Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens

Quentin Roy; Yves Guiard; Gilles Bailly; Éric Lecolinet; Olivier Rioul

doi:10.1007/978-3-319-22723-8_5

Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens

Quentin Roy
, Yves Guiard
, Gilles Bailly
, Éric Lecolinet
, Olivier Rioul

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The usability of small devices such as smartphones or interactive watches is often hampered by the limited size of command vocabularies. This paper is an attempt at better understanding how finger identification may help users invoke commands on touch screens, even without recourse to multi-touch input. We describe how finger identification can increase the size of input vocabularies under the constraint of limited real estate, and we discuss some visual cues to communicate this novel modality to novice users. We report a controlled experiment that evaluated, over a large range of input-vocabulary sizes, the efficiency of single-touch command selections with vs. without finger identification. We analyzed the data not only in terms of traditional time and error metrics, but also in terms of a throughput measure based on Shannon’s theory, which we show offers a synthetic and parsimonious account of users’ performance. The results show that the larger the input vocabulary needed by the designer, the more promising the identification of individual fingers.

Original language	English
Title of host publication	Human-Computer Interaction – INTERACT 2015 - 15th IFIP TC 13 International Conference, Proceedings
Editors	Julio Abascal, Simone Barbosa, Mirko Fetter, Tom Gross, Philippe Palanque, Marco Winckler
Publisher	Springer Verlag
Pages	55-71
Number of pages	17
ISBN (Print)	9783319227221
DOIs	https://doi.org/10.1007/978-3-319-22723-8_5
Publication status	Published - 1 Jan 2015
Externally published	Yes
Event	15th IFIP TC 13 International Conference on Human–Computer Interaction, INTERACT 2015 - Bamberg, Germany Duration: 14 Sept 2015 → 15 Sept 2015

Publication series

Name	Lecture Notes in Computer Science
Volume	9299
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Conference

Conference	15th IFIP TC 13 International Conference on Human–Computer Interaction, INTERACT 2015
Country/Territory	Germany
City	Bamberg
Period	14/09/15 → 15/09/15

Keywords

Evaluation methodology
Finger identification
Information theory
Input modality
Multitouch
Throughput

Access to Document

10.1007/978-3-319-22723-8_5

Cite this

Roy, Q., Guiard, Y., Bailly, G., Lecolinet, É., & Rioul, O. (2015). Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens. In J. Abascal, S. Barbosa, M. Fetter, T. Gross, P. Palanque, & M. Winckler (Eds.), Human-Computer Interaction – INTERACT 2015 - 15th IFIP TC 13 International Conference, Proceedings (pp. 55-71). (Lecture Notes in Computer Science; Vol. 9299). Springer Verlag. https://doi.org/10.1007/978-3-319-22723-8_5

Roy, Quentin ; Guiard, Yves ; Bailly, Gilles et al. / Glass+Skin : An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens. Human-Computer Interaction – INTERACT 2015 - 15th IFIP TC 13 International Conference, Proceedings. editor / Julio Abascal ; Simone Barbosa ; Mirko Fetter ; Tom Gross ; Philippe Palanque ; Marco Winckler. Springer Verlag, 2015. pp. 55-71 (Lecture Notes in Computer Science).

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title = "Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens",

abstract = "The usability of small devices such as smartphones or interactive watches is often hampered by the limited size of command vocabularies. This paper is an attempt at better understanding how finger identification may help users invoke commands on touch screens, even without recourse to multi-touch input. We describe how finger identification can increase the size of input vocabularies under the constraint of limited real estate, and we discuss some visual cues to communicate this novel modality to novice users. We report a controlled experiment that evaluated, over a large range of input-vocabulary sizes, the efficiency of single-touch command selections with vs. without finger identification. We analyzed the data not only in terms of traditional time and error metrics, but also in terms of a throughput measure based on Shannon{\textquoteright}s theory, which we show offers a synthetic and parsimonious account of users{\textquoteright} performance. The results show that the larger the input vocabulary needed by the designer, the more promising the identification of individual fingers.",

keywords = "Evaluation methodology, Finger identification, Information theory, Input modality, Multitouch, Throughput",

author = "Quentin Roy and Yves Guiard and Gilles Bailly and {\'E}ric Lecolinet and Olivier Rioul",

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Roy, Q, Guiard, Y, Bailly, G, Lecolinet, É & Rioul, O 2015, Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens. in J Abascal, S Barbosa, M Fetter, T Gross, P Palanque & M Winckler (eds), Human-Computer Interaction – INTERACT 2015 - 15th IFIP TC 13 International Conference, Proceedings. Lecture Notes in Computer Science, vol. 9299, Springer Verlag, pp. 55-71, 15th IFIP TC 13 International Conference on Human–Computer Interaction, INTERACT 2015, Bamberg, Germany, 14/09/15. https://doi.org/10.1007/978-3-319-22723-8_5

Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens. / Roy, Quentin; Guiard, Yves; Bailly, Gilles et al.
Human-Computer Interaction – INTERACT 2015 - 15th IFIP TC 13 International Conference, Proceedings. ed. / Julio Abascal; Simone Barbosa; Mirko Fetter; Tom Gross; Philippe Palanque; Marco Winckler. Springer Verlag, 2015. p. 55-71 (Lecture Notes in Computer Science; Vol. 9299).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

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T2 - 15th IFIP TC 13 International Conference on Human–Computer Interaction, INTERACT 2015

AU - Roy, Quentin

AU - Guiard, Yves

AU - Bailly, Gilles

AU - Lecolinet, Éric

AU - Rioul, Olivier

N1 - Publisher Copyright: © IFIP International Federation for Information Processing 2015.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The usability of small devices such as smartphones or interactive watches is often hampered by the limited size of command vocabularies. This paper is an attempt at better understanding how finger identification may help users invoke commands on touch screens, even without recourse to multi-touch input. We describe how finger identification can increase the size of input vocabularies under the constraint of limited real estate, and we discuss some visual cues to communicate this novel modality to novice users. We report a controlled experiment that evaluated, over a large range of input-vocabulary sizes, the efficiency of single-touch command selections with vs. without finger identification. We analyzed the data not only in terms of traditional time and error metrics, but also in terms of a throughput measure based on Shannon’s theory, which we show offers a synthetic and parsimonious account of users’ performance. The results show that the larger the input vocabulary needed by the designer, the more promising the identification of individual fingers.

AB - The usability of small devices such as smartphones or interactive watches is often hampered by the limited size of command vocabularies. This paper is an attempt at better understanding how finger identification may help users invoke commands on touch screens, even without recourse to multi-touch input. We describe how finger identification can increase the size of input vocabularies under the constraint of limited real estate, and we discuss some visual cues to communicate this novel modality to novice users. We report a controlled experiment that evaluated, over a large range of input-vocabulary sizes, the efficiency of single-touch command selections with vs. without finger identification. We analyzed the data not only in terms of traditional time and error metrics, but also in terms of a throughput measure based on Shannon’s theory, which we show offers a synthetic and parsimonious account of users’ performance. The results show that the larger the input vocabulary needed by the designer, the more promising the identification of individual fingers.

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KW - Input modality

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KW - Throughput

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A2 - Palanque, Philippe

A2 - Winckler, Marco

PB - Springer Verlag

Y2 - 14 September 2015 through 15 September 2015

ER -

Roy Q, Guiard Y, Bailly G, Lecolinet É , Rioul O. Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens. In Abascal J, Barbosa S, Fetter M, Gross T, Palanque P, Winckler M, editors, Human-Computer Interaction – INTERACT 2015 - 15th IFIP TC 13 International Conference, Proceedings. Springer Verlag. 2015. p. 55-71. (Lecture Notes in Computer Science). doi: 10.1007/978-3-319-22723-8_5

Glass+Skin: An empirical evaluation of the added value of finger identification to basic single-touch interaction on touch screens

Abstract

Publication series

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Keywords

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