Overview

Analyzing Video Sequences of Multiple Humans: Tracking, Posture Estimation and Behavior Recognition describes some computer vision-based methods that analyze video sequences of humans. More specifically, methods for tracking multiple humans in a scene, estimating postures of a human body in 3D in real-time, and recognizing a person's behavior (gestures or activities) are discussed. For the tracking algorithm, the authors developed a non-synchronous method that tracks multiple persons by exploiting a Kalman filter that is applied to multiple video sequences. For estimating postures, an algorithm is presented that locates the significant points which determine postures of a human body, in 3D in real-time. Human activities are recognized from a video sequence by the HMM (Hidden Markov Models)-based method that the authors pioneered. The effectiveness of the three methods is shown by experimental results.

Full Product Details

Author:   Jun Ohya ,  Akira Utsumi ,  Junji Yamato
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   Softcover reprint of the original 1st ed. 2002
Volume:   3
Dimensions:   Width: 15.50cm , Height: 0.80cm , Length: 23.50cm
Weight:   0.261kg
ISBN:  

9781461353461

ISBN 10:   1461353467
Pages:   138
Publication Date:   31 October 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

1 Introduction.- 2 Tracking multiple persons from multiple camera images.- 2.1 Overview.- 2.2 Preparation.- 2.4 Algorithm for Multiple-Camera Human Tracking System.- 2.5 Implementation.- 2.6 Experiments.- 2.7 Discussion and Conclusions.- Appendix: Image Segmentation using Sequential-image-based Adaptation.- 3 Posture estimation.- 3.1 Introduction.- 3.2 A Heuristic Method for Estimating Postures in 2D.- 3.3 A Heuristic Method for Estimating Postures in 3D.- 3.3.6 Summary.- 3.4 A Non-heuristic Method for Estimating Postures in 3D.- 3.5 Applications to Virtual Environments.- 3.6 Discussion and Conclusion.- 4 Recognizing human behavior using Hidden Markov Models.- 4.1 Background and overview.- 4.2 Hidden Markov Models.- 4.3 Applying HMM to time-sequential images.- 4.4 Experiments.- 4.5 Category-separated vector quantization.- 4.6 Applying Image Database Search.- 4.7 Discussion and Conclusion.- 5 Conclusion and Future Work.

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