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Inversion of gravity data is an important method for investigating subsurface density variations relevant to mineral exploration, geothermal assessment, carbon storage, natural hydrogen, groundwater resources, and tectonic evolution. Here…

地球物理 · 物理学 2026-04-07 Pankaj K Mishra , Sanni Laaksonen , Jochen Kamm , Anand Singh

Moving target shadows among video synthetic aperture radar (Video-SAR) images are always interfered by low scattering backgrounds and cluttered noises, causing poor detec-tion-tracking accuracy. Thus, a shadow-background-noise 3D spatial…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Xiaowo Xu , Xiaoling Zhang , Tianwen Zhang , Zhenyu Yang , Jun Shi , Xu Zhan

This paper introduces and analyzes the concept of a cognitive inverse synthetic aperture radar (ISAR) ensuring spectral compatibility in crowded electromagnetic environments. In such a context, the proposed approach alternates between…

信号处理 · 电气工程与系统科学 2025-07-14 Massimo Rosamilia , Augusto Aubry , Alessio Balleri , Antonio De Maio , Marco Martorella

Ground Penetrating Radar (GPR) is one of the most important non-destructive evaluation (NDE) devices to detect subsurface objects (i.e., rebars, utility pipes) and reveal the underground scene. The two biggest challenges in GPR-based…

信号处理 · 电气工程与系统科学 2021-05-18 Jinglun Feng , Liang Yang , Jizhong Xiao

Benefiting from a relatively larger aperture's angle, and in combination with a wide transmitting bandwidth, near-field synthetic aperture radar (SAR) provides a high-resolution image of a target's scattering distribution-hot spots.…

图像与视频处理 · 电气工程与系统科学 2022-11-29 Xu Zhan , Xiaoling Zhang , Wensi Zhang , Jun Shi , Shunjun Wei , Tianjiao Zeng

Precise, seamless, and efficient train localization as well as long-term railway environment monitoring is the essential property towards reliability, availability, maintainability, and safety (RAMS) engineering for railroad systems.…

机器人学 · 计算机科学 2023-10-30 Yusheng Wang , Weiwei Song , Yi Zhang , Fei Huang , Zhiyong Tu , Ruoying Li , Shimin Zhang , Yidong Lou

This paper addresses the problem of dense depth predictions from sparse distance sensor data and a single camera image on challenging weather conditions. This work explores the significance of different sensor modalities such as camera,…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Sadique Adnan Siddiqui , Axel Vierling , Karsten Berns

Precise and real-time rail vehicle localization as well as railway environment monitoring is crucial for railroad safety. In this letter, we propose a multi-LiDAR based simultaneous localization and mapping (SLAM) system for railway…

机器人学 · 计算机科学 2021-12-28 Yusheng Wang , Weiwei Song , Yidong Lou , Fei Huang , Zhiyong Tu , Shimin Zhang

In synthetic aperture radar (SAR), images are formed by focusing the response of stationary objects to a single spatial location. On the other hand, moving targets cause phase errors in the standard formation of SAR images that cause…

信息论 · 计算机科学 2013-02-20 Gregory E. Newstadt , Edmund G. Zelnio , Alfred O. Hero

A sparsity-driven algorithm of inverse synthetic aperture radar (ISAR) imaging is proposed. Based on the parametric sparse representation of the received ISAR signal, the problem of ISAR image formation is converted into the joint…

信息论 · 计算机科学 2012-11-08 Gang Li , Wei Rao , Xiqin Wang , Xiang-Gen Xia

In the past few years, deep learning (DL) techniques have been introduced for designing sparse arrays. These methods offer the advantages of feature engineering and low prediction-stage complexity, which is helpful in tackling the…

信号处理 · 电气工程与系统科学 2023-08-10 Kumar Vijay Mishra , Ahmet M. Elbir , Koichi Ichige

Accurate interpolation of seismic data is crucial for improving the quality of imaging and interpretation. In recent years, deep learning models such as U-Net and generative adversarial networks have been widely applied to seismic data…

Driver assistance systems as well as autonomous cars have to rely on sensors to perceive their environment. A heterogeneous set of sensors is used to perform this task robustly. Among them, radar sensors are indispensable because of their…

信号处理 · 电气工程与系统科学 2019-06-26 Johanna Rock , Mate Toth , Elmar Messner , Paul Meissner , Franz Pernkopf

In this paper, we study the optimization of the sensing accuracy of unmanned aerial vehicle (UAV)-based dual-baseline interferometric synthetic aperture radar (InSAR) systems. A swarm of three UAV-synthetic aperture radar (SAR) systems is…

信号处理 · 电气工程与系统科学 2024-11-05 Mohamed-Amine Lahmeri , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

The existing Video Synthetic Aperture Radar (ViSAR) moving target shadow detection methods based on deep neural networks mostly generate numerous false alarms and missing detections, because of the foreground-background…

信号处理 · 电气工程与系统科学 2022-10-07 Zhenyu Yang , Xiaoling Zhang , Xu Zhan

Synthetic Aperture Radar (SAR) images contain a huge amount of information, however, the number of practical use-cases is limited due to the presence of speckle noise in them. In recent years, deep learning based techniques have brought…

图像与视频处理 · 电气工程与系统科学 2020-04-24 Shrey Dabhi , Kartavya Soni , Utkarsh Patel , Priyanka Sharma , Manojkumar Parmar

In this paper, we investigate joint unmanned aerial vehicle (UAV) formation and resource allocation optimization for communication-assisted three-dimensional (3D) synthetic aperture radar (SAR) sensing. We consider a system consisting of…

信号处理 · 电气工程与系统科学 2025-02-10 Mohamed-Amine Lahmeri , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

Onsite disasters like earthquakes can trigger cascading hazards and impacts, such as landslides and infrastructure damage, leading to catastrophic losses; thus, rapid and accurate estimates are crucial for timely and effective post-disaster…

机器学习 · 计算机科学 2024-03-21 Xuechun Li , Paula M. Burgi , Wei Ma , Hae Young Noh , David J. Wald , Susu Xu

In this paper we deal with the linear frequency modulated signals and radar signals that are affected by disturbance which is the inevitable phenomenon in everyday communications. The considered cases represent the cases when the signals of…

信息论 · 计算机科学 2015-02-13 Zoja Vulaj , Faris Kardovic

In multi-view 3D human pose estimation, models typically rely on images captured simultaneously from different camera views to predict a pose at a specific moment. While providing accurate spatial information, this traditional approach…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ling Li , Changjie Chen , Yuyan Wang , Jiaqing Lyu , Kenglun Chang , Yiyun Chen , Zhidong Deng