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By leveraging recent progress of stochastic gradient descent methods, several works have shown that graphs could be efficiently laid out through the optimization of a tailored objective function. In the meantime, Deep Learning (DL)…

机器学习 · 计算机科学 2021-08-11 Loann Giovannangeli , Frederic Lalanne , David Auber , Romain Giot , Romain Bourqui

Designing neural network architectures is a challenging task and knowing which specific layers of a model must be adapted to improve the performance is almost a mystery. In this paper, we introduce a novel theory and metric to identify…

机器学习 · 计算机科学 2020-11-06 David Peer , Sebastian Stabinger , Antonio Rodriguez-Sanchez

Predictive monitoring of business processes is a subfield of process mining that aims to predict, among other things, the characteristics of the next event or the sequence of next events. Although multiple approaches based on deep learning…

机器学习 · 计算机科学 2021-12-24 Efrén Rama-Maneiro , Juan C. Vidal , Manuel Lama

We propose a new, more actionable view of neural network interpretability and data analysis by leveraging the remarkable matching effectiveness of representations derived from deep networks, guided by an approach for class-conditional…

计算与语言 · 计算机科学 2021-06-15 Allen Schmaltz

The detection of frauds in credit card transactions is a major topic in financial research, of profound economic implications. While this has hitherto been tackled through data analysis techniques, the resemblances between this and other…

社会与信息网络 · 计算机科学 2017-06-08 Massimiliano Zanin , Miguel Romance , Santiago Moral , Regino Criado

The increased presence of advanced sensors on the production floors has led to the collection of datasets that can provide significant insights into machine health. An important and reliable indicator of machine health, vibration signal…

信号处理 · 电气工程与系统科学 2021-02-04 Rishikesh Magar , Lalit Ghule , Junhan Li , Yang Zhao , Amir Barati Farimani

We investigated how the application of deep learning, specifically the use of convolutional networks trained with GPUs, can help to build better predictive models in telecommunication business environments, and fill this gap. In particular,…

机器学习 · 计算机科学 2016-07-15 Jaime Zaratiegui , Ana Montoro , Federico Castanedo

In this paper, we focus on fraud detection on a signed graph with only a small set of labeled training data. We propose a novel framework that combines deep neural networks and spectral graph analysis. In particular, we use the node…

密码学与安全 · 计算机科学 2017-06-06 Shuhan Yuan , Xintao Wu , Jun Li , Aidong Lu

Current fine-grained classification approaches often rely on a robust localization of object parts to extract localized feature representations suitable for discrimination. However, part localization is a challenging task due to the large…

计算机视觉与模式识别 · 计算机科学 2014-11-17 Marcel Simon , Erik Rodner , Joachim Denzler

We propose a novel visual tracking algorithm based on the representations from a discriminatively trained Convolutional Neural Network (CNN). Our algorithm pretrains a CNN using a large set of videos with tracking ground-truths to obtain a…

计算机视觉与模式识别 · 计算机科学 2016-01-07 Hyeonseob Nam , Bohyung Han

Deep learning architectures are showing great promise in various computer vision domains including image classification, object detection, event detection and action recognition. In this study, we investigate various aspects of…

计算机视觉与模式识别 · 计算机科学 2016-08-08 Hilal Ergun , Mustafa Sert

Many material response functions depend strongly on microstructure, such as inhomogeneities in phase or orientation. Homogenization presents the task of predicting the mean response of a sample of the microstructure to external loading for…

机器学习 · 计算机科学 2022-10-04 Reese Jones , Cosmin Safta , Ari Frankel

Our formal understanding of the inductive bias that drives the success of convolutional networks on computer vision tasks is limited. In particular, it is unclear what makes hypotheses spaces born from convolution and pooling operations so…

神经与进化计算 · 计算机科学 2017-04-19 Nadav Cohen , Amnon Shashua

Network representation learning (NRL) is an effective graph analytics technique and promotes users to deeply understand the hidden characteristics of graph data. It has been successfully applied in many real-world tasks related to network…

社会与信息网络 · 计算机科学 2021-03-09 Ke Sun , Lei Wang , Bo Xu , Wenhong Zhao , Shyh Wei Teng , Feng Xia

Deep Convolutional Neural Networks (DCNNs) have recently been applied successfully to a variety of vision and multimedia tasks, thus driving development of novel solutions in several application domains. Document analysis is a particularly…

计算机视觉与模式识别 · 计算机科学 2018-04-18 I. Kavasidis , S. Palazzo , C. Spampinato , C. Pino , D. Giordano , D. Giuffrida , P. Messina

Despite their increasing popularity and success in a variety of supervised learning problems, deep neural networks are extremely hard to interpret and debug: Given and already trained Deep Neural Net, and a set of test inputs, how can we…

机器学习 · 计算机科学 2018-06-07 Uday Singh Saini , Evangelos E. Papalexakis

Competing firms can increase profits by setting prices collectively, imposing significant costs on consumers. Such groups of firms are known as cartels and because this behavior is illegal, their operations are secretive and difficult to…

物理与社会 · 物理学 2019-08-26 Johannes Wachs , János Kertész

Deep convolutional neural networks (CNNs) have achieved breakthrough performance in many pattern recognition tasks such as image classification. However, the development of high-quality deep models typically relies on a substantial amount…

计算机视觉与模式识别 · 计算机科学 2016-05-05 Mengchen Liu , Jiaxin Shi , Zhen Li , Chongxuan Li , Jun Zhu , Shixia Liu

The study aimed at detecting cartel collusion involved analyzing decisions of the Russian Federal Antimonopoly Service and data on auctions. As a result, a machine learning model was developed that predicts with 91% accuracy the signs of…

计算机科学与博弈论 · 计算机科学 2024-11-19 Konstantin D. Efimov

Non-local self-similarity is well-known to be an effective prior for the image denoising problem. However, little work has been done to incorporate it in convolutional neural networks, which surpass non-local model-based methods despite…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Diego Valsesia , Giulia Fracastoro , Enrico Magli