Laser spotlight detection and interpretation of its movement behavior in laser pointer interface

Romy Budhi Widodo, Weijen Chen, Takafumi Matsumaru

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

A laser pointer can be used as an input interface in human-machine interaction. Such utilization, however, can be problematic and one of the main issues is the lack of good reliability in the laser spotlight detection. Another problem is how to interpret the user's movement of the spotlight into commands for the application. This paper proposes a method for a laser spotlight detection. The aim is to improve the practicality and reliability of the previous approaches. We use the maximum pixel value as a multiplier in determining the threshold. Maximum pixel value is obtained from environment brightness at a specified time. For the second problem we propose a simple interpretation of incidents that allows the user to use the application, with three main events: laser-move, hover, and single-click. There is no need for users and program to wait a specified time span to be able to interact with each other, and the user can directly give commands to the application after the single-click event. These approaches result in better reliability, easier operation of the application by the user, and allow opportunity for development of a system for rehabilitative, recreation, and input interface devices in the future.

Original languageEnglish
Title of host publication2012 IEEE/SICE International Symposium on System Integration, SII 2012
Pages780-785
Number of pages6
DOIs
Publication statusPublished - 2012
Event2012 IEEE/SICE International Symposium on System Integration, SII 2012 - Fukuoka
Duration: 2012 Dec 162012 Dec 18

Other

Other2012 IEEE/SICE International Symposium on System Integration, SII 2012
CityFukuoka
Period12/12/1612/12/18

Fingerprint

Lasers
Pixels
Luminance

ASJC Scopus subject areas

  • Information Systems

Cite this

Widodo, R. B., Chen, W., & Matsumaru, T. (2012). Laser spotlight detection and interpretation of its movement behavior in laser pointer interface. In 2012 IEEE/SICE International Symposium on System Integration, SII 2012 (pp. 780-785). [6427378] https://doi.org/10.1109/SII.2012.6427378

Laser spotlight detection and interpretation of its movement behavior in laser pointer interface. / Widodo, Romy Budhi; Chen, Weijen; Matsumaru, Takafumi.

2012 IEEE/SICE International Symposium on System Integration, SII 2012. 2012. p. 780-785 6427378.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Widodo, RB, Chen, W & Matsumaru, T 2012, Laser spotlight detection and interpretation of its movement behavior in laser pointer interface. in 2012 IEEE/SICE International Symposium on System Integration, SII 2012., 6427378, pp. 780-785, 2012 IEEE/SICE International Symposium on System Integration, SII 2012, Fukuoka, 12/12/16. https://doi.org/10.1109/SII.2012.6427378
Widodo RB, Chen W, Matsumaru T. Laser spotlight detection and interpretation of its movement behavior in laser pointer interface. In 2012 IEEE/SICE International Symposium on System Integration, SII 2012. 2012. p. 780-785. 6427378 https://doi.org/10.1109/SII.2012.6427378
Widodo, Romy Budhi ; Chen, Weijen ; Matsumaru, Takafumi. / Laser spotlight detection and interpretation of its movement behavior in laser pointer interface. 2012 IEEE/SICE International Symposium on System Integration, SII 2012. 2012. pp. 780-785
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