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In this paper, a data-driven approach is proposed to jointly design the common sensing (measurement) matrix and jointly support recovery method for complex signals, using a standard deep auto-encoder for real numbers. The auto-encoder in…

信息论 · 计算机科学 2020-05-07 Wanqing Zhang , Shuaichao Li , Ying Cui

In this paper, we consider the mixture of sparse linear regressions model. Let ${\beta}^{(1)},\ldots,{\beta}^{(L)}\in\mathbb{C}^n$ be $ L $ unknown sparse parameter vectors with a total of $ K $ non-zero coefficients. Noisy linear…

信息论 · 计算机科学 2018-08-03 Dong Yin , Ramtin Pedarsani , Yudong Chen , Kannan Ramchandran

This paper addresses compressive sensing for multi-channel ECG. Compared to the traditional sparse signal recovery approach which decomposes the signal into the product of a dictionary and a sparse vector, the recently developed cosparse…

信息论 · 计算机科学 2013-11-21 Yurrit Avonds , Yipeng Liu , Sabine Van Huffel

In the last two decades, the linear model of coregionalization (LMC) has been widely used to model multivariate spatial processes. However, it can be a challenging task to conduct likelihood-based inference for such models because of the…

统计方法学 · 统计学 2024-12-04 Renaud Alie , David A. Stephens , Alexandra M. Schmidt

Federated edge learning (FEEL) is a promising distributed machine learning (ML) framework to drive edge intelligence applications. However, due to the dynamic wireless environments and the resource limitations of edge devices, communication…

信息论 · 计算机科学 2022-02-18 Yuxuan Sun , Sheng Zhou , Zhisheng Niu , Deniz Gündüz

Frequency-specific patterns of neural activity are traditionally interpreted as sustained rhythmic oscillations, and related to cognitive mechanisms such as attention, high level visual processing or motor control. While alpha waves (8-12…

信号处理 · 电气工程与系统科学 2018-05-29 Tom Dupré La Tour , Thomas Moreau , Mainak Jas , Alexandre Gramfort

Deep neural networks (DNNs) have been quite successful in solving many complex learning problems. However, DNNs tend to have a large number of learning parameters, leading to a large memory and computation requirement. In this paper, we…

机器学习 · 计算机科学 2019-05-21 Sangkyun Lee , Jeonghyun Lee

Electrocardiography (ECG) is a non-invasive tool for predicting cardiovascular diseases (CVDs). Current ECG-based diagnosis systems show promising performance owing to the rapid development of deep learning techniques. However, the label…

信号处理 · 电气工程与系统科学 2023-06-21 Rushuang Zhou , Lei Lu , Zijun Liu , Ting Xiang , Zhen Liang , David A. Clifton , Yining Dong , Yuan-Ting Zhang

In many statistical modeling problems, such as classification and regression, it is common to encounter sparse and blocky coefficients. Sparse fused Lasso is specifically designed to recover these sparse and blocky structured features,…

统计理论 · 数学 2024-05-30 Xiaofei Wu , Rongmei Liang , Zhimin Zhang , Zhenyu Cui

We present a reduced-scaling auxiliary-field quantum Monte Carlo (AFQMC) framework designed for large molecular systems and ensembles, with or without coupling to optical cavities. Our approach leverages the natural block sparsity of…

化学物理 · 物理学 2026-02-03 Yu Zhang

Krylov methods are a key way of solving large sparse linear systems of equations, but suffer from poor strong scalabilty on distributed memory machines. This is due to high synchronization costs from large numbers of collective…

分布式、并行与集群计算 · 计算机科学 2022-03-14 Shelby Lockhart , Amanda Bienz , William Gropp , Luke Olson

Cardiac real-time magnetic resonance imaging (MRI) is an emerging technology that images the heart at up to 50 frames per second, offering insight into the respiratory effects on the heartbeat. However, this method significantly increases…

统计方法学 · 统计学 2025-03-28 Felix Terhag , Philipp Knechtges , Achim Basermann , Anja Bach , Darius Gerlach , Jens Tank , Raúl Tempone

An improved version of the sparse multiway kernel spectral clustering (KSC) is presented in this brief. The original algorithm is derived from weighted kernel principal component (KPCA) analysis formulated within the primal-dual…

机器学习 · 计算机科学 2023-10-23 Mihaly Novak , Rocco Langone , Carlos Alzate , Johan Suykens

Learned Sparse Retrieval (LSR) combines the efficiency of bi-encoders with the transparency of lexical matching, but existing approaches struggle to scale beyond English. We introduce MILCO, an LSR architecture that maps queries and…

信息检索 · 计算机科学 2026-03-20 Thong Nguyen , Yibin Lei , Jia-Huei Ju , Eugene Yang , Andrew Yates

The incoherence between measurement and sparsifying transform matrices and the restricted isometry property (RIP) of measurement matrix are two of the key factors in determining the performance of compressive sensing (CS). In CS-MRI, the…

医学物理 · 物理学 2018-11-21 Kamlesh Pawar , Gary F. Egan , Jingxin Zhang

Cross-component linear model (CCLM) prediction has been repeatedly proven to be effective in reducing the inter-channel redundancies in video compression. Essentially speaking, the linear model is identically trained by employing accessible…

多媒体 · 计算机科学 2021-09-01 Junru Li , Meng Wang , Li Zhang , Shiqi Wang , Kai Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Extreme learning machine (ELM) as an emerging branch of shallow networks has shown its excellent generalization and fast learning speed. However, for blended data, the robustness of ELM is weak because its weights and biases of hidden nodes…

机器学习 · 计算机科学 2014-09-24 Bo Han , Bo He , Mengmeng Ma , Tingting Sun , Tianhong Yan , Amaury Lendasse

Multi-cell cooperation (MCC) is an approach for mitigating inter-cell interference in dense cellular networks. Existing studies on MCC performance typically rely on either over-simplified Wyner-type models or complex system-level…

信息论 · 计算机科学 2012-12-07 Kaibin Huang , Jeffrey G. Andrews

Semantic segmentation of electron microscopy (EM) images of biological samples remains a challenge in the life sciences. EM data captures details of biological structures, sometimes with such complexity that even human observers can find it…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Sheida Rahnamai Kordasiabi , Damian Dalle Nogare , Florian Jug

Sparse support recovery arises in many applications in communications and signal processing. Existing methods tackle sparse support recovery problems for a given measurement matrix, and cannot flexibly exploit the properties of sparsity…

信息论 · 计算机科学 2019-10-11 Shuaichao Li , Wanqing Zhang , Ying Cui , Hei Victor Cheng , Wei Yu