Front-view vehicle detection by Markov chain Monte Carlo method
Pattern Recognition
Vehicle tracking from disparate views
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Tracking of vehicle trajectory by combining a camera and a laser rangefinder
Machine Vision and Applications
Feature clustering for vehicle detection and tracking in road traffic surveillance
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Feature-based tracking approach for detection of moving vehicle in traffic videos
Proceedings of the First International Conference on Intelligent Interactive Technologies and Multimedia
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part II
Monocular vision-based target detection on dynamic transport infrastructures
EUROCAST'11 Proceedings of the 13th international conference on Computer Aided Systems Theory - Volume Part I
Automated traffic surveillance using fusion of Doppler radar and video information
Mathematical and Computer Modelling: An International Journal
Hierarchical feature grouping for multiple object segmentation and tracking
Proceedings of the 27th Conference on Image and Vision Computing New Zealand
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We present a novel method for visually monitoring a highway when the camera is relatively low to the ground and on the side of the road. In such a case, occlusion and the perspective effects due to the heights of the vehicles cannot be ignored. Features are detected and tracked throughout the image sequence, and then grouped together using a multi-level homography, which is an extension of the standard homography to the low-angle situation. We derive a concept called the relative height constraint that makes it possible to estimate the 3D height of feature points on the vehicles from a single camera, a key part of the technique. Experimental results on several different highways demonstrate the systemýs ability to successfully segment and track vehicles at low angles, even in the presence of severe occlusion and significant perspective changes.