Fingertip guiding manipulator for blind persons to create mental images by switch passive/active hybrid line-drawing explorations

Syed Muammar Najib Syed Yusoh; Yoshihiko Nomura; Kazuya Inoue; Naomi Kokubo

doi:10.1117/12.876478

24 January 2011 Fingertip guiding manipulator for blind persons to create mental images by switch passive/active hybrid line-drawing explorations

Syed Muammar Najib Syed Yusoh, Yoshihiko Nomura, Kazuya Inoue, Naomi Kokubo

Author Affiliations +

Proceedings Volume 7878, Intelligent Robots and Computer Vision XXVIII: Algorithms and Techniques; 78780L (2011) https://doi.org/10.1117/12.876478
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

The authors developed a fingertip guiding system which consists of a haptic manipulator (PHANTOM Omni) to help a blind person to create mental images of a pre-planned trajectory. When using this system, the person will grasp a stylus (a pen-shaped stick) of the haptic manipulator by his/her fingertip. The system is equipped with dual mode fingertip guiding function which allows switching between modes (a passive or an active mode) in recognizing the image provided. In passive mode, the system will guide and pull a person's hand, and it will also provide force feedback to his/her fingertip, while constraining the fingertips motion along the trajectory. On the other hand, in active mode, the system will guide and provide force feedback at the fingertips of the subject but allows the persons to freely move his/her fingertip on the trajectory. The main objective of the research is to create a hybrid exploration system which consists of active and passive modes. In this paper, we targeted our scope on the active mode system. We examined the effectiveness in understanding the trajectory by moving his/her fingertips with haptic manipulator either on a flat surface or in a free aerial space (without any surface provided).It was confirmed that the active system with a flat surface expedites the understanding of the layout's trajectory.

Citation Download Citation

Syed Muammar Najib Syed Yusoh, Yoshihiko Nomura, Kazuya Inoue, and Naomi Kokubo "Fingertip guiding manipulator for blind persons to create mental images by switch passive/active hybrid line-drawing explorations", Proc. SPIE 7878, Intelligent Robots and Computer Vision XXVIII: Algorithms and Techniques, 78780L (24 January 2011); https://doi.org/10.1117/12.876478

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KEYWORDS

Haptic technology

Visualization

Switches

Switching

Free space

Interfaces

Computing systems

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