Modeling changing dependency structure in multivariate time series

X Xuan, K Murphy - Proceedings of the 24th international conference on …, 2007 - dl.acm.org
We show how to apply the efficient Bayesian changepoint detection techniques of
Fearnhead in the multivariate setting. We model the joint density of vector-valued …

Deep explicit duration switching models for time series

AF Ansari, K Benidis, R Kurle… - Advances in …, 2021 - proceedings.neurips.cc
Many complex time series can be effectively subdivided into distinct regimes that exhibit
persistent dynamics. Discovering the switching behavior and the statistical patterns in these …

Efficient duration and hierarchical modeling for human activity recognition

T Duong, D Phung, H Bui, S Venkatesh - Artificial intelligence, 2009 - Elsevier
A challenge in building pervasive and smart spaces is to learn and recognize human
activities of daily living (ADLs). In this paper, we address this problem and argue that in …

Shape-and-behavior encoded tracking of bee dances

A Veeraraghavan, R Chellappa… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
Behavior analysis of social insects has garnered impetus in recent years and has led to
some advances in fields like control systems, flight navigation etc. Manual labeling of insect …

Switching vector autoregressive models with higher-order regime dynamics application to prognostics and health management

A Hochstein, HI Ahn, YT Leung… - … on prognostics and …, 2014 - ieeexplore.ieee.org
Regime switching vector autoregressive (RSVAR) models are typically used to model
changing dependency structures of multivariate time series. These changing regimes are …

A Novel Computational Approach for Simultaneous Tracking and Feature Extraction of C. elegans Populations in Fluid Environments

G Tsechpenakis, L Bianchi… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
The nematode Caenorhabditis elegans (C. elegans) is a genetic model widely used to
dissect conserved basic biological mechanisms of development and nervous system …

Unsupervised view and rate invariant clustering of video sequences

P Turaga, A Veeraraghavan, R Chellappa - Computer Vision and Image …, 2009 - Elsevier
Videos play an ever increasing role in our everyday lives with applications ranging from
news, entertainment, scientific research, security and surveillance. Coupled with the fact that …

Substructure and boundary modeling for continuous action recognition

Z Wang, J Wang, J **ao, KH Lin… - 2012 IEEE Conference …, 2012 - ieeexplore.ieee.org
This paper introduces a probabilistic graphical model for continuous action recognition with
two novel components: substructure transition model and discriminative boundary model …

[書籍][B] Intelligent video surveillance: systems and technology

Y Ma, G Qian - 2009 - taylorfrancis.com
From the streets of London to subway stations in New York City, hundreds of thousands of
surveillance cameras ubiquitously collect hundreds of thousands of videos, often running …

A dataset of ant colonies' motion trajectories in indoor and outdoor scenes to study clustering behavior

M Wu, X Cao, M Yang, X Cao, S Guo - GigaScience, 2022 - academic.oup.com
Background The motion and interaction of social insects (such as ants) have been studied
by many researchers to understand clustering mechanisms. Most studies in the field of ant …