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Compressed Spectrum Sensing (CSS) is widely employed in spectral analysis due to its sampling efficiency. However, conventional CSS assumes a standard sparse spectrum, which is affected by Spectral Leakage (SL). Despite the widespread use…

信息论 · 计算机科学 2024-10-18 Huiguang Zhang , Baoguo Liu

Compressed sensing (CS) or sparse signal reconstruction (SSR) is a signal processing technique that exploits the fact that acquired data can have a sparse representation in some basis. One popular technique to reconstruct or approximate the…

信息论 · 计算机科学 2014-05-08 Esa Ollila , Hyon-Jung Kim , Visa Koivunen

Compressive sensing (CS) is an emerging field based on the revelation that a small collection of linear projections of a sparse signal contains enough information for stable, sub-Nyquist signal acquisition. When a statistical…

信息论 · 计算机科学 2009-06-25 Dror Baron , Shriram Sarvotham , Richard G. Baraniuk

Radio maps enable intelligent wireless applications by capturing the spatial distribution of channel characteristics. However, conventional construction methods demand extensive location-labeled data, which are costly and impractical in…

人工智能 · 计算机科学 2025-12-17 Zheng Xing , Junting Chen

Broadband wireless channels usually have the sparse nature. Based on the assumption of Gaussian noise model, adaptive filtering algorithms for reconstruction sparse channels were proposed to take advantage of channel sparsity. However,…

信息论 · 计算机科学 2015-02-20 Guan Gui , Li Xu , Wentao Ma , Badong Chen

Block compressive sensing is a well-known signal acquisition and reconstruction paradigm with widespread application prospects in science, engineering and cybernetic systems. However, state-of-the-art block-based image compressive sensing…

信号处理 · 电气工程与系统科学 2021-12-03 Yang Gao , Hongping Gan , Haiwei CHen , Chunyi Liu , Feng Liu

In cognitive radio networks (CRN), Out-of-Band (OoB) spectrum sensing provides seamless communication. Cognitive radio (CR) users, so called secondary users (SUs), should avoid interference with primary users (PUs), the owner of the…

网络与互联网体系结构 · 计算机科学 2014-07-15 Yalew Zelalem Jembre , Young-June Choi

In the presence of confounders, the ordinary least squares (OLS) estimator is known to be biased. This problem can be remedied by using the two-stage least squares (TSLS) estimator, based on the availability of valid instrumental variables…

统计方法学 · 统计学 2015-04-15 Cedric E. Ginestet , Richard Emsley , Sabine Landau

Compressed sensing (CS) is a signal processing framework for efficiently reconstructing a signal from a small number of measurements, obtained by linear projections of the signal. In this paper we present an end-to-end deep learning…

图像与视频处理 · 电气工程与系统科学 2019-06-26 Yochai Zur , Amir Adler

Given the high degree of computational complexity of the channel estimation technique based on the conventional one-dimensional (1-D) compressive sensing (CS) framework employed in the hybrid beamforming architecture, this study proposes…

信号处理 · 电气工程与系统科学 2022-07-29 Songjie Yang , Chenfei Xie , Dongli Wang , Zhongpei Zhang

Compressed sensing (CS) with prior information concerns the problem of reconstructing a sparse signal with the aid of a similar signal which is known beforehand. We consider a new approach to integrate the prior information into CS via…

信息论 · 计算机科学 2017-05-23 Xu Zhang , Wei Cui , Yulong Liu

We propose a Binary Robust Least Squares (BRLS) model that encompasses key robust least squares formulations, such as those involving uncertain binary labels and adversarial noise constrained within a hypercube. We show that the geometric…

最优化与控制 · 数学 2025-10-14 Yang Zhou , Xiaojun Chen

Blind calibration of sensors arrays (without using calibration signals) is an important, yet challenging problem in array processing. While many methods have been proposed for "classical" array structures, such as uniform linear arrays, not…

信号处理 · 电气工程与系统科学 2020-10-29 Amir Weiss , Arie Yeredor

We present a new finite-time analysis of the estimation error of the Ordinary Least Squares (OLS) estimator for stable linear time-invariant systems. We characterize the number of observed samples (the length of the observed trajectory)…

统计理论 · 数学 2020-03-27 Yassir Jedra , Alexandre Proutiere

Background and Objective: Processing electrophysiological signals often requires blind source separation (BSS) due to the nature of mixing source signals. However, its complex computational demands make real-time BSS challenging. The…

人机交互 · 计算机科学 2024-11-28 Yao Li , Haowen Zhao , Yunfei Liu , Xu Zhang

A class of recovering algorithms for 1-bit compressive sensing (CS) named Soft Consistency Reconstructions (SCRs) are proposed. Recognizing that CS recovery is essentially an optimization problem, we endeavor to improve the characteristics…

信息论 · 计算机科学 2014-02-25 Xiao Cai , Zhaoyang Zhang , Huazi Zhang , Chunguang Li

Sparse structures are widely recognized and utilized in channel estimation. Two typical mechanisms, namely proportionate updating (PU) and zero-attracting (ZA) techniques, achieve better performance, but their computational complexity are…

信号处理 · 电气工程与系统科学 2023-05-08 Zhen Qin

Compressed sensing (CS) is a signal processing framework for efficiently reconstructing a signal from a small number of measurements, obtained by linear projections of the signal. Block-based CS is a lightweight CS approach that is mostly…

计算机视觉与模式识别 · 计算机科学 2016-06-07 Amir Adler , David Boublil , Michael Elad , Michael Zibulevsky

We analyze the performance of a linear-equality-constrained least-squares (CLS) algorithm and its relaxed version, called rCLS, that is obtained via the method of weighting. The rCLS algorithm solves an unconstrained least-squares problem…

性能 · 计算机科学 2023-07-19 Reza Arablouei , Kutluyıl Doğançay

Compressive sensing is a signal acquisition framework based on the revelation that a small collection of linear projections of a sparse signal contains enough information for stable recovery. In this paper we introduce a new theory for…

信息论 · 计算机科学 2009-01-23 Dror Baron , Marco F. Duarte , Michael B. Wakin , Shriram Sarvotham , Richard G. Baraniuk