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Spike Timing Dependent Plasticity is form of learning that has been demonstrated in real cortical tissue, but attempts to use it for artificial systems have not produced good results. This paper seeks to remedy this with two significant…

神经与进化计算 · 计算机科学 2020-07-01 Simon Davidson , Stephen B. Furber , Oliver Rhodes

The intracellular transport process plays an important role in delivering essential materials throughout branched geometries of neurons for their survival and function. Many neurodegenerative diseases have been associated with the…

生物物理 · 物理学 2021-08-31 Angran Li , Yongjie Jessica Zhang

Ordinary Differential Equations (ODE) based models have become popular as foundation models for solving many time series problems. Combining neural ODEs with traditional RNN models has provided the best representation for irregular time…

机器学习 · 计算机科学 2024-08-06 Futoon M. Abushaqra , Hao Xue , Yongli Ren , Flora D. Salim

The optimal power flow (OPF) problem seeks to control power generation/demand to optimize certain objectives such as minimizing the generation cost or power loss in the network. It is becoming increasingly important for distribution…

最优化与控制 · 数学 2013-07-02 Lingwen Gan , Na Li , Ufuk Topcu , Steven H. Low

The shape and connectivity of a neuron determine its function. Modern imaging methods have proven successful at extracting such information. However, in order to analyze this type of data, neuronal morphology needs to be encoded in a…

神经元与认知 · 定量生物学 2019-03-07 Tamal Batabyal , Barry Condron , Scott T. Acton

The collection of all the strongly connected components in a directed graph, among each cluster of which any node has a path to another node, is a typical example of the intertwining structure and dynamics in complex networks, as its…

物理与社会 · 物理学 2016-05-31 Jin-Hua Zhao , Hai-Jun Zhou

Objective: Optical coherence tomography (OCT) and its angiography (OCTA) have several advantages for the early detection and diagnosis of diabetic retinopathy (DR). However, automated, complete DR classification frameworks based on both OCT…

图像与视频处理 · 电气工程与系统科学 2020-09-28 Pengxiao Zang , Liqin Gao , Tristan T. Hormel , Jie Wang , Qisheng You , Thomas S. Hwang , Yali Jia

Observing certain patches in an image reduces the uncertainty of others. Their realization lowers the distribution entropy of each remaining patch feature, analogous to collapsing a particle's wave function in quantum mechanics. This…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Wei Guo , Shunqi Mao , Zhuonan Liang , Heng Wang , Weidong Cai

We introduce the problem of finding a spanning tree along with a partition of the tree edges into fewest number of feasible sets, where constraints on the edges define feasibility. The motivation comes from wireless networking, where we…

网络与互联网体系结构 · 计算机科学 2018-03-14 Magnus M. Halldorsson , Guy Kortsarz , Pradipta Mitra , Tigran Tonoyan

Degree assortativity refers to the increased or decreased probability of connecting two neurons based on their in- or out-degrees, relative to what would be expected by chance. We investigate the effects of such assortativity in a network…

适应与自组织系统 · 物理学 2020-04-02 Christian Blasche , Shawn Means , Carlo R. Laing

Large-scale deep learning models contribute to significant performance improvements on varieties of downstream tasks. Current data and model parallelism approaches utilize model replication and partition techniques to support the…

分布式、并行与集群计算 · 计算机科学 2023-05-22 Youhe Jiang , Fangcheng Fu , Xupeng Miao , Xiaonan Nie , Bin Cui

Migraine, a prevalent neurological disorder, has been associated with various ocular manifestations suggestive of neuronal and microvascular deficits. However, there is limited understanding of the extent to which retinal imaging may…

图像与视频处理 · 电气工程与系统科学 2024-08-15 Feilong Tang , Matt Trinh , Annita Duong , Angelica Ly , Fiona Stapleton , Zhe Chen , Zongyuan Ge , Imran Razzak

A highly influential ingredient of many techniques designed to exploit sparsity in numerical optimization is the so-called chordal extension of a graph representation of the optimization problem. The definitive relation between chordal…

机器学习 · 计算机科学 2019-10-18 Defeng Liu , Andrea Lodi , Mathieu Tanneau

Deep learning has seen remarkable developments over the last years, many of them inspired by neuroscience. However, the main learning mechanism behind these advances - error backpropagation - appears to be at odds with neurobiology. Here,…

神经元与认知 · 定量生物学 2018-10-29 João Sacramento , Rui Ponte Costa , Yoshua Bengio , Walter Senn

We propose a novel second-order optimization framework for training the emerging deep continuous-time models, specifically the Neural Ordinary Differential Equations (Neural ODEs). Since their training already involves expensive gradient…

机器学习 · 计算机科学 2021-11-09 Guan-Horng Liu , Tianrong Chen , Evangelos A. Theodorou

This paper presents OptNet, a network architecture that integrates optimization problems (here, specifically in the form of quadratic programs) as individual layers in larger end-to-end trainable deep networks. These layers encode…

机器学习 · 计算机科学 2021-12-03 Brandon Amos , J. Zico Kolter

A phase separation model is presented for the stripe phase of the cuprates, which allows the doping dependence of the photoemission spectra to be calculated. The idealized limit of a well-ordered array of magnetic and charged stripes is…

超导电性 · 物理学 2009-10-31 R. S. Markiewicz

Neural ordinary differential equations (ODEs) provide expressive representations of invertible transport maps that can be used to approximate complex probability distributions, e.g., for generative modeling, density estimation, and Bayesian…

机器学习 · 计算机科学 2025-02-07 Youssef Marzouk , Zhi Ren , Jakob Zech

Power system networks are often modeled as homogeneous graphs, which limits the ability of graph neural network (GNN) to capture individual generator features at the same nodes. By introducing the proposed virtual node-splitting strategy,…

系统与控制 · 电气工程与系统科学 2025-07-22 Thuan Pham , Xingpeng Li

Spectral decomposition of linear operators plays a central role in many areas of machine learning and scientific computing. Recent work has explored training neural networks to approximate eigenfunctions of such operators, enabling scalable…

机器学习 · 计算机科学 2025-10-28 J. Jon Ryu , Samuel Zhou , Gregory W. Wornell