Research Papers

Application of Cascade Hand Detection for Touchless Interaction in Virtual Design

[+] Author and Article Information
Y. Q. Guan1

Assistant Director (Admin) Institute for Media Innovation,  Nanyang Technological University, 50 Nanyang Drive, RTP XF #03-01, Singapore, 637553 e-mail: yunqing.guan@ntu.edu.sg

H. S. Tan

Manager Future Media CSTB,  Temasek Polytechnic, 21 Tampines Avenue 1, Singapore 529757 e-mail: hocksoon@tp.edu.sg

F. Furtado

Student School of Engineering,  Temasek Polytechnic 21 Tampines Avenue 1, Singapore 529757 e-mail: 0703726J@student.tp.edu.sg

A. Tan

Student School of Engineering,  Temasek Polytechnic 21 Tampines Avenue 1, Singapore 529757 e-mail: 0701951F@student.tp.edu.sg





Corresponding author.

J. Comput. Inf. Sci. Eng 12(1), 011005 (Dec 21, 2011) (5 pages) doi:10.1115/1.3615972 History: Received October 23, 2009; Revised June 28, 2011; Published December 21, 2011; Online December 21, 2011

This paper proposes a method for robust hand detection for interactive touchless display using cascade classifier technique. A hardware system comprising a transparent display, two video cameras and a projector is assembled to generate on-display-surface object images for touchless display. A well-trained cascade of boosted classifiers is applied to detect the position of the hand in the object image. Using this method, accurate and robust hand detection for touchless display can be achieved. The detected hand trajectory information can be converted into mouse and keyboard inputs for interactive control and manipulation in virtual applications like virtual assembly and virtual design.

Copyright © 2012 by American Society of Mechanical Engineers
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Figure 1

Misinterpretation of viewer’s elbow as hand with connected object computing algorithm

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Figure 3

System physical configuration

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Figure 4

Captured image from right and left camera

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Figure 5

Image processing workflow

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Figure 6

Detection cascade

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Figure 10

Convert hand trajectory information

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Figure 11

Manipulations on a virtual chair

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Figure 12

Interactive control of virtual chair on touchless display



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