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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…

Machine Learning · Computer Science 2024-02-28 YeXin Huang

In a mixed-traffic scenario where both autonomous vehicles and human-driving vehicles exist, a timely prediction of driving intentions of nearby human-driving vehicles is essential for the safe and efficient driving of an autonomous…

Machine Learning · Computer Science 2019-02-26 Shiwen Liu , Kan Zheng , Long Zhao , Pingzhi Fan

In directional statistics, the von Mises-Fisher (vMF) distribution is one of the most basic and popular probability distributions for data on the unit hypersphere. Recently, the spherical normal (SN) distribution was proposed as an…

Methodology · Statistics 2022-02-28 Kisung You

Unsupervised human motion segmentation (HMS) can be effectively achieved using subspace clustering techniques. However, traditional methods overlook the role of temporal semantic exploration in HMS. This paper explores the use of temporal…

Machine Learning · Computer Science 2025-12-30 Zheng Xing , Weibing Zhao

As one of Bayesian analysis tools, Hidden Markov Model (HMM) has been used to in extensive applications. Most HMMs are solved by Baum-Welch algorithm (BWHMM) to predict the model parameters, which is difficult to find global optimal…

Machine Learning · Statistics 2018-11-09 L. Chang , Yacine Ouzrout , Antoine Nongaillard , Abdelaziz Bouras

One of the prime problems of computer science and machine learning is to extract information efficiently from large-scale, heterogeneous data. Text data, with its syntax, semantics, and even hidden information content, possesses an…

Computation and Language · Computer Science 2024-09-10 Sarmad N. Mohammed , Semra Gündüç

Individual-level human mobility prediction has emerged as a significant topic of research with applications in infectious disease monitoring, child, and elderly care. Existing studies predominantly focus on the microscopic aspects of human…

Machine Learning · Computer Science 2025-08-20 Yueyang Liu , Lance Kennedy , Ruochen Kong , Joon-Seok Kim , Andreas Züfle

Predicting future human motion plays a significant role in human-machine interactions for various real-life applications. A unified formulation and multi-order modeling are two critical perspectives for analyzing and representing human…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Xiaoli Liu , Jianqin Yin , Huaping Liu , Jun Liu

Semantic representations can be framed as a structured, dynamic knowledge space through which humans navigate to retrieve and manipulate meaning. To investigate how humans traverse this geometry, we introduce a framework that represents…

Computation and Language · Computer Science 2026-04-15 Felipe D. Toro-Hernández , Jesuino Vieira Filho , Rodrigo M. Cabral-Carvalho

With the rapid development of online advertising and recommendation systems, click-through rate prediction is expected to play an increasingly important role.Recently many DNN-based models which follow a similar Embedding&MLP paradigm have…

Machine Learning · Statistics 2019-05-01 Chenglei Niu , Guojing Zhong , Ying Liu , Yandong Zhang , Yongsheng Sun , Ailong He , Zhaoji Chen

The rapid advancement of Intelligent Transportation Systems (ITS) presents challenges, particularly with missing data in multi-modal transportation and the complexity of handling diverse sequential tasks within a centralized framework. To…

Machine Learning · Computer Science 2024-09-11 Zhiqi Shao , Haoning Xi , Haohui Lu , Ze Wang , Michael G. H. Bell , Junbin Gao

Traditional approaches to mapping of environments in robotics make use of spatially discretized representations, such as occupancy grid maps. Modern systems, e.g. in agriculture or automotive applications, are equipped with a variety of…

Robotics · Computer Science 2018-05-23 Timo Korthals , Julian Exner , Thomas Schöpping , Marc Hesse

Diffusion models (DMs) have achieved remarkable success across various domains owing to their strong generative and denoising capabilities. Meanwhile, semantic communication based on neural joint source-channel coding (JSCC) has emerged as…

Signal Processing · Electrical Eng. & Systems 2026-03-25 Yoon Huh , Jeongho Kang , Wan Choi

In literature, scientists describe human mobility in a range of granularities by several different models. Using frameworks like MATSIM, VehiLux, or Sumo, they often derive individual human movement indicators in their most detail. However,…

Networking and Internet Architecture · Computer Science 2022-01-14 David Ziegler , Johannes Betz , Markus Lienkamp

Background: Biomedical data are usually collections of longitudinal data assessed at certain points in time. Clinical observations assess the presences and severity of symptoms, which are the basis for description and modeling of disease…

Databases · Computer Science 2023-07-26 Richard Fechner , Jens Dörpinghaus , Robert Rockenfeller , Jennifer Faber

Data collected by wearable devices in sports provide valuable information about an athlete's behavior such as their activity, performance, and ability. These time series data can be studied with approaches such as hidden Markov and…

Applications · Statistics 2020-10-22 Shirley Rojas-Salazar , Erin M. Schliep , Christopher K. Wikle , Matthew Hawkey

The world knowledge and reasoning capabilities of text-based large language models (LLMs) are advancing rapidly, yet current approaches to human motion understanding, including motion question answering and captioning, have not fully…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Yao Zhang , Zhuchenyang Liu , Thomas Ploetz , Yu Xiao

Hidden Markov models (HMMs) are powerful tools for analysing time series data that depend on discrete underlying but unobserved states. As such, they have gained prominence across numerous empirical disciplines, in particular ecology,…

Methodology · Statistics 2026-03-19 Jan-Ole Fischer

We propose a Bayesian nonparametric mixture model for prediction- and information extraction tasks with an efficient inference scheme. It models categorical-valued time series that exhibit dynamics from multiple underlying patterns (e.g.…

Machine Learning · Statistics 2017-06-21 Jan Reubold , Thorsten Strufe , Ulf Brefeld

Human mobility modeling is critical for urban planning and transportation management, yet existing approaches often lack the integration capabilities needed to handle diverse data sources. We present a foundation model framework for…

Machine Learning · Computer Science 2025-07-18 Haoxuan Ma , Xishun Liao , Yifan Liu , Qinhua Jiang , Chris Stanford , Shangqing Cao , Jiaqi Ma