Pointable

Banerjee, Amartya; Burstyn, Jesse; Girouard, Audrey; Vertegaal, Roel

doi:10.1145/2076354.2076357

Cited by 47 publications

(9 citation statements)

References 33 publications

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“…The various camera angles helped to annotate properly the gesture performance, since in some angles, due to the users' body position and occlusions by other participants, the hand gesture was not clearly visible. As mentioned before, mid-air pointing gestures have been explored mostly on tabletops (e.g., [33][34][35][36]). Based both on the literature and analysis of the video footage obtained, we developed our own gesture taxonomy.…”

Section: Data Collection and Analysismentioning

confidence: 99%

Establishing Awareness through Pointing Gestures during Collaborative Decision-Making in a Wall-Display Environment

Maquil

Anastasiou

Afkari

et al. 2023

Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems

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Sharing a physical environment, such as that of a wall-display, facilitates gaining awareness of others' actions and intentions, thereby bringing benefits for collaboration. Previous studies have provided first insights on awareness in the context of tabletops or smaller vertical displays. This paper seeks to advance the current understanding on how users share awareness information in wall-display environments and focusses on mid-air pointing gestures as a foundational part of communication. We present a scenario dealing with the organization of medical supply chains in crisis situations, and report on the results of a user study with 24 users, split into 6 groups of 4, performing several tasks. We investigate pointing gestures and identify three subtypes used as awareness cues during face-to-face collaboration: narrative pointing, loose pointing, and sharp pointing. Our observations show that reliance on gesture subtypes varies across participants and groups, and that sometimes vague pointing is sufficient to support verbal negotiations.

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Section: Data Collection and Analysismentioning

confidence: 99%

Establishing Awareness through Pointing Gestures during Collaborative Decision-Making in a Wall-Display Environment

Maquil

Anastasiou

Afkari

et al. 2023

Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems

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“…Participants preferred touch to interact with small objects, but tended to choose mid-air input over touch for largescale manipulations or when they needed a large viewing angle. Like the Pointable technique [4] for tabletops or the MirrorTouch public display [47], the wall display in Jakobsen et al's studies does not integrate touch and mid-air input. Users can rely on either touch or mid-air, but they cannot, for instance, initiate a movement with a sliding gesture on the surface and continue with that same movement in the air like the Talaria technique does [54].…”

Section: Combining Surface and Mid-air Controlmentioning

confidence: 99%

“…In particular, as the design space of hand movements is unstructured yet constrained and user-dependent, designing bare-hand input that is steady, accurately recognized and that does not collide with regular hand movements is very difficult. Even an action as simple as clicking is challenging to design and implement [4,65]. As a result, interaction with wall displays often involves a handheld device that serves as a remote controller (e.g.…”

Section: Introductionmentioning

confidence: 99%

SurfAirs: Surface + Mid-air Input for Large Vertical Displays

Courtoux

Appert

Chapuis

2023

Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems

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Mid-air Continuous Control 3) Mid-air ControlFigure 1: Interacting with a SurfAir to drag an object across the wall. 1) The user on the left adjusts the zoom factor in the inset window by rotating the SurfAir on the surface. 2) He then initiates a drag-and-drop action to move that window by sliding the SurfAir on the surface. In order to get a wide viewing angle on the scene and to cover a large distance quickly, he steps backward. Since the SurfAir can transition from surface control to air control, the user can move freely in space while carrying on his drag-and-drop action. 3) He drops the window close to the other user without having to enter her personal physical space.

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“…This model has since been proven and exploited by many other works. For example, zoom and pan interaction (i.e., the dominant hand points to a spatial reference while the non-dominant hand controls the zoom action) [19,23], rotation and scaling interaction (uses similar method as zoom) [4], and game interaction (shooting while using first-aid kit) [30] or 3D virtual objects manipulation [24] have been explored.…”

Section: Two-handed Interactionmentioning

confidence: 99%

On Gesture Combination

Delamare

Silpasuwanchai

Sarcar

et al. 2019

Proceedings of the 2019 ACM International Conference on Interactive Surfaces and Spaces

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Current gesture interaction paradigm mainly involves a one-toone gesture-command mapping. This leads to memorability issues regarding (1) the mapping-as each new command requires a new gesture, and (2) the gestures specifics (e.g., motion paths)-that can be complex to leverage the recognition of several gestures. We explore the concept of combining 3D gestures when interacting in smart environments. We first propose a design space to characterize the temporal and spatial combination aspects, and the gesture types used by the combination. We then report results from three user studies in the context of smart TV interaction. The first study reveals that end-users can create gesture sets with combinations fully optimized to reuse gestures. The second study shows that combining gestures can lead to improved memorability compared to single gestures. The third study reveals that preferences for gestures combination appear when single gestures have an abstract gesture-command mapping.

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Pointable

Cited by 47 publications

References 33 publications

Establishing Awareness through Pointing Gestures during Collaborative Decision-Making in a Wall-Display Environment

Establishing Awareness through Pointing Gestures during Collaborative Decision-Making in a Wall-Display Environment

SurfAirs: Surface + Mid-air Input for Large Vertical Displays

On Gesture Combination

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