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Real Time Tracking and Face Recognition Using Web Camera

Thirunavakkarasu, Punithavathi (2005) Real Time Tracking and Face Recognition Using Web Camera. Masters thesis, Universiti Putra Malaysia.

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Abstract

Much interest has been shown in the field of biometric surveillance over the past decade. Face Recognition is a biometric recognition system that has gained much attention due to its low intrusiveness and easy availability of input data. To humans, face recognition is a natural ability that is an easy task. However, computerized face recognition is often complex and inaccurate. Several good techniques such as template matching, graph matching and eigenfaces have been developed by researchers to accomplish this task to varying degrees of success. In this dissertation, the eigenface approach is combined with neural networks to perform face recognition. Face images are first projected into a feature space where eigenvectors are extracted. The neural network performs identification and is used to train the computer to recognize faces. A number of very good approaches to face recognition are already available. Most of them work well in constrained environments. Here the development of a real time face recognition system that should work well in an unconstrained environment is studied. A tracking system is developed to work together with the face recognition algorithm. A method using pixel difference is used to detect movements in the camera's view. A pantilt system, using stepper motors is used to enable horizontal and vertical movements. The face recognition algorithm is found to be working well with a recognition rate of around 95%. Eigenface method combined with neural networks displays good performance in terms of accuracy and the ability for learning and generalization. The tracking system works well for objects traveling speeds below 5mIs and at distances from between 0.5m to 2m from the camera. Several improvements are suggested to improve the tracking system performance. An overview of some leading tracking and face recognition systems and scope of future work in this area is discussed.

Item Type:Thesis (Masters)
Subject:Human face recognition (Computer science - Webcams - Case studies
Chairman Supervisor:Associate Professor Abdul Rahman bin Ramli, PhD
Call Number:FK 2005 23
Faculty or Institute:Faculty of Engineering
ID Code:6030
Deposited By: Nur Izyan Mohd Zaki
Deposited On:07 May 2010 12:25
Last Modified:27 May 2013 15:26

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