David Ryan

Queensland University of Technology — Australia

Computer Science · Physical Sciences

9h-index642citations18works0.02yr avg
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Research Topics

Video Surveillance and Tracking Methods(16), Anomaly Detection Techniques and Applications(15), Human Pose and Action Recognition(4), Network Security and Intrusion Detection(3), Traffic and Road Safety(2)

Publications18 total

Automatic surveillance in transportation hubs: No longer just about catching the bad guy
Expert Systems with Applications·2015· 17 cited
Large scale monitoring of crowds and building utilisation: A new database and distributed approach
2015· 7 cited
An evaluation of crowd counting methods, features and regression models
Computer Vision and Image Understanding·2014· 142 cited
Crowd monitoring using computer vision
2014· 9 cited
An Evaluation of Different Features and Learning Models for Anomalous Event Detection
2013· 15 cited
Scene invariant multi camera crowd counting
Pattern Recognition Letters·2013· 51 cited
Detecting anomalous events at railway level crossings
Proceedings of the Institution of Mechanical Engineers Part F Journal of Rail and Rapid Transit·2013· 3 cited
A Multi Agent System for Flow-Based Intrusion Detection
2013· 1 cited
An analysis of the KEEP CLEAR pavement markings effects on queuing vehicles dynamic performance at urban signalised intersections
QUT ePrints (Queensland University of Technology)·2013· 1 citedOpen Access
Anomalous Event Detection Using a Semi-Two Dimensional Hidden Markov Model
2012· 7 cited
Anomalous event detection using a semi-two dimensional hidden Markov model
QUT ePrints (Queensland University of Technology)·2012
Scene Invariant Crowd Counting and Crowd Occupancy Analysis
Studies in computational intelligence·2012· 9 cited
Scene Invariant Crowd Counting
2011· 14 cited
Textures of optical flow for real-time anomaly detection in crowds
2011· 4 citedOpen Access
Crowd Counting Using Group Tracking and Local Features
2010· 3 citedOpen Access
Semi-supervised intelligent surveillance system for secure environments
2010· 32 cited
Crowd Counting Using Multiple Local Features
2009· 327 cited
Scene invariant crowd counting for real-time surveillance
2008Open Access

Frequent Co-authors

Simon Denman(16), Clinton Fookes(16), Sridha Sridharan(16), Hajananth Nallaivarothayan(4), Ruan Lakemond(1), Massimo Piccardi(1), Tristan Kleinschmidt(1), Paul Barnes(1), Andry Rakotonirainy(1), Shuai Yang(1), Edward Chung(1), Marc Miska(1)