A Touchless Gestural System for Extended Information Access Within a Campus

Sorce, Salvatore; Gentile, Vito; Enea, Cristina; Gentile, Antonio; Malizia, Alessio; Milazzo, Fabrizio

doi:10.1145/3123458.3123459

Cited by 10 publications

(10 citation statements)

References 21 publications

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“…The use of touchless gestures, especially when applied to public displays, has many advantages. Among them, touchless gestural interaction limits vandalism by placing displays in unreachable places [31], keeping a high hygiene level of the screen surface [19], and removing constraints to the display size (see, for instance, works on media façades [9]). Walter et al [34] focused their work on describing existing solutions found in literature, for user representation in touchless gestural applications.…”

Section: Gestural Interfaces and The Use Of Avatarmentioning

confidence: 99%

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Child-display interaction

Rubegni

Gentile

Malizia

et al. 2019

Proceedings of the 8th ACM International Symposium on Pervasive Displays

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During the last decade, touchless gestural interfaces have been widely studied as one of the most promising interaction paradigms in the context of pervasive displays. In particular, avatars and silhouettes have been proved to be effective in communicating the touchless gestural interactivity supported by displays. In the paper, we take a child-display interaction perspective by exploring avatarbased touchless gestural interfaces. We believe that large displays offer an opportunity to stimulate child experience and engagement, for instance when learning about art, as well as bringing a number of challenges. The purpose of this study is twofold: 1) identifying the relevant aspects of children's interactions with a large display based on a touchless avatar-based interface, and 2) understanding the impact on recalling the content that arises from the interaction. We engaged 107 children over a period of five days during a public event at the university premises. Collected data were analyzed, and the outcomes transformed into three lessons learnt for informing the future design.

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Section: Gestural Interfaces and The Use Of Avatarmentioning

confidence: 99%

“…for wheelchair users) or to avoid vandalism (e.g. by placing displays in unreachable places, still keeping their interactivity) [31]. However, one of the most common issues in this context is interaction blindness, i.e.…”

Section: Introductionmentioning

confidence: 99%

Child-display interaction

Rubegni

Gentile

Malizia

et al. 2019

Proceedings of the 8th ACM International Symposium on Pervasive Displays

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“…Some displays offer implicit interaction, such as reacting to the user's natural behavior when they approach the display. This is the case of deployments where display is made more noticeable by showing silhouettes or avatars that mimic users' movements [27,33,40].…”

Section: Interaction With Pervasive Displaysmentioning

confidence: 99%

“…The use of touchless gestural interfaces have been adopted in many contexts, both in research projects and in industrial applications. They have been used in order to interact with 3D virtual objects [4], access information provision systems [12,40], create and support playful interactions [33], and many others. In the context of pervasive displays research, touchless gestural interfaces offer many advantages.…”

Section: Interaction With Pervasive Displaysmentioning

confidence: 99%

“…In the context of pervasive displays research, touchless gestural interfaces offer many advantages. For instance, they allow limiting vandalism by placing the display in unreachable places [40], keeping a high hygiene level of the screen surface [24], and removing constraints to the display size (as demonstrated by many applications involving media façades [14]).…”

Section: Interaction With Pervasive Displaysmentioning

confidence: 99%

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Touch or touchless?

Gentile

Adjorlu

Serafin

et al. 2019

Proceedings of the 8th ACM International Symposium on Pervasive Displays

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Interactive public displays have been exploited and studied for engaging interaction in several previous studies. In this context, applications have been focused on supporting learning or entertainment activities, specifically designed for people with special needs. This includes, for example, those with Autism Spectrum Disorders (ASD). In this paper, we present a comparison study aimed at understanding the difference in terms of usability, effectiveness, and enjoyment perceived by users with ASD between two interaction modalities usually supported by interactive displays: touch-based and touchless gestural interaction. We present the outcomes of a within-subject setup involving 8 ASD users (age 18-25 y.o., IQ 40-60), based on the use of two similar user interfaces, differing only by the interaction modality. We show that touch interaction provides higher usability level and results in more effective actions, although touchless interaction is more effective in terms of enjoyment and engagement. CCS CONCEPTS • Human-centered computing → User studies; Usability testing; Interaction paradigms; Displays and imagers; Gestural input; Touch screens.

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