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Advancing the Concepts & Practices of Information Resources Management in Modern Organizations

Advances in Tracking and Recognition of Human Motion

Advances in Tracking and Recognition of Human Motion
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Author(s): Niki Aifanti (Informatics & Telematics Institute, Greece), Angel D. Sappa (Computer Vision Center, Spain), Nikos Grammalidis (Informatics & Telematics Institute, Greece) and Sotiris Grammalidis Malassiotis (Informatics & Telematics Institute, Greece)
Copyright: 2009
Pages: 7
Source title: Encyclopedia of Information Science and Technology, Second Edition
Source Author(s)/Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-60566-026-4.ch012

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Abstract

Tracking and recognition of human motion has become an important research area in computer vision. In real world conditions it constitutes a complicated problem, considering cluttered backgrounds, gross illumination variations, occlusions, self-occlusions, different clothing and multiple moving objects. These ill-posed problems are usually tackled by making simplifying assumptions regarding the scene or by imposing constraints on the motion. Constraints such as that the contrast between the moving people and the background should be high and that everything in the scene should be static except for the target person are quite often introduced in order to achieve accurate segmentation. Moreover, the motion of the target person is often confined to simple movements with limited occlusions. In addition, assumptions such as known initial position and posture of the person are usually imposed in tracking processes.

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