studied from the viewpoint of applied harmonic analysis and signal processing, there have been…

Information Theory · Computer Science 2018-10-23 Ali Çivril

Denoising methods require some assumptions about the signal of interest and the noise. While most denoising procedures require some knowledge about the noise level, which may be unknown in practice, here we assume that the signal expansion…

Information Theory · Computer Science 2015-06-18 Manuel Moussallam , Alexandre Gramfort , Laurent Daudet , Gaël Richard

In the search for accurate approximate solutions of the many-body Schr\"odinger equation, reduced density matrices play an important role, as they allow to formulate approximate methods with polynomial scaling in the number of particles.…

Quantum Physics · Physics 2024-12-19 Elias Pescoller , Marie Eder , Iva Březinová

Stochastic Gradient Descent (SGD) is an important algorithm in machine learning. With constant learning rates, it is a stochastic process that, after an initial phase of convergence, generates samples from a stationary distribution. We show…

Machine Learning · Statistics 2017-09-12 Stephan Mandt , Matthew D. Hoffman , David M. Blei

Many complex multi-target prediction problems that concern large target spaces are characterised by a need for efficient prediction strategies that avoid the computation of predictions for all targets explicitly. Examples of such problems…

Information Retrieval · Computer Science 2018-03-06 Michiel Stock , Krzysztof Dembczynski , Bernard De Baets , Willem Waegeman

Block-sparse regularization is already well-known in active thermal imaging and is used for multiple measurement based inverse problems. The main bottleneck of this method is the choice of regularization parameters which differs for each…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Samim Ahmadi , Jan Christian Hauffen , Linh Kästner , Peter Jung , Giuseppe Caire , Mathias Ziegler

Infrared Small Target Detection (IRSTD) aims to segment small targets from infrared clutter background. Existing methods mainly focus on discriminative approaches, i.e., a pixel-level front-background binary segmentation. Since infrared…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Haoqing Li , Jinfu Yang , Yifei Xu , Runshi Wang

The research addresses sensor task management for radar systems, focusing on efficiently searching and tracking multiple targets using reinforcement learning. The approach develops a 3D simulation environment with an active electronically…

Machine Learning · Computer Science 2025-02-20 Jan-Hendrik Ewers , David Cormack , Joe Gibbs , David Anderson

In this work, we propose a novel and scalable solution to address the challenges of developing efficient dense predictions on edge platforms. Our first key insight is that MultiTask Learning (MTL) and hardware-aware Neural Architecture…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Thanh Vu , Yanqi Zhou , Chunfeng Wen , Yueqi Li , Jan-Michael Frahm

With the rapid development of space exploration, space debris has attracted more attention due to its potential extreme threat, leading to the need for real-time and accurate debris tracking. However, existing methods are mainly based on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Guohang Zhuang , Weixi Song , Jinyang Huang , Chenwei Yang , Wanli OuYang , Yan Lu

The need for fast sparse optimization is emerging, e.g., to deal with large-dimensional data-driven problems and to track time-varying systems. In the framework of linear sparse optimization, the iterative shrinkage-thresholding algorithm…

Optimization and Control · Mathematics 2025-01-22 Vito Cerone , Sophie M. Fosson , Diego Regruto

The mortality of lung cancer has ranked high among cancers for many years. Early detection of lung cancer is critical for disease prevention, cure, and mortality rate reduction. However, existing detection methods on pulmonary nodules…

Image and Video Processing · Electrical Eng. & Systems 2022-05-13 Juanyun Mai , Minghao Wang , Jiayin Zheng , Yanbo Shao , Zhaoqi Diao , Xinliang Fu , Yulong Chen , Jianyu Xiao , Jian You , Airu Yin , Yang Yang , Xiangcheng Qiu , Jinsheng Tao , Bo Wang , Hua Ji

This paper proposes a visual multi-object tracking method that jointly employs stochastic and deterministic mechanisms to ensure identifier consistency for unknown and time-varying target numbers under nonlinear dynamics. A stochastic…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Toan Van Nguyen , Rasmus G. K. Christiansen , Dirk Kraft , Leon Bodenhagen

We consider an optimization deployment problem of multistatic radar system (MSRS). Through the antenna placing and the transmitted power allocating, we optimally deploy the MSRS for two goals: 1) the first one is to improve the coverage…

Information Theory · Computer Science 2016-05-25 Yichuan Yang , Tianxian Zhang , Wei Yi , Lingjiang Kong , Xiaolong Li , Bing Wang , Xiaobo Yang