Time-varying convex optimization: Time-structured algorithms and applications

A Simonetto, E Dall'Anese, S Paternain… - Proceedings of the …, 2020 - ieeexplore.ieee.org
Optimization underpins many of the challenges that science and technology face on a daily
basis. Recent years have witnessed a major shift from traditional optimization paradigms …

Sequential sparse Bayesian learning for time-varying direction of arrival

Y Park, F Meyer, P Gerstoft - The Journal of the Acoustical Society of …, 2021 - pubs.aip.org
This paper presents methods for the estimation of the time-varying directions of arrival
(DOAs) of signals emitted by moving sources. Following the sparse Bayesian learning (SBL) …

Deep learing for sparse domain Kalman filtering with applications on ECG denoising and motility estimation

IR De Vries, AM De Jong, J van Laar… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Objective: The reconstruction of an input based on a sparse combination of signals, known
as sparse coding, has found widespread use in signal processing. In this work, the …

Probabilistic decomposed linear dynamical systems for robust discovery of latent neural dynamics

Y Chen, N Mudrik, KA Johnsen… - Advances in …, 2025 - proceedings.neurips.cc
Time-varying linear state-space models are powerful tools for obtaining mathematically
interpretable representations of neural signals. For example, switching and decomposed …

Decomposed linear dynamical systems (dlds) for learning the latent components of neural dynamics

N Mudrik, Y Chen, E Yezerets, CJ Rozell… - Journal of Machine …, 2024 - jmlr.org
Learning interpretable representations of neural dynamics at a population level is a crucial
first step to understanding how observed neural activity relates to perception and behavior …

Designing and validating a robust adaptive neuromodulation algorithm for closed-loop control of brain states

H Fang, Y Yang - Journal of Neural Engineering, 2022 - iopscience.iop.org
Objective. Neuromodulation systems that use closed-loop brain stimulation to control brain
states can provide new therapies for brain disorders. To date, closed-loop brain stimulation …

GraFT: Graph filtered temporal dictionary learning for functional neural imaging

AS Charles, N Cermak, RO Affan… - … on Image Processing, 2022 - ieeexplore.ieee.org
Optical imaging of calcium signals in the brain has enabled researchers to observe the
activity of hundreds-to-thousands of individual neurons simultaneously. Current methods …

Centralized and distributed online learning for sparse time-varying optimization

SM Fosson - IEEE Transactions on Automatic Control, 2020 - ieeexplore.ieee.org
The development of online algorithms to track time-varying systems has drawn a lot of
attention in the last years, in particular in the framework of online convex optimization …

[HTML][HTML] Graph-based sequential beamforming

Y Park, F Meyer, P Gerstoft - The Journal of the Acoustical Society of …, 2023 - pubs.aip.org
This paper presents a Bayesian estimation method for sequential direction finding. The
proposed method estimates the number of directions of arrivals (DOAs) and their DOAs …

Decomposed Linear Dynamical Systems (dLDS) for learning the latent components of neural dynamics

N Mudrik, Y Chen, E Yezerets, CJ Rozell… - arxiv preprint arxiv …, 2022 - arxiv.org
Learning interpretable representations of neural dynamics at a population level is a crucial
first step to understanding how observed neural activity relates to perception and behavior …