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AVSS
2006
IEEE
13 years 11 months ago
An LMI Approach for Reliable PTZ Camera Self-Calibration
PTZ (Pan-Tilt-Zoom) cameras are widely used for large-area video surveillance. For many visual tracking and video analysis tasks, an accurate camera calibration is very important....
Hongdong Li, Chunhua Shen
AVSS
2006
IEEE
13 years 11 months ago
Recognizing Facial Expressions in Videos Using a Facial Action Analysis-Synthesis Scheme
In this paper, we propose a novel approach for facial expression analysis and recognition. The proposed approach relies on tracked facial actions provided by an appearance-based 3...
Fadi Dornaika, Bogdan Raducanu
AVSS
2006
IEEE
13 years 11 months ago
Robust License Plate Detection Using Covariance Descriptor in a Neural Network Framework
We present a license plate detection algorithm that employs ABC This work may not be copied or reproduced in whole or in part for any commercial purpose. Permission to copy in who...
Fatih Porikli, Tekin Kocak
AVSS
2006
IEEE
13 years 11 months ago
An Active Head Tracking System for Distance Education and Videoconferencing Applications
We present a system for automatic head tracking with a single pan-tilt-zoom (PTZ) camera. In distance education the PTZ tracking system developed can be used to follow a teacher a...
Sami Huttunen, Janne Heikkilä
AVSS
2006
IEEE
13 years 11 months ago
Fusion of Omnidirectional and PTZ Cameras for Accurate Cooperative Tracking
Dual camera systems (omnidirectional and slaved PTZ cameras) are widely used in public area monitoring and target tracking. However, due to their low and non-uniform resolution, o...
Yi Yao, Besma R. Abidi, Mongi A. Abidi