Off-limits: interacting beyond the boundaries of large displays

Anders Markussen; Sebastian Boring; Mikkel Rønne Jakobsen; Kasper Hornbæk

doi:10.1145/2858036.2858083

Off-limits: interacting beyond the boundaries of large displays

Anders Markussen, Sebastian Boring, Mikkel Rønne Jakobsen, Kasper Hornbæk

Department of Computer Science

3 Citations (Scopus)

Abstract

The size of information spaces often exceeds the limits of even the largest displays. This makes navigating such spaces through on-screen interactions demanding. However, if users imagine the information space extending in a plane beyond the display's boundaries, they might be able to use the space beyond the display for input. This paper investigates Off-Limits, an interaction concept extending the input space of a large display into the space beyond the screen through the use of mid-air pointing. We develop and evaluate the concept through three empirical studies in one-dimensional space: First, we explore benefits and limitations of off-screen pointing compared to touch interaction and mid-air on-screen pointing; next, we assess users' accuracy in off-screen pointing to model the distance-to-screen vs. accuracy trade-off; and finally, we show how Off-Limits is further improved by applying that model to the naïve approach. Overall, we found that the final Off-Limits concept provides significant performance benefits over onscreen and touch pointing conditions.

Original language	English
Title of host publication	Proceedings - the 34th Annual CHI Conference on Human Factors in Computing Systems
Number of pages	12
Publisher	Association for Computing Machinery
Publication date	7 May 2016
Pages	5862-5873
ISBN (Print)	978-1-4503-3362-7
DOIs	https://doi.org/10.1145/2858036.2858083
Publication status	Published - 7 May 2016
Event	34th Annual CHI Conference on Human Factors in Computing Systems - San Jose Convention Center, San Jose, United States Duration: 7 May 2016 → 12 May 2016 Conference number: 34

Conference

Conference	34th Annual CHI Conference on Human Factors in Computing Systems
Number	34
Location	San Jose Convention Center
Country/Territory	United States
City	San Jose
Period	07/05/2016 → 12/05/2016

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10.1145/2858036.2858083

Cite this

Off-limits : interacting beyond the boundaries of large displays. / Markussen, Anders; Boring, Sebastian; Jakobsen, Mikkel Rønne et al.

Proceedings - the 34th Annual CHI Conference on Human Factors in Computing Systems. Association for Computing Machinery, 2016. p. 5862-5873.

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

Markussen, A, Boring, S, Jakobsen, MR & Hornbæk, K 2016, Off-limits: interacting beyond the boundaries of large displays. in Proceedings - the 34th Annual CHI Conference on Human Factors in Computing Systems. Association for Computing Machinery, pp. 5862-5873, 34th Annual CHI Conference on Human Factors in Computing Systems, San Jose, United States, 07/05/2016. https://doi.org/10.1145/2858036.2858083

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AB - The size of information spaces often exceeds the limits of even the largest displays. This makes navigating such spaces through on-screen interactions demanding. However, if users imagine the information space extending in a plane beyond the display's boundaries, they might be able to use the space beyond the display for input. This paper investigates Off-Limits, an interaction concept extending the input space of a large display into the space beyond the screen through the use of mid-air pointing. We develop and evaluate the concept through three empirical studies in one-dimensional space: First, we explore benefits and limitations of off-screen pointing compared to touch interaction and mid-air on-screen pointing; next, we assess users' accuracy in off-screen pointing to model the distance-to-screen vs. accuracy trade-off; and finally, we show how Off-Limits is further improved by applying that model to the naïve approach. Overall, we found that the final Off-Limits concept provides significant performance benefits over onscreen and touch pointing conditions.

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M3 - Article in proceedings

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PB - Association for Computing Machinery

Y2 - 7 May 2016 through 12 May 2016

ER -

Off-limits: interacting beyond the boundaries of large displays

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