Federated unsupervised representation learning

F Zhang, K Kuang, L Chen, Z You, T Shen… - Frontiers of Information …, 2023 - Springer
To leverage the enormous amount of unlabeled data on distributed edge devices, we
formulate a new problem in federated learning called federated unsupervised …

Cloud K-SVD: A collaborative dictionary learning algorithm for big, distributed data

H Raja, WU Bajwa - IEEE Transactions on Signal Processing, 2015 - ieeexplore.ieee.org
This paper studies the problem of data-adaptive representations for big, distributed data. It is
assumed that a number of geographically-distributed, interconnected sites have massive …

Cooperative stabilization of a class of LTI plants with distributed observers

K Liu, H Zhu, J Lü - IEEE Transactions on Circuits and Systems I …, 2017 - ieeexplore.ieee.org
Over the last decades, the cooperative design of complex networked systems has received
an increasing attention in real-world engineering practices. Traditionally, each node in the …

A distributed and maximum-likelihood sensor network localization algorithm based upon a nonconvex problem formulation

T Erseghe - IEEE Transactions on Signal and Information …, 2015 - ieeexplore.ieee.org
We propose a distributed algorithm for sensor network localization, which is based upon a
decomposition of the nonlinear nonconvex maximum likelihood (ML) localization problem …

Denoising algorithm of OCT images via sparse representation based on noise estimation and global dictionary

X Zhang, Z Li, N Nan, X Wang - Optics Express, 2022 - opg.optica.org
Optical coherence tomography (OCT) is a high-resolution and non-invasive optical imaging
technology, which is widely used in many fields. Nevertheless, OCT images are disturbed by …

Robust proportionate adaptive filter based on maximum correntropy criterion for sparse system identification in impulsive noise environments

W Ma, D Zheng, Z Zhang, J Duan, B Chen - Signal, Image and Video …, 2018 - Springer
Proportionate-type adaptive filtering (PtAF) algorithms have been successfully applied to
sparse system identification. The major drawback of the traditional PtAF algorithms based on …

Manifold optimization-based analysis dictionary learning with an ℓ1∕ 2-norm regularizer

Z Li, S Ding, Y Li, Z Yang, S Xie, W Chen - Neural Networks, 2018 - Elsevier
Recently there has been increasing attention towards analysis dictionary learning. In
analysis dictionary learning, it is an open problem to obtain the strong sparsity-promoting …

Hashing for distributed data

C Leng, J Wu, J Cheng, X Zhang… - … Conference on Machine …, 2015 - proceedings.mlr.press
Recently, hashing based approximate nearest neighbors search has attracted much
attention. Extensive centralized hashing algorithms have been proposed and achieved …

Reconfigurable array beampattern synthesis via conceptual sensor network modeling and computation

X Zhang, J Liang, X Fan, G Yu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Reconfigurable array radiates multiple patterns with only a single array via designing
multiple excitation vectors with common magnitudes for the same element-index excitation …

Distributed dictionary learning for industrial process monitoring with big data

K Huang, K Wei, Y Li, C Yang - Applied Intelligence, 2021 - Springer
With the development of sensor and communication technology, industrial systems have
accumulated a large amount of data. This data has provided new perspectives and methods …