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相关论文: CTBNCToolkit: Continuous Time Bayesian Network Cla…

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Continuous time Bayesian networks (CTBNs) describe structured stochastic processes with finitely many states that evolve over continuous time. A CTBN is a directed (possibly cyclic) dependency graph over a set of variables, each of which…

机器学习 · 计算机科学 2012-12-12 Uri Nodelman , Christian R. Shelton , Daphne Koller

Training deep neural networks often requires careful hyper-parameter tuning and significant computational resources. In this paper, we propose ConvTimeNet (CTN): an off-the-shelf deep convolutional neural network (CNN) trained on diverse…

机器学习 · 计算机科学 2019-05-03 Kathan Kashiparekh , Jyoti Narwariya , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff

Structured stochastic processes evolving in continuous time present a widely adopted framework to model phenomena occurring in nature and engineering. However, such models are often chosen to satisfy the Markov property to maintain…

机器学习 · 统计学 2020-07-06 Nicolai Engelmann , Dominik Linzner , Heinz Koeppl

Connectionist temporal classification (CTC) is commonly adopted for sequence modeling tasks like speech recognition, where it is necessary to preserve order between the input and target sequences. However, CTC is only applied to…

机器学习 · 计算机科学 2023-12-18 Zheng Nan , Ting Dang , Vidhyasaharan Sethu , Beena Ahmed

Deep learning models are widely used for time series classification (TSC) due to their scalability and efficiency. However, their performance degrades under challenging data conditions such as class similarity, multimodal distributions, and…

机器学习 · 计算机科学 2025-07-30 Yaoyu Zhang , Chi-Guhn Lee

Continuous time Bayesian networks (CTBNs) describe structured stochastic processes with finitely many states that evolve over continuous time. A CTBN is a directed (possibly cyclic) dependency graph over a set of variables, each of which…

人工智能 · 计算机科学 2012-07-09 Uri Nodelman , Daphne Koller , Christian R. Shelton

Continuous-time Bayesian Networks (CTBNs) represent a compact yet powerful framework for understanding multivariate time-series data. Given complete data, parameters and structure can be estimated efficiently in closed-form. However, if…

机器学习 · 统计学 2019-11-04 Dominik Linzner , Michael Schmidt , Heinz Koeppl

Continuous-time Bayesian networks (CTBNs) constitute a general and powerful framework for modeling continuous-time stochastic processes on networks. This makes them particularly attractive for learning the directed structures among…

机器学习 · 统计学 2018-10-15 Dominik Linzner , Heinz Koeppl

Inspired by the tremendous success of deep Convolutional Neural Networks as generic feature extractors for images, we propose TimeNet: a deep recurrent neural network (RNN) trained on diverse time series in an unsupervised manner using…

机器学习 · 计算机科学 2017-06-28 Pankaj Malhotra , Vishnu TV , Lovekesh Vig , Puneet Agarwal , Gautam Shroff

We report an extension of a Keras Model, called CTCModel, to perform the Connectionist Temporal Classification (CTC) in a transparent way. Combined with Recurrent Neural Networks, the Connectionist Temporal Classification is the reference…

机器学习 · 计算机科学 2019-01-24 Yann Soullard , Cyprien Ruffino , Thierry Paquet

There is a need to build intelligence in operating machinery and use data analysis on monitored signals in order to quantify the health of the operating system and self-diagnose any initiations of fault. Built-in control procedures can…

信号处理 · 电气工程与系统科学 2020-06-18 G. Zhang , A. R. Singer , N. Vlahopoulos

Sequence-to-Sequence (seq2seq) tasks transcribe the input sequence to a target sequence. The Connectionist Temporal Classification (CTC) criterion is widely used in multiple seq2seq tasks. Besides predicting the target sequence, a side…

计算与语言 · 计算机科学 2023-02-01 Jinchuan Tian , Brian Yan , Jianwei Yu , Chao Weng , Dong Yu , Shinji Watanabe

Continual learning models allow to learn and adapt to new changes and tasks over time. However, in continual and sequential learning scenarios in which the models are trained using different data with various distributions, neural networks…

机器学习 · 计算机科学 2020-08-17 HongLin Li , Payam Barnaghi , Shirin Enshaeifar , Frieder Ganz

In this paper we present a language for finite state continuous time Bayesian networks (CTBNs), which describe structured stochastic processes that evolve over continuous time. The state of the system is decomposed into a set of local…

人工智能 · 计算机科学 2013-01-07 Uri Nodelman , Christian R. Shelton , Daphne Koller

Connectionist temporal classification (CTC) is a popular sequence prediction approach for automatic speech recognition that is typically used with models based on recurrent neural networks (RNNs). We explore whether deep convolutional…

计算与语言 · 计算机科学 2018-02-16 Kalpesh Krishna , Liang Lu , Kevin Gimpel , Karen Livescu

Dynamic Bayesian networks have been well explored in the literature as discrete-time models: however, their continuous-time extensions have seen comparatively little attention. In this paper, we propose the first constraint-based algorithm…

人工智能 · 计算机科学 2021-06-04 Alessandro Bregoli , Marco Scutari , Fabio Stella

This paper introduces temporal-conditioned normalizing flows (tcNF), a novel framework that addresses anomaly detection in time series data with accurate modeling of temporal dependencies and uncertainty. By conditioning normalizing flows…

机器学习 · 计算机科学 2026-03-11 David Baumgartner , Helge Langseth , Kenth Engø-Monsen , Heri Ramampiaro

In the real world, the class of a time series is usually labeled at the final time, but many applications require to classify time series at every time point. e.g. the outcome of a critical patient is only determined at the end, but he…

机器学习 · 计算机科学 2022-08-16 Chenxi Sun , Moxian Song , Derun Can , Baofeng Zhang , Shenda Hong , Hongyan Li

Unsupervised learning of time series data, also known as temporal clustering, is a challenging problem in machine learning. Here we propose a novel algorithm, Deep Temporal Clustering (DTC), to naturally integrate dimensionality reduction…

机器学习 · 计算机科学 2018-02-06 Naveen Sai Madiraju , Seid M. Sadat , Dimitry Fisher , Homa Karimabadi

The plethora of Internet of Things (IoT) devices leads to explosive network traffic. The network traffic classification (NTC) is an essential tool to explore behaviours of network flows, and NTC is required for Internet service providers…

网络与互联网体系结构 · 计算机科学 2021-10-01 Yoga Suhas Kuruba Manjunath , Sihao Zhao , Xiao-Ping Zhang
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