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Mixed spatial autoregressive (SAR) models with numerical covariates have been well studied. However, as non-numerical data, such as functional data and compositional data, receive substantial amounts of attention and are applied to…

应用统计 · 统计学 2018-11-08 Huiwen Wang , Tingting Huang , Shanshan Wang

Existing polarimetric synthetic aperture radar (PolSAR) image classification methods cannot achieve satisfactory performance on complex scenes characterized by several types of land cover with significant levels of noise or similar…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Wenshuai Chen , Shuiping Gou , Xinlin Wang , Licheng Jiao , Changzhe Jiao , Alina Zare

This paper proposes a method for detecting multiple scatterers (targets) in the elevation direction for synthetic aperture radar (SAR) tomography. The proposed method can resolve closely spaced targets through a twostep procedure. In the…

信息论 · 计算机科学 2022-04-11 Ahmad Naghavi , Mohammad Sadegh Fazel , Mojtaba Beheshti , Ehsan Yazdian

Synthetic aperture radar (SAR) images are widely used in remote sensing. Interpreting SAR images can be challenging due to their intrinsic speckle noise and grayscale nature. To address this issue, SAR colorization has emerged as a research…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Kangqing Shen , Gemine Vivone , Xiaoyuan Yang , Simone Lolli , Michael Schmitt

Automotive synthetic aperture radar (SAR) can achieve a significant angular resolution enhancement for detecting static objects, which is essential for automated driving. Obtaining high resolution SAR images requires precise ego vehicle…

信号处理 · 电气工程与系统科学 2022-04-25 Oded Bialer , Tom Tirer

In this paper, new upper limits on the parameters of the Continuous Spontaneous Localization (CSL) collapse model are extracted. To this end, the X-ray emission data collected by the IGEX collaboration are analyzed and compared with the…

量子物理 · 物理学 2017-10-06 K. Piscicchia , A. Bassi , C. Curceanu , R. Del Grande , S. Donadi , B. C. Hiesmayr , A. Pichler

Super-resolution (SR) is a useful technology to generate a high-resolution (HR) visual output from the low-resolution (LR) visual inputs overcoming the physical limitations of the cameras. However, SR has not been applied to enhance the…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Hongmin Li , Guoqi Li , Hanchao Liu , Luping Shi

The upcoming 6G mobile communication standard will offer a revolutionary new feature: Integrated sensing and communication (ISAC) reuses mobile communication signals to realize multi-static radar for various applications including…

Composed Image Retrieval (CIR) enables image search by combining a reference image with modification text. Intrinsic noise in CIR triplets incurs intrinsic uncertainty and threatens the model's robustness. Probabilistic learning approaches…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Haomiao Tang , Jinpeng Wang , Minyi Zhao , Guanghao Meng , Ruisheng Luo , Long Chen , Shu-Tao Xia

We show that the class of conditional distributions satisfying the coarsening at random (CAR) property for discrete data has a simple and robust algorithmic description based on randomized uniform multicovers: combinatorial objects…

统计理论 · 数学 2023-05-30 Richard D. Gill , Peter D. Grünwald

As a computationally fast and working efficient tool, sure independence screening has received much attention in solving ultrahigh dimensional problems. This paper contributes two robust sure screening approaches that simultaneously take…

统计方法学 · 统计学 2021-07-27 Xiaochao Xia

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

As synthetic images become increasingly realistic, reliable synthetic image detection techniques are of pressing need to prevent their misuse. Despite satisfactory in-distribution performance, deep neural network-based synthetic image…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Kaixiang Zheng , Jacob H. Seidman

Automotive targets undergoing turns in road junctions offer large synthetic apertures over short dwell times to automotive radars that can be exploited for obtaining fine cross-range resolution. Likewise, the wide bandwidths of the…

信号处理 · 电气工程与系统科学 2022-09-28 Shobha Sundar Ram

This paper presents a novel radar signal detection pipeline focused on detecting large targets such as cars and SUVs. Traditional methods, such as Ordered-Statistic Constant False Alarm Rate (OS-CFAR), commonly used in automotive radar, are…

信号处理 · 电气工程与系统科学 2025-07-08 Vinay Kulkarni , V. V. Reddy , Neha Maheshwari

Isotropic $\alpha$-stable distributions are central in the theory of heavy-tailed distributions and play a role similar to that of the Gaussian density among finite second-moment laws. Given a sequence of $n$ observations, we are interested…

信息论 · 计算机科学 2024-12-20 Jihad Fahs , Ibrahim Abou-Faycal , Ibrahim Issa

Multiple-input-multiple-output (MIMO) millimeter-wave (mmWave) sensors for synthetic aperture radar (SAR) and inverse SAR (ISAR) address the fundamental challenges of cost-effectiveness and scalability inherent to near-field imaging. In…

信号处理 · 电气工程与系统科学 2023-05-04 Josiah W. Smith , Muhammet Emin Yanik , Murat Torlak

Recently, the stochastic asymptotical regularization (SAR) has been developed in (\emph{Inverse Problems}, 39: 015007, 2023) for the uncertainty quantification of the stable approximate solution of linear ill-posed inverse problems. In this…

数值分析 · 数学 2024-08-27 Haie Long , Ye Zhang

Synthetic Aperture Radar (SAR) and optical image registration is essential for remote sensing data fusion, with applications in military reconnaissance, environmental monitoring, and disaster management. However, challenges arise from…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Wenfei Zhang , Ruipeng Zhao , Yongxiang Yao , Yi Wan , Peihao Wu , Jiayuan Li , Yansheng Li , Yongjun Zhang

A Statistic Vectorial Complex Ray Model (SVCRM) is proposed for the scattering of a plane wave by a non-spherical dielectric particle in three dimensions. This method counts the complex amplitudes of all rays arriving in a tiny box in the…

光学 · 物理学 2024-03-21 Ruiping Yang , Bing Wei , Claude Rozé , Saïd Idlahcen , Kuan Ffang Ren
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