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Class imbalance, which is also called long-tailed distribution, is a common problem in classification tasks based on machine learning. If it happens, the minority data will be overwhelmed by the majority, which presents quite a challenge…

机器学习 · 计算机科学 2023-03-29 Jia-Chen Zhao

Spiking neural networks (SNNs) represent a promising approach in machine learning, combining the hierarchical learning capabilities of deep neural networks with the energy efficiency of spike-based computations. Traditional end-to-end…

神经与进化计算 · 计算机科学 2024-11-12 Ruyin Wan , Qian Zhang , George Em Karniadakis

Precise timing of spikes and temporal locking are key elements of neural computation. Here we demonstrate how even strongly heterogeneous, deterministic neural networks with delayed interactions and complex topology can exhibit periodic…

神经元与认知 · 定量生物学 2009-11-13 Raoul-Martin Memmesheimer , Marc Timme

Low and ultra-low-bitrate neural speech coding achieves unprecedented coding gain by generating speech signals from compact speech features. This paper introduces additional coding efficiency in neural speech coding by reducing the temporal…

音频与语音处理 · 电气工程与系统科学 2022-11-07 Haici Yang , Wootaek Lim , Minje Kim

Deep learning models are increasingly deployed in safety-critical tasks where predictions must satisfy hard constraints, such as physical laws, fairness requirements, or safety limits. However, standard architectures lack built-in…

机器学习 · 计算机科学 2025-11-26 Gonzalo E. Constante-Flores , Hao Chen , Can Li

Biological neural networks can operate in qualitatively distinct dynamical regimes, and transitions between these regimes are thought to underlie changes in computation and behavior. The seminal work of Sompolinsky, Crisanti, and Sommers…

无序系统与神经网络 · 物理学 2026-05-15 Carles Martorell , Rubén Calvo , Alessia Annibale , Miguel A. Muñoz

We consider communication over a noisy network under randomized linear network coding. Possible error mechanism include node- or link- failures, Byzantine behavior of nodes, or an over-estimate of the network min-cut. Building on the work…

信息论 · 计算机科学 2007-11-27 Andrea Montanari , Ruediger Urbanke

Understanding brain dynamics and functions critically depends on knowledge of the network connectivity among neurons. However, the complexity of brain structural connectivity, coupled with continuous modifications driven by synaptic…

神经元与认知 · 定量生物学 2025-07-04 Kai Chen , Mingzhang Wang , Songting Li , Douglas Zhou

Neural encoding plays an important role in faithfully describing the temporally rich patterns, whose instances include human speech and environmental sounds. For tasks that involve classifying such spatio-temporal patterns with the Spiking…

神经与进化计算 · 计算机科学 2019-09-27 Zihan Pan , Jibin Wu , Yansong Chua , Malu Zhang , Haizhou Li

In artificial neural networks trained with gradient descent, the weights used for processing stimuli are also used during backward passes to calculate gradients. For the real brain to approximate gradients, gradient information would have…

神经元与认知 · 定量生物学 2020-02-04 Jordan Guerguiev , Konrad P. Kording , Blake A. Richards

Neural visual decoding is a central problem in brain computer interface research, aiming to reconstruct human visual perception and to elucidate the structure of neural representations. However, existing approaches overlook a fundamental…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Yang Du , Siyuan Dai , Yonghao Song , Paul M. Thompson , Haoteng Tang , Liang Zhan

Spiking Neural Networks (SNNs), recognized as the third generation of neural networks, are known for their bio-plausibility and energy efficiency, especially when implemented on neuromorphic hardware. However, the majority of existing…

神经与进化计算 · 计算机科学 2024-07-02 Yi Jiang , Sen Lu , Abhronil Sengupta

Neural systems process information across a broad range of intrinsic timescales, both within and across cortical areas. While such diversity is a hallmark of biological networks, its computational role in nonlinear information processing…

神经元与认知 · 定量生物学 2025-06-10 Tomoki Kurikawa

Encoding information about continuous variables using noisy computational units is a challenge; nonetheless, asymptotic theory shows that combining multiple periodic scales for coding can be highly precise despite the corrupting influence…

神经元与认知 · 定量生物学 2013-08-22 Alexander Mathis , Andreas V. M. Herz , Martin B. Stemmler

Understanding neural networks is challenging in part because of the dense, continuous nature of their hidden states. We explore whether we can train neural networks to have hidden states that are sparse, discrete, and more interpretable by…

机器学习 · 计算机科学 2023-10-27 Alex Tamkin , Mohammad Taufeeque , Noah D. Goodman

Label noise is ubiquitous in real-world scenarios, posing a practical challenge to supervised models due to its effect in hurting the generalization performance of deep neural networks. Existing methods primarily employ the sample selection…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Mengmeng Sheng , Zeren Sun , Tao Chen , Shuchao Pang , Yucheng Wang , Yazhou Yao

Systems neuroscience relies on two complementary views of neural data, characterized by single neuron tuning curves and analysis of population activity. These two perspectives combine elegantly in neural latent variable models that…

This study investigates how weight decay affects the update behavior of individual neurons in deep neural networks through a combination of applied analysis and experimentation. Weight decay can cause the expected magnitude and angular…

机器学习 · 计算机科学 2024-06-04 Atli Kosson , Bettina Messmer , Martin Jaggi

This paper deals with differentiable dynamical models congruent with neural process theories that cast brain function as the hierarchical refinement of an internal generative model explaining observations. Our work extends existing…

机器学习 · 计算机科学 2021-12-10 André Ofner , Sebastian Stober

The learning and recognition of object features from unregulated input has been a longstanding challenge for artificial intelligence systems. Brains are adept at learning stable representations given small samples of noisy observations;…

神经元与认知 · 定量生物学 2024-09-30 Roy Moyal , Kyrus R. Mama , Matthew Einhorn , Ayon Borthakur , Thomas A. Cleland