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We propose MetaEMG, a meta-learning approach for fast adaptation in intent inferral on a robotic hand orthosis for stroke. One key challenge in machine learning for assistive and rehabilitative robotics with disabled-bodied subjects is the…

The electroencephalography (EEG)-based motor imagery (MI) classification is a critical and challenging task in brain-computer interface (BCI) technology, which plays a significant role in assisting patients with functional impairments to…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Wei Peng , Kang Liu , Jiaxi Shi , Jianchen Hu

Micromagnetic modeling is employed to optimize the design of artificial synapse devices based on the spin-orbit-torque (SOT) driven domain wall (DW) motion along a nanotrack with triangular notches. Key attributes, such as the thermal…

Applied Physics · Physics 2025-01-28 Guntas Kaur , Tanmoy Pramanik

Deep Deterministic Policy Gradient (DDPG) has been proved to be a successful reinforcement learning (RL) algorithm for continuous control tasks. However, DDPG still suffers from data insufficiency and training inefficiency, especially in…

Machine Learning · Computer Science 2019-03-05 Zhizheng Zhang , Jiale Chen , Zhibo Chen , Weiping Li

We present the first experimental demonstration of a neuromorphic network with magnetic tunnel junction (MTJ) synapses, which performs image recognition via vector-matrix multiplication. We also simulate a large MTJ network performing MNIST…

Neural and Evolutionary Computing · Computer Science 2021-12-15 Peng Zhou , Alexander J. Edwards , Fred B. Mancoff , Dimitri Houssameddine , Sanjeev Aggarwal , Joseph S. Friedman

In this paper, a novel architecture of Recurrent Neural Network (RNN) is designed and experimented. The proposed RNN adopts a computational memory based on the concept of stigmergy. The basic principle of a Stigmergic Memory (SM) is that…

Neural and Evolutionary Computing · Computer Science 2019-04-30 Federico A. Galatolo , Mario G. C. A. Cimino , Gigliola Vaglini

Selectively programming large number of non-volatile synaptic weights without compromising scalability is a key challenge for in-memory computing. Here, we demonstrate remote programming of synaptic weights in series-connected chains of 11…

Emerging Technologies · Computer Science 2026-04-30 M. Menshawy , D. Sanz-Hernández , L. Mazza , V. Puliafito , G. Finocchio , A. Jenkins , R. Ferreira , L. Benetti , J. Grollier , F. A. Mizrahi

The concept of Perpendicular Shape-Anisotropy Spin-Transfer-Torque Magnetic Random-Access Memory tackles the downsize scalability limit of conventional ultrathin magnetic tunnel junctions (MTJ) below sub-20 nm technological nodes. This…

Mesoscale and Nanoscale Physics · Physics 2023-12-11 N. Caçoilo , L. D. Buda-Prejbeanu , B. Dieny , O. Fruchart , I. L. Prejbeanu

Dendrites are crucial structures for computation of an individual neuron. It has been shown that the dynamics of a biological neuron with dendrites can be approximated by artificial neural networks (ANN) with deep structure. However, it…

Neurons and Cognition · Quantitative Biology 2023-05-23 Jingyang Ma , Songting Li , Douglas Zhou

Superparamagnetic tunnel junctions (SMTJs) are promising sources for the randomness required by some compact and energy-efficient computing schemes. Coupling SMTJs gives rise to collective behavior that could be useful for cognitive…

There is growing interest in exploring nanomagnetic devices as potential replacements for electronic devices (e.g. transistors) in digital switching circuits and systems. A special class of nanomagnetic devices are switched with…

Mesoscale and Nanoscale Physics · Physics 2019-07-18 Md Ahsanul Abeed , Justine L. Drobitch , Supriyo Bandyopadhyay

Replacing the ferromagnet with ferrimagnet (FiM) in the magnetic tunnel junction (MTJ) allows faster magnetization switching in picoseconds. The operation of a memory cell that consists of the MTJ and a transistor requires reversable…

Mesoscale and Nanoscale Physics · Physics 2024-11-12 Zhuo Xu , Zhengping Yuan , Xue Zhang , Zhengde Xu , Yixiao Qiao , Yumeng Yang , Zhifeng Zhu

Active metamaterials are a type of metamaterial with tunable properties enabled by structural reconfigurations. Existing active metamaterials often achieve only a limited number of structural reconfigurations upon the application of an…

Applied Physics · Physics 2025-01-23 Jay Sim , Shuai Wu , Sarah Hwang , Lu Lu , Ruike Renee Zhao

Deep 'Analog Artificial Neural Networks' (ANNs) perform complex classification problems with remarkably high accuracy. However, they rely on humongous amount of power to perform the calculations, veiling the accuracy benefits. The…

Emerging Technologies · Computer Science 2018-04-17 Parami Wijesinghe , Aayush Ankit , Abhronil Sengupta , Kaushik Roy

Dynamic functional connectivity (dFC) using resting-state functional magnetic resonance imaging (rs-fMRI) is an advanced technique for capturing the dynamic changes of neural activities, and can be very useful in the studies of brain…

Image and Video Processing · Electrical Eng. & Systems 2025-01-29 Jing Zhang , Yanjun Lyu , Xiaowei Yu , Lu Zhang , Chao Cao , Tong Chen , Minheng Chen , Yan Zhuang , Tianming Liu , Dajiang Zhu

Recurrent neural networks (RNNs) are capable of modeling the temporal dynamics of complex sequential information. However, the structures of existing RNN neurons mainly focus on controlling the contributions of current and historical…

Computer Vision and Pattern Recognition · Computer Science 2018-07-13 Pengfei Zhang , Jianru Xue , Cuiling Lan , Wenjun Zeng , Zhanning Gao , Nanning Zheng

Physical computing has the potential to enable widespread embodied intelligence by leveraging the intrinsic dynamics of complex systems for efficient sensing, processing, and interaction. While individual devices provide basic data…

Deep artificial neural networks have surpassed human-level performance across a diverse array of complex learning tasks, establishing themselves as indispensable tools in both social applications and scientific research. Despite these…

Disordered Systems and Neural Networks · Physics 2025-09-03 Chuanbo Liu , Jin Wang

Artificial Neural Network (ANN) is used as numerical methode in solving modified Nonlinear Schroedinger (NLS) equation with Dispersion Managed System (DMS) for jitter analysis. We take the optical axis z and the time t as input, and then…

Pattern Formation and Solitons · Physics 2007-05-23 F. P. Zen , B. E. Gunara , W. Hidayat , Z. A. Thalib , H. Zainuddin , J. Aminuddin

In this work, we investigate hybrid PET reconstruction algorithms based on coupling a model-based variational reconstruction and the application of a separately learnt Deep Neural Network operator (DNN) in an ADMM Plug and Play framework.…

Image and Video Processing · Electrical Eng. & Systems 2023-10-09 Florent Sureau , Mahdi Latreche , Marion Savanier , Claude Comtat