中文
相关论文

相关论文: On the Performance of Turbo Signal Recovery with P…

200 篇论文

In this letter, we propose a turbo compressed sensing algorithm with partial discrete Fourier transform (DFT) sensing matrices. Interestingly, the state evolution of the proposed algorithm is shown to be consistent with that derived using…

信息论 · 计算机科学 2014-09-10 Junjie Ma , Xiaojun Yuan , Li Ping

In this study, we propose a generalized turbo signal recovery algorithm to estimate a signal from quantized measurements, in which the sensing matrix is a row-orthogonal matrix, such as the partial discrete Fourier transform matrix. The…

信息论 · 计算机科学 2016-11-17 Ting Liu , Chao-Kai Wen , Shi Jin , Xiaohu You

The affine rank minimization (ARM) problem arises in many real-world applications. The goal is to recover a low-rank matrix from a small amount of noisy affine measurements. The original problem is NP-hard, and so directly solving the…

信息论 · 计算机科学 2020-01-08 Zhipeng Xue , Xiaojun Yuan , Junjie Ma , Yi Ma

Compressed sensing is a novel technique where one can recover sparse signals from the undersampled measurements. This paper studies a $K \times N$ partial Fourier measurement matrix for compressed sensing which is deterministically…

信息论 · 计算机科学 2010-12-30 Nam Yul Yu

In this paper we study the compressive sensing effects on 2D signals exhibiting sparsity in 2D DFT domain. A simple algorithm for reconstruction of randomly under-sampled data is proposed. It is based on the analytically determined…

信息论 · 计算机科学 2015-11-17 Srdjan Stankovic , Irena Orovic

In phase retrieval, the goal is to recover a complex signal from the magnitude of its linear measurements. While many well-known algorithms guarantee deterministic recovery of the unknown signal using i.i.d. random measurement matrices,…

信息论 · 计算机科学 2017-03-24 Boshra Rajaei , Sylvain Gigan , Florent Krzakala , Laurent Daudet

We study extensions of compressive sensing and low rank matrix recovery (matrix completion) to the recovery of low rank tensors of higher order from a small number of linear measurements. While the theoretical understanding of low rank…

信息论 · 计算机科学 2016-02-18 Holger Rauhut , Reinhold Schneider , Zeljka Stojanac

For certain sensing matrices, the Approximate Message Passing (AMP) algorithm efficiently reconstructs undersampled signals. However, in Magnetic Resonance Imaging (MRI), where Fourier coefficients of a natural image are sampled with…

信号处理 · 电气工程与系统科学 2020-09-08 Charles Millard , Aaron T Hess , Boris Mailhé , Jared Tanner

We propose a distributed algorithm for sparse signal recovery in sensor networks based on Iterative Hard Thresholding (IHT). Every agent has a set of measurements of a signal x, and the objective is for the agents to recover x from their…

信息论 · 计算机科学 2013-02-22 Stacy Patterson , Yonina C. Eldar , Idit Keidar

The problem of signal recovery from its Fourier transform magnitude is of paramount importance in various fields of engineering and has been around for over 100 years. Due to the absence of phase information, some form of additional…

信息论 · 计算机科学 2015-07-02 Kishore Jaganathan , Samet Oymak , Babak Hassibi

In this paper, an efficient distributed approach for implementing the approximate message passing (AMP) algorithm, named distributed AMP (DAMP), is developed for compressed sensing (CS) recovery in sensor networks with the sparsity K…

分布式、并行与集群计算 · 计算机科学 2014-05-26 Puxiao Han , Ruixin Niu , Mengqi Ren

In a recent paper, the authors proposed a new class of low-complexity iterative thresholding algorithms for reconstructing sparse signals from a small set of linear measurements \cite{DMM}. The new algorithms are broadly referred to as AMP,…

信息论 · 计算机科学 2009-11-24 David L. Donoho , Arian Maleki , Andrea Montanari

This work deals with directional of arrival (DOA) estimation with a large antenna array. We first develop a novel signal model with a sparse system transfer matrix using an inverse discrete Fourier transform (DFT) operation, which leads to…

信号处理 · 电气工程与系统科学 2023-09-04 Yiwen Mao , Dawei Gao , Qinghua Guo , Ming Jin

Turbo compressed sensing (Turbo-CS) is an efficient iterative algorithm for sparse signal recovery with partial orthogonal sensing matrices. In this paper, we extend the Turbo-CS algorithm to solve compressed sensing problems involving more…

信息论 · 计算机科学 2017-03-28 Zhipeng Xue , Junjie Ma , Xiaojun Yuan

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

Discrete Fourier Transform (DFT) is widely used in signal processing to analyze the frequencies in a discrete signal. However, DFT fails to recover the exact Fourier spectrum, when the signal contains frequencies that do not correspond to…

数据分析、统计与概率 · 物理学 2015-06-15 M. Andrecut

Compressed sensing and its extensions have recently triggered interest in randomized signal acquisition. A key finding is that random measurements provide sparse signal reconstruction guarantees for efficient and stable algorithms with a…

信息论 · 计算机科学 2014-07-08 Felix Krahmer , Holger Rauhut

This paper presents modification of the TwIST algorithm for Compressive Sensing MRI images reconstruction. Compressive Sensing is new approach in signal processing whose basic idea is recovering signal form small set of available samples.…

计算机视觉与模式识别 · 计算机科学 2015-03-26 Elma Hot , Petar Sekulić

Approximate message passing (AMP) is an efficient iterative signal recovery algorithm for compressed sensing (CS). For sensing matrices with independent and identically distributed (i.i.d.) Gaussian entries, the behavior of AMP can be…

信息论 · 计算机科学 2016-10-20 Zhipeng Xue , Junjie Ma , Xiaojun Yuan

In many applications in compressed sensing, the measurement matrix is a Fourier matrix, i.e., it measures the Fourier transform of the underlying signal at some specified `base' frequencies $\{u_i\}_{i=1}^M$, where $M$ is the number of…

信息论 · 计算机科学 2018-02-09 Eeshan Malhotra , Himanshu Pandotra , Ajit Rajwade , Karthik S. Gurumoorthy
‹ 上一页 1 2 3 10 下一页 ›