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RealPen: Providing Realism in Handwriting Tasks on Touch Surfaces using Auditory-Tactile Feedback

Cho, Y; Bianchi, A; Marquardt, N; Bianchi-Berthouze, N; (2016) RealPen: Providing Realism in Handwriting Tasks on Touch Surfaces using Auditory-Tactile Feedback. In: Rekimoto, J and Igarashi, T and Wobbrock, JO and Avrahami, D, (eds.) Proceedings of the 29th Annual Symposium on User Interface Software and Technology: UIST '16. (pp. pp. 195-205). Association for Computing Machinery (ACM): New York, NY, USA. Green open access

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Abstract

We present RealPen, an augmented stylus for capacitive tablet screens that recreates the physical sensation of writing on paper with a pencil, ball-point pen or marker pen. The aim is to create a more engaging experience when writing on touch surfaces, such as screens of tablet computers. This is achieved by regenerating the friction-induced oscillation and sound of a real writing tool in contact with paper. To generate realistic tactile feedback, our algorithm analyzes the frequency spectrum of the friction oscillation generated when writing with traditional tools, extracts principal frequencies, and uses the actuator's frequency response profile for an adjustment weighting function. We enhance the realism by providing the sound feedback aligned with the writing pressure and speed. Furthermore, we investigated the effects of superposition and fluctuation of several frequencies on human tactile perception, evaluated the performance of RealPen, and characterized users' perception and preference of each feedback type.

Type: Proceedings paper
Title: RealPen: Providing Realism in Handwriting Tasks on Touch Surfaces using Auditory-Tactile Feedback
Event: 29th Annual Symposium on User Interface Software and Technology (UIST)
Location: Tokyo, JAPAN
Dates: 16 October 2016 - 19 October 2016
ISBN-13: 9781450341899
Open access status: An open access version is available from UCL Discovery
DOI: 10.1145/2984511.2984550
Publisher version: https://doi.org/10.1145/2984511.2984550
Language: English
Additional information: Copyright is held by the owner/author(s). Publication rights licensed to ACM.
Keywords: Haptics, tactile feedback, handwriting, stylus, pen, friction, friction-induced oscillation, auditory feedback
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > UCL Interaction Centre
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: https://discovery.ucl.ac.uk/id/eprint/1509625
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