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相关论文: Hidden Markov model tracking of continuous gravita…

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Hidden Markov Models (HMMs) are one of the most fundamental and widely used statistical tools for modeling discrete time series. In general, learning HMMs from data is computationally hard (under cryptographic assumptions), and…

机器学习 · 计算机科学 2012-07-10 Daniel Hsu , Sham M. Kakade , Tong Zhang

Searches for gravitational wave events use models, or templates, for the signals of interest. The templates used in current searches in the LIGO-Virgo-Kagra (LVK) data model the dominant quadrupole mode $(\ell,|m|)=(2,2)$ of the signals,…

广义相对论与量子宇宙学 · 物理学 2024-10-18 Digvijay Wadekar , Tejaswi Venumadhav , Ajit Kumar Mehta , Javier Roulet , Seth Olsen , Jonathan Mushkin , Barak Zackay , Matias Zaldarriaga

This paper intends to apply the Hidden Markov Model into stock market and and make predictions. Moreover, four different methods of improvement, which are GMM-HMM, XGB-HMM, GMM-HMM+LSTM and XGB-HMM+LSTM, will be discussed later with the…

证券定价 · 定量金融 2021-04-21 Mingwen Liu , Junbang Huo , Yulin Wu , Jinge Wu

Nature, as far as we know, evolves continuously through space and time. Yet the ubiquitous hidden Markov model (HMM)--originally developed for discrete time and space analysis in natural language processing--remains a central tool in…

生物大分子 · 定量生物学 2025-06-09 Max Schweiger , Ayush Saurabh , Steve Pressé

The hidden Markov model (HMM) has been a workhorse of single molecule data analysis and is now commonly used as a standalone tool in time series analysis or in conjunction with other analyses methods such as tracking. Here we provide a…

数据分析、统计与概率 · 物理学 2017-06-28 Ioannis Sgouralis , Steve Presse

Hidden Markov Models (HMMs) are a commonly used tool for inference of transcription factor (TF) binding sites from DNA sequence data. We exploit the mathematical equivalence between HMMs for TF binding and the "inverse" statistical…

统计力学 · 物理学 2015-05-19 Pankaj Mehta , David Schwab , Anirvan M. Sengupta

There is much interest in the Hierarchical Dirichlet Process Hidden Markov Model (HDP-HMM) as a natural Bayesian nonparametric extension of the ubiquitous Hidden Markov Model for learning from sequential and time-series data. However, in…

统计方法学 · 统计学 2012-09-11 Matthew J. Johnson , Alan S. Willsky

Results are presented for a semi-coherent search for continuous gravitational waves from the millisecond pulsar PSR J0437$-$4715, using a hidden Markov model to track spin wandering, in LIGO data from the third LIGO-Virgo observing run.…

广义相对论与量子宇宙学 · 物理学 2023-05-17 Andrés F. Vargas , Andrew Melatos

The hidden Markov model (HMM) is a widely-used generative model that copes with sequential data, assuming that each observation is conditioned on the state of a hidden Markov chain. In this paper, we derive a novel algorithm to cluster HMMs…

机器学习 · 计算机科学 2012-10-26 Emanuele Coviello , Antoni B. Chan , Gert R. G. Lanckriet

The conformational kinetics of enzymes can be reliably revealed when they are governed by Markovian dynamics. Hidden Markov Models (HMMs) are appropriate especially in the case of conformational states that are hardly distinguishable.…

定量方法 · 定量生物学 2009-02-05 A. Kovalev , N. Zarrabi , F. Werz , M. Boersch , Z. Ristic , H. Lill , D. Bald , C. Tietz , J. Wrachtrup

Hidden Markov models (HMMs) offer a robust and efficient framework for analyzing time series data, modelling both the underlying latent state progression over time and the observation process, conditional on the latent state. However, a…

应用统计 · 统计学 2024-07-19 Ioannis Rotous , Alex Diana , Alessio Farcomeni , Eleni Matechou , Andréa Thiebault

The detection of gravitational waves from binary neutron stars is a major goal of the gravitational-wave observatories Advanced LIGO and Advanced Virgo. Previous searches for binary neutron stars with LIGO and Virgo neglected the component…

广义相对论与量子宇宙学 · 物理学 2012-10-16 Duncan A. Brown , Ian Harry , Andrew Lundgren , Alexander H. Nitz

The hidden Markov model (HMM) is a generative model that treats sequential data under the assumption that each observation is conditioned on the state of a discrete hidden variable that evolves in time as a Markov chain. In this paper, we…

人工智能 · 计算机科学 2011-09-07 Emanuele Coviello , Antoni B. Chan , Gert R. G. Lanckriet

Efficient searches for gravitational waves from compact binary coalescence are crucial for gravitational wave observations. We present a proof-of-concept for a method that utilizes a neural network taking an SNR map, a stack of SNR time…

广义相对论与量子宇宙学 · 物理学 2025-12-16 Takahiro S. Yamamoto , Kipp Cannon , Hayato Motohashi , Hiroaki W. H. Tahara

We search for digital biomarkers from Parkinson's Disease by observing approximate repetitive patterns matching hypothesized step and stride periodic cycles. These observations were modeled as a cycle of hidden states with randomness…

定量方法 · 定量生物学 2017-11-15 Avinash Bukkittu , Baihan Lin , Trung Vu , Itsik Pe'er

This paper presents an enhanced methodology for searching long transient gravitational waves associated with a newborn magnetar, with particular focus on the regime in which the early spin-down is dominated by gravitational-wave emission.…

The Hidden Markov Model (HMM) can predict the future value of a time series based on its current and previous values, making it a powerful algorithm for handling various types of time series. Numerous studies have explored the improvement…

机器学习 · 计算机科学 2024-02-28 YeXin Huang

Information seeking process is an important topic in information seeking behavior research. Both qualitative and empirical methods have been adopted in analyzing information seeking processes, with major focus on uncovering the latent…

信息检索 · 计算机科学 2013-04-09 Shuguang Han , Zhen Yue , Daqing He

During LIGO-Virgo-KAGRA's third observing run (O3), simulated continuous gravitational wave (CW) signals were added to the LIGO detectors as hardware (HW) injections, which are physical injections into the interferometer control loop via…

广义相对论与量子宇宙学 · 物理学 2025-09-24 Jediah Tau , John T. Whelan

The Hidden Markov Model (HMM) is a widely-used statistical model for handling sequential data. However, the presence of missing observations in real-world datasets often complicates the application of the model. The EM algorithm and Gibbs…

机器学习 · 统计学 2026-01-06 Dongrong Li , Tianwei Yu , Xiaodan Fan