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相关论文: Denoising based Vector Approximate Message Passing

200 篇论文

We consider the problem of decoding a discrete signal of categorical variables from the observation of several histograms of pooled subsets of it. We present an Approximate Message Passing (AMP) algorithm for recovering the signal in the…

信息论 · 计算机科学 2020-01-22 Ahmed El Alaoui , Aaditya Ramdas , Florent Krzakala , Lenka Zdeborova , Michael I. Jordan

Deep generative priors offer powerful models for complex-structured data, such as images, audio, and text. Using these priors in inverse problems typically requires estimating the input and/or hidden signals in a multi-layer deep neural…

机器学习 · 计算机科学 2019-11-11 Parthe Pandit , Mojtaba Sahraee-Ardakan , Sundeep Rangan , Philip Schniter , Alyson K. Fletcher

We extend the generalized approximate message passing (G-AMP) approach, originally proposed for high-dimensional generalized-linear regression in the context of compressive sensing, to the generalized-bilinear case, which enables its…

信息论 · 计算机科学 2015-06-17 Jason T. Parker , Philip Schniter , Volkan Cevher

Decentralized generalized approximate message-passing (GAMP) is proposed for compressed sensing from distributed generalized linear measurements in a tree-structured network. Consensus propagation is used to realize average consensus…

信息论 · 计算机科学 2024-06-05 Keigo Takeuchi

The learned denoising-based approximate message passing (LDAMP) algorithm has attracted great attention for image compressed sensing (CS) tasks. However, it has two issues: first, its global measurement model severely restricts its…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Junhui Li , Xingsong Hou , Huake Wang , Shuhao Bi

The combination of deep unfolding with vector approximate message passing (VAMP) algorithm, results in faster convergence and higher sparse recovery accuracy than traditional compressive sensing approaches. However, deep unfolding alters…

信号处理 · 电气工程与系统科学 2025-04-15 Haoyun Zhang , Chengyang Zhang , Xueqian Wang , Gang Li , Xiao-Ping Zhang

Tensor CANDECOMP/PARAFAC decomposition (CPD) is a fundamental model for tensor reconstruction. Although the Bayesian framework allows for principled uncertainty quantification and automatic hyperparameter learning, existing methods do not…

机器学习 · 计算机科学 2026-01-27 Bingyang Cheng , Zhongtao Chen , Yichen Jin , Hao Zhang , Chen Zhang , Edmund Y. Lam , Yik-Chung Wu

We consider communication over the Gaussian multiple-access channel in the regime where the number of users grows linearly with the codelength. In this regime, schemes based on sparse superposition coding can achieve a near-optimal tradeoff…

信息论 · 计算机科学 2025-06-04 Xiaoqi Liu , Kuan Hsieh , Ramji Venkataramanan

This paper presents a unified framework for constructing Approximate Message Passing (AMP) algorithms for rotationally-invariant models. By employing a general iterative algorithm template and reducing it to long-memory Orthogonal AMP…

统计理论 · 数学 2024-12-03 Songbin Liu , Junjie Ma

We give a fast, spectral procedure for implementing approximate-message passing (AMP) algorithms robustly. For any quadratic optimization problem over symmetric matrices $X$ with independent subgaussian entries, and any separable AMP…

数据结构与算法 · 计算机科学 2024-11-06 Misha Ivkov , Tselil Schramm

Motivated by the recent interest in approximate message passing (AMP) for matrix-valued linear observations with superposition of \emph{multiple statistically asymmetric signal sources}, we introduce a multi-source AMP framework in which…

信息论 · 计算机科学 2025-01-22 Burak Çakmak , Giuseppe Caire

This paper considers the massive connectivity problem in an asynchronous grant-free random access system, where a huge number of devices sporadically transmit data to a base station (BS) with imperfect synchronization. The goal is to design…

信息论 · 计算机科学 2021-01-05 Weifeng Zhu , Meixia Tao , Xiaojun Yuan , Yunfeng Guan

For the problem of binary linear classification and feature selection, we propose algorithmic approaches to classifier design based on the generalized approximate message passing (GAMP) algorithm, recently proposed in the context of…

信息论 · 计算机科学 2015-06-18 Justin Ziniel , Philip Schniter , Per Sederberg

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

Approximate message passing (AMP) type algorithms have been widely used in the signal reconstruction of certain large random linear systems. A key feature of the AMP-type algorithms is that their dynamics can be correctly described by state…

信息论 · 计算机科学 2022-06-24 Lei Liu , Shunqi Huang , Brian M. Kurkoski

We study the compressed sensing reconstruction problem for a broad class of random, band-diagonal sensing matrices. This construction is inspired by the idea of spatial coupling in coding theory. As demonstrated heuristically and…

信息论 · 计算机科学 2015-03-19 David L. Donoho , Adel Javanmard , Andrea Montanari

In this paper we consider the generalized approximate message passing (GAMP) algorithm for recovering a sparse signal from modulo samples of randomized projections of the unknown signal. The modulo samples are obtained by a self-reset (SR)…

信号处理 · 电气工程与系统科学 2018-07-10 Osman Musa , Peter Jung , Norbert Goertz

A concise expectation propagation (EP) based message passing algorithm (MPA) is derived for the general measurement channel. By neglecting some high-order infinitesimal terms, the EP-MPA is proven to be equivalent to the Generalized…

信息论 · 计算机科学 2019-07-11 Lei Liu , Ying Li , Chongwen Huang , Chau Yuen , Yong Liang Guan

We study the problem of estimating a rank one signal matrix from an observed matrix generated by corrupting the signal with additive rotationally invariant noise. We develop a new class of approximate message-passing algorithms for this…

统计理论 · 数学 2025-09-09 Rishabh Dudeja , Songbin Liu , Junjie Ma

Approximate Message Passing (AMP) algorithms have seen widespread use across a variety of applications. However, the precise forms for their Onsager corrections and state evolutions depend on properties of the underlying random matrix…

概率论 · 数学 2021-08-16 Zhou Fan