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With the rapid expansion of urban areas and the increasingly use of electricity, the need for locating buried cables is becoming urgent. In this paper, a noval method to locate underground cables based on Ground Penetrating Radar (GPR) and…

机器学习 · 计算机科学 2022-08-10 Xiren Zhou , Qiuju Chen , Shengfei Lyu , Huanhuan Chen

Optimization-based approaches dominate infrared small target detection as they leverage infrared imagery's intrinsic low-rankness and sparsity. While effective for single-frame images, they struggle with dynamic changes in multi-frame…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Fengyi Wu , Simin Liu , Haoan Wang , Bingjie Tao , Junhai Luo , Zhenming Peng

Time series analysis remains a major challenge due to its sparse characteristics, high dimensionality, and inconsistent data quality. Recent advancements in transformer-based techniques have enhanced capabilities in forecasting and…

机器学习 · 计算机科学 2024-05-29 Robert Leppich , Vanessa Borst , Veronika Lesch , Samuel Kounev

Automatic Target Recognition (ATR) in Synthetic aperture radar (SAR) images becomes a very challenging problem owing to containing high level noise. In this study, a machine learning-based method is proposed to detect different moving and…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Umut Özkaya

Improving the performance of click-through rate (CTR) prediction remains one of the core tasks in online advertising systems. With the rise of deep learning, CTR prediction models with deep networks remarkably enhance model capacities. In…

机器学习 · 计算机科学 2019-11-05 Yikai Wang , Liang Zhang , Quanyu Dai , Fuchun Sun , Bo Zhang , Yang He , Weipeng Yan , Yongjun Bao

Forward scatter radar (FSR) has emerged as an effective imaging modality for target detection, utilizing forward scattering (FS) signals to reconstruct two-dimensional shadow profile images of objects. However, real-world FS signals are…

计算物理 · 物理学 2025-08-18 ShuQi Lei , Gan Yu , Yuan Tian , XiaoWei Shao

Increasing interest in astronomical applications of non-linear curvature wavefront sensors for turbulence detection and correction makes it important to understand how best to handle the data they produce, particularly at low light levels.…

天体物理仪器与方法 · 物理学 2015-06-12 P. L. Aisher , J. Crass , C. Mackay

This paper describes an interdisciplinary approach to geometry modeling of geospatial boundaries. The objective is to extract surfaces from irregular spatial patterns using differential geometry and obtain coherent directional predictions…

计算工程、金融与科学 · 计算机科学 2020-06-09 Raymond Leung

Dealing with land cover classification of the new image sources has also turned to be a complex problem requiring large amount of memory and processing time. In order to cope with these problems, statistical learning has greatly helped in…

There has been exciting recent progress in using radar as a sensor for robot navigation due to its increased robustness to varying environmental conditions. However, within these different radar perception systems, ground penetrating radar…

机器人学 · 计算机科学 2021-07-19 Alexander Baikovitz , Paloma Sodhi , Michael Dille , Michael Kaess

Using low-frequency (UHF to L-band) ultra-wideband (UWB) synthetic aperture radar (SAR) technology for detecting buried and obscured targets, e.g. bomb or mine, has been successfully demonstrated recently. Despite promising recent progress,…

信号处理 · 电气工程与系统科学 2018-10-09 Tiep Vu , Lam Nguyen , Vishal Monga

Reducing speckle and limiting the variations of the physical parameters in Synthetic Aperture Radar (SAR) images is often a key-step to fully exploit the potential of such data. Nowadays, deep learning approaches produce state of the art…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Inès Meraoumia , Emanuele Dalsasso , Loïc Denis , Florence Tupin

There is rising interest in differentiable rendering, which allows explicitly modeling geometric priors and constraints in optimization pipelines using first-order methods such as backpropagation. Incorporating such domain knowledge can…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Michael Wilmanski , Jonathan Tamir

In this article, we evaluate the performance of a data-driven background estimate method based on Gaussian Process Regression (GPR). A realistic background spectrum from a search conducted by CMS is considered, where a large sub-region…

高能物理 - 实验 · 物理学 2025-08-20 Jackson Barr , Bingxuan Liu

In self-supervised spatio-temporal representation learning, the temporal resolution and long-short term characteristics are not yet fully explored, which limits representation capabilities of learned models. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Yuan Yao , Chang Liu , Dezhao Luo , Yu Zhou , Qixiang Ye

This paper presents five different statistical methods for ground scene prediction (GSP) in wavelength-resolution synthetic aperture radar (SAR) images. The GSP image can be used as a reference image in a change detection algorithm yielding…

图像与视频处理 · 电气工程与系统科学 2022-07-26 B. G. Palm , D. I. Alves , M. I. Pettersson , V. T. Vu , R. Machado , R. J. Cintra , F. M. Bayer , P. Dammert , H. Hellsten

Pre-training on time series poses a unique challenge due to the potential mismatch between pre-training and target domains, such as shifts in temporal dynamics, fast-evolving trends, and long-range and short-cyclic effects, which can lead…

机器学习 · 计算机科学 2022-10-18 Xiang Zhang , Ziyuan Zhao , Theodoros Tsiligkaridis , Marinka Zitnik

Purpose: subject motion and static field (B$_0$) drift are known to reduce the quality of single voxel MR spectroscopy data due to incoherent averaging. Retrospective correction has previously been shown to improve data quality by adjusting…

定量方法 · 定量生物学 2018-09-17 Martin Wilson

Passive radar has key advantages over its active counterpart in terms of cost and stealth. In this paper, we address passive radar imaging problem by interferometric inversion using a spectral estimation method with a priori information…

信号处理 · 电气工程与系统科学 2022-12-06 Samia Kazemi , Bariscan Yonel , Birsen Yazici

For a wide range of clinical applications, such as adaptive treatment planning or intraoperative image update, feature-based deformable registration (FDR) approaches are widely employed because of their simplicity and low computational…