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Current hyperspectral anomaly detection (HAD) benchmark datasets suffer from low resolution, simple background, and small size of the detection data. These factors also limit the performance of the well-known low-rank representation (LRR)…

图像与视频处理 · 电气工程与系统科学 2024-02-26 Chenyu Li , Bing Zhang , Danfeng Hong , Jing Yao , Jocelyn Chanussot

Epidemic propagation on networks represents an important departure from traditional massaction models. However, the high-dimensionality of the exact models poses a challenge to both mathematical analysis and parameter inference. By using…

定量方法 · 定量生物学 2023-02-07 István Z. Kiss , Luc Berthouze , Wasiur R. KhudaBukhsh

Reduced-order models based on level-set methods are widely used tools to qualitatively capture and track the nonlinear dynamics of an interface. The aim of this paper is to develop a physics-informed, data-driven, statistically rigorous…

计算物理 · 物理学 2019-09-20 Hans Yu , Matthew P. Juniper , Luca Magri

We study gradient-based data attribution, aiming to identify which training examples most influence a given output. Existing methods for this task either treat network parameters uniformly or rely on implicit weighting derived from Hessian…

机器学习 · 计算机科学 2026-02-23 Shuangqi Li , Hieu Le , Jingyi Xu , Mathieu Salzmann

With the applicability of optical fiber-based distributed acoustic sensing (DAS) systems, effective signal processing and analysis approaches are needed to promote its popularization in the field of intelligent transportation systems (ITS).…

信号处理 · 电气工程与系统科学 2025-06-19 Linlin Wang , Wei Wang , Dezhao Wang , Shanwen Wang

Partially-observed data collected by sampling methods is often being studied to obtain the characteristics of information diffusion networks. However, these methods usually do not consider the behavior of diffusion process. In this paper,…

社会与信息网络 · 计算机科学 2014-05-30 Motahareh Eslami Mehdiabadi , Hamid R. Rabiee , Mostafa Salehi

This work proposes a novel approach to the deep hierarchical classification task, i.e., the problem of classifying data according to multiple labels organized in a rigid parent-child structure. It consists in a multi-output deep neural…

人工智能 · 计算机科学 2024-10-07 Lorenzo Fiaschi , Marco Cococcioni

We describe a method to train spiking deep networks that can be run using leaky integrate-and-fire (LIF) neurons, achieving state-of-the-art results for spiking LIF networks on five datasets, including the large ImageNet ILSVRC-2012…

神经与进化计算 · 计算机科学 2016-11-17 Eric Hunsberger , Chris Eliasmith

Inspired by the human brain's structure and function, Artificial Neural Networks (ANN) were developed for data classification. However, existing Neural Networks, including Deep Neural Networks, do not mimic the brain's rich structure. They…

机器学习 · 计算机科学 2024-11-01 Remya Ajai A S , Nithin Nagaraj

Analyzing and understanding the structure of complex relational data is important in many applications including analysis of the connectivity in the human brain. Such networks can have prominent patterns on different scales, calling for a…

机器学习 · 统计学 2013-11-22 Mikkel N. Schmidt , Tue Herlau , Morten Mørup

Deploying deep learning models, comprising of non-linear combination of millions, even billions, of parameters is challenging given the memory, power and compute constraints of the real world. This situation has led to research into model…

机器学习 · 计算机科学 2020-05-29 Muhammad A. Shah , Raphael Olivier , Bhiksha Raj

We propose a learning-based approach for estimating the spectrum of a multisinusoidal signal from a finite number of samples. A neural-network is trained to approximate the spectra of such signals on simulated data. The proposed methodology…

机器学习 · 计算机科学 2019-06-03 Gautier Izacard , Brett Bernstein , Carlos Fernandez-Granda

Global data association is an essential prerequisite for robot operation in environments seen at different times or by different robots. Repetitive or symmetric data creates significant challenges for existing methods, which typically rely…

机器人学 · 计算机科学 2025-09-22 Yixuan Jia , Mason B. Peterson , Qingyuan Li , Yulun Tian , Jonathan P. How

An alternating-direction-method-based nonnegative latent factor model can perform efficient representation learning to a high-dimensional and incomplete (HDI) matrix. However, it introduces multiple hyper-parameters into the learning…

机器学习 · 计算机科学 2022-04-12 Yurong Zhong , Xin Luo

In this study, we introduce an innovative methodology aimed at enhancing Fisher's Linear Discriminant Analysis (LDA) in the context of high-dimensional data classification scenarios, specifically addressing situations where each feature…

应用统计 · 统计学 2024-01-18 Seungyeon Oh , Hoyoung Park

Accurate prediction of Drug-Target Affinity (DTA) is crucial for reducing experimental costs and accelerating early screening in computational drug discovery. While sequence-based deep learning methods avoid reliance on costly 3D…

机器学习 · 计算机科学 2025-11-03 Minghui Li , Yuanhang Wang , Peijin Guo , Wei Wan , Shengshan Hu , Shengqing Hu

Network datasets appear across a wide range of scientific fields, including biology, physics, and the social sciences. To enable data-driven discoveries from these networks, statistical inference techniques like estimation and hypothesis…

统计方法学 · 统计学 2026-02-19 Arpan Kumar , Minh Tang , Srijan Sengupta

This article proposes a novel Bayesian classification framework for networks with labeled nodes. While literature on statistical modeling of network data typically involves analysis of a single network, the recent emergence of complex data…

统计方法学 · 统计学 2020-09-25 Sharmistha Guha , Abel Rodriguez

Various types of measurement techniques, such as Light Detection and Ranging (LiDAR) devices, anemometers, and wind vanes, are extensively utilized in wind energy to characterize the inflow. However, these methods typically gather data at…

流体动力学 · 物理学 2025-02-13 Chang Yan , Shengfeng Xu , Zhenxu Sun , Thorsten Lutz , Dilong Guo , Guowei Yang

There is an urgent need to build models to tackle Indoor Air Quality issue. Since the model should be accurate and fast, Reduced Order Modelling technique is used to reduce the dimensionality of the problem. The accuracy of the model, that…