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Bidimensional spiking models currently gather a lot of attention for their simplicity and their ability to reproduce various spiking patterns of cortical neurons, and are particularly used for large network simulations. These models…

数值分析 · 计算机科学 2012-11-07 Jonathan Touboul

Delay-coupled systems often require low-latency decisions from sparse telemetry, where dense fixed-step neural inference is wasteful and can degrade near stability margins. We introduce Network-Optimised Spiking (NOS), a trainable two-state…

神经与进化计算 · 计算机科学 2026-01-27 Muhammad Bilal

The precise timing of spikes emitted by neurons plays a crucial role in shaping the response of efferent biological neurons. This temporal dimension of neural activity holds significant importance in understanding information processing in…

神经元与认知 · 定量生物学 2023-07-27 Antoine Grimaldi , Laurent U Perrinet

Excitation-inhibition (E-I) balance is ubiquitously observed in the cortex. Recent studies suggest an intriguing link between balance on fast timescales, tight balance, and efficient information coding with spikes. We further this…

神经元与认知 · 定量生物学 2021-05-04 Qianyi Li , Cengiz Pehlevan

Recurrent neural networks are powerful tools for understanding and modeling computation and representation by populations of neurons. Continuous-variable or "rate" model networks have been analyzed and applied extensively for these…

神经元与认知 · 定量生物学 2016-01-29 Brian DePasquale , Mark M. Churchland , L. F. Abbott

Trajectory prediction plays a crucial role in autonomous driving. Existing mainstream research and continuoual learning-based methods all require training on complete datasets, leading to poor prediction accuracy when sudden changes in…

机器学习 · 计算机科学 2023-09-13 Pengfei Yao , Tianlu Mao , Min Shi , Jingkai Sun , Zhaoqi Wang

Event skeleton generation, aiming to induce an event schema skeleton graph with abstracted event nodes and their temporal relations from a set of event instance graphs, is a critical step in the temporal complex event schema induction task.…

计算与语言 · 计算机科学 2023-05-30 Fangqi Zhu , Lin Zhang , Jun Gao , Bing Qin , Ruifeng Xu , Haiqin Yang

Recently, backpropagation through time inspired learning algorithms are widely introduced into SNNs to improve the performance, which brings the possibility to attack the models accurately given Spatio-temporal gradient maps. We propose two…

神经与进化计算 · 计算机科学 2020-10-02 Ling Liang , Xing Hu , Lei Deng , Yujie Wu , Guoqi Li , Yufei Ding , Peng Li , Yuan Xie

Spiking Neural Networks (SNNs) offer energy-efficient, biologically plausible computation but suffer from non-differentiable spike generation, necessitating reliance on heuristic surrogate gradients. This paper introduces UltraLIF, a…

机器学习 · 计算机科学 2026-02-13 Jose Marie Antonio Miñoza

Spiking neural networks are a type of artificial neural networks in which communication between neurons is only made of events, also called spikes. This property allows neural networks to make asynchronous and sparse computations and…

神经与进化计算 · 计算机科学 2024-05-07 Florent De Geeter , Damien Ernst , Guillaume Drion

This paper presents a comprehensive evaluation of Spiking Neural Network (SNN) neuron models for hardware acceleration by comparing event driven and clock-driven implementations. We begin our investigation in software, rapidly prototyping…

神经与进化计算 · 计算机科学 2025-12-24 Filippo Marostica , Alessio Carpegna , Alessandro Savino , Stefano Di Carlo

Spiking Neural Networks (SNNs) with their bio-inspired Leaky Integrate-and-Fire (LIF) neurons inherently capture temporal information. This makes them well-suited for sequential tasks like processing event-based data from Dynamic Vision…

神经与进化计算 · 计算机科学 2025-07-22 Prajna G. Malettira , Shubham Negi , Wachirawit Ponghiran , Kaushik Roy

A combined autoencoder (AE) and neural ordinary differential equation (NODE) framework has been used as a data-driven reduced-order model for time integration of a stiff reacting system. In this study, a new loss term using a latent…

计算物理 · 物理学 2026-03-18 Mert Yakup Baykan , Vijayamanikandan Vijayarangan , Dong-hyuk Shin , Hong G. Im

In a landscape of high-performance distributed ML systems, JAX has emerged as a framework of choice. However, JAX's modular design philosophy leaves it without a standardized checkpointing solution. In this paper, we introduce Orbax, a…

Communication in parallel systems imposes significant overhead which often turns out to be a bottleneck in parallel machine learning. To relieve some of this overhead, in this paper, we present EventGraD - an algorithm with event-triggered…

机器学习 · 计算机科学 2021-12-10 Soumyadip Ghosh , Bernardo Aquino , Vijay Gupta

Mainstream Transformer-based large language models face major efficiency bottlenecks: training computation scales quadratically with sequence length, and inference memory grows linearly, limiting long-context processing. Building large…

This project aims to advance differentiable fluid dynamics for hypersonic coupled flow over porous media, demonstrating the potential of automatic differentiation (AD)-based optimization for end-to-end solutions. Leveraging AD efficiently…

流体动力学 · 物理学 2024-07-01 Wenkang Wang , Xuanwei Zhang , Deniz Bezgin , Aaron Buhendwa , Xu Chu , Bernhard Weigand

Algorithms for bandit convex optimization and online learning often rely on constructing noisy gradient estimates, which are then used in appropriately adjusted first-order algorithms, replacing actual gradients. Depending on the properties…

机器学习 · 计算机科学 2020-07-07 Xiaowei Hu , Prashanth L. A. , András György , Csaba Szepesvári

Although the spike-trains in neural networks are mainly constrained by the neural dynamics itself, global temporal constraints (refractoriness, time precision, propagation delays, ..) are also to be taken into account. These constraints are…

适应与自组织系统 · 物理学 2009-03-20 Bruno Cessac , Olivier Rochel , Thierry Viéville

The remarkable success of pretrain-then-finetune paradigm has led to a proliferation of available pre-trained models for vision tasks. This surge presents a significant challenge in efficiently choosing the most suitable pre-trained models…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Zixuan Hu , Xiaotong Li , Shixiang Tang , Jun Liu , Yichun Hu , Ling-Yu Duan