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Inverted FTIR: easy multitouch sensing for flatscreens

Published: 23 November 2009 Publication History

Abstract

The increased attention which multitouch interfaces have received in recent years is partly due to the availability of cheap sensing hardware such as FTIR-based screens. However, this method has so far required a bulky projector-camera setup behind the screen. In this paper, we present a new approach to FTIR sensing by "inverting" the setup and placing the camera in front of the screen. This allows the use of unmodified flat screens as display, thereby dramatically shrinking the space required behind the screen and enabling the easy construction of new types of interactive surfaces.

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Cited By

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  • (2024)RFTIRTouch: Touch Sensing Device for Dual-sided Transparent Plane Based on Repropagated Frustrated Total Internal ReflectionProceedings of the 37th Annual ACM Symposium on User Interface Software and Technology10.1145/3654777.3676428(1-10)Online publication date: 13-Oct-2024
  • (2023)S-UbiTap: Leveraging Acoustic Dispersion for Ubiquitous and Scalable Touch Interface on Solid SurfacesIEEE Transactions on Mobile Computing10.1109/TMC.2022.319522622:11(6800-6816)Online publication date: 1-Nov-2023
  • (2018)Painting an Apple with an AppleProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/32870402:4(1-22)Online publication date: 27-Dec-2018
  • Show More Cited By

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cover image ACM Conferences
ITS '09: Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
November 2009
240 pages
ISBN:9781605587332
DOI:10.1145/1731903
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 23 November 2009

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Overall Acceptance Rate 119 of 418 submissions, 28%

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View all
  • (2024)RFTIRTouch: Touch Sensing Device for Dual-sided Transparent Plane Based on Repropagated Frustrated Total Internal ReflectionProceedings of the 37th Annual ACM Symposium on User Interface Software and Technology10.1145/3654777.3676428(1-10)Online publication date: 13-Oct-2024
  • (2023)S-UbiTap: Leveraging Acoustic Dispersion for Ubiquitous and Scalable Touch Interface on Solid SurfacesIEEE Transactions on Mobile Computing10.1109/TMC.2022.319522622:11(6800-6816)Online publication date: 1-Nov-2023
  • (2018)Painting an Apple with an AppleProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/32870402:4(1-22)Online publication date: 27-Dec-2018
  • (2018)UbiTapProceedings of the 16th ACM Conference on Embedded Networked Sensor Systems10.1145/3274783.3274848(211-223)Online publication date: 4-Nov-2018
  • (2017)Investigating pre-touch for sound generation on multi-touch surfaces using blob area detection2017 IEEE International Conference on Systems, Man, and Cybernetics (SMC)10.1109/SMC.2017.8122752(1064-1068)Online publication date: Oct-2017
  • (2016)SymmetriSenseProceedings of the 2016 CHI Conference on Human Factors in Computing Systems10.1145/2858036.2858286(5126-5137)Online publication date: 7-May-2016
  • (2013)InfTouch: A multi-touch and free-air interaction technique for over-sized displays2013 6th International Congress on Image and Signal Processing (CISP)10.1109/CISP.2013.6743903(1452-1456)Online publication date: Dec-2013
  • (2012)ZeroTouchProceedings of the SIGCHI Conference on Human Factors in Computing Systems10.1145/2207676.2208368(2165-2174)Online publication date: 5-May-2012
  • (2010)Construction and evaluation of multi-touch screens using multiple cameras located on the side of the displayACM International Conference on Interactive Tabletops and Surfaces10.1145/1936652.1936667(83-90)Online publication date: 7-Nov-2010

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