A novel, non-touch, screen pointing interface is proposed for the use of intelligent presenter/audience collaborative environment. The underlying methodology for detecting a virtual passive pointer is described. The passive pointer or device does not have any active energy source within it (as opposed to a laser pointer) and thus cannot easily be detected or identified. The modeling and simulation task is carried out by generating high resolution color images of a pointer viewing via two digital cameras with a popular three-dimensional (3D) computer graphics and animation program, Studio 3D Max by Discreet. These images are then retrieved for analysis into a Microsoft’s Visual C++ program developed based on the theory of image triangulation. The program outputs a precise coordinates of the pointer in the 3D space in addition to its projection on a view screen located in a large display/presentation room. The computational results of the pointer projection are compared with known locations specified by Studio 3D Max for different simulated configurations. High pointing accuracy is achieved: a pointer kept 30 feet away correctly hits the target location within a few inches. Thus, this technology is useful in a large setting where presenter-audience collaborative applications are needed.
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ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 10–13, 2006
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4257-6
PROCEEDINGS PAPER
Towards Development of a Non-Touch Man-Machine Interface for Intelligent Presenter-Audience Collaborative Environment
Naren Vira,
Naren Vira
Howard University, Washington, D.C.
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Shaleen Vira
Shaleen Vira
New York University, New York, NY
Search for other works by this author on:
Naren Vira
Howard University, Washington, D.C.
Shaleen Vira
New York University, New York, NY
Paper No:
DETC2006-99267, pp. 841-849; 9 pages
Published Online:
June 3, 2008
Citation
Vira, N, & Vira, S. "Towards Development of a Non-Touch Man-Machine Interface for Intelligent Presenter-Audience Collaborative Environment." Proceedings of the ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 3: 26th Computers and Information in Engineering Conference. Philadelphia, Pennsylvania, USA. September 10–13, 2006. pp. 841-849. ASME. https://doi.org/10.1115/DETC2006-99267
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