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A Survey of Security Concerns in Various Data Aggregation Techniques in Wireless Sensor Networks Read chapter Read first chapter

2015 | OriginalPaper | Chapter

A Hybrid Motion Based-Object Tracking Algorithm for VTS

Authors : Prasenjit Das, Nirmalya Kar

Published in: Intelligent Computing, Communication and Devices

Publisher: Springer India

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Abstract

This paper presents a hybrid motion path estimation-based object tracking algorithm for virtual touch screen (VTS) system using a projector, a camera, and LEDs as cursor indicator. The position of hand in current frame is estimated based on its position in previous frames. At the estimated hand position, a square region of interest (ROI) is considered to search for exact location of hand indicator. We also devised a modified full search (FS) algorithm to apply on entire frame. Efficiency of the algorithm is evaluated based on hand indicator detection rate with respect to frame rate and distance between the camera and projection surface. Performance comparison with other algorithms using FS on entire frame or fixed size ROI shows that implementation of the proposed algorithm significantly improves real-time performance by increasing accuracy and reducing computational time.

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Metadata
Title
A Hybrid Motion Based-Object Tracking Algorithm for VTS
Authors
Prasenjit Das
Nirmalya Kar
Copyright Year
2015
Publisher
Springer India
Book
Intelligent Computing, Communication and Devices

Print ISBN: 978-81-322-2008-4

Electronic ISBN: 978-81-322-2009-1

Copyright Year: 2015

DOI
https://doi.org/10.1007/978-81-322-2009-1_23

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