Exploration of Techniques for Rapid Activation of Glanceable Information in Head-Worn Augmented Reality

Lu, Feiyu; Davari, Shakiba; Bowman, Doug A.

doi:10.1145/3485279.3485286

Cited by 19 publications

(13 citation statements)

References 31 publications

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“…Our pilot results show that these types of head motions are not suitable for text selection in VR because these types of motions are not precise enough when dealing with text content and, more importantly, participants dislike them as they found them tiring and uncomfortable to perform. Similar to findings from [28], participants found the motions not so acceptable to perform in public. Therefore, we did not include this in our experiment.…”

Section: Forward/backward Neck Motionssupporting

confidence: 57%

“…The most commonly used hands-free selection method is the dwell technique [21]. It was originally developed to avoid the effects of eye-tracking jitters for eye gaze interaction and has also been widely tested in various 3D interaction tasks, e.g., text entry [30,44,47], rapid activation [28], and system control [50].…”

Section: Dwellmentioning

confidence: 99%

“…Eye blinking has been explored and used frequently in assistive technologies [5,13] and has been lately incorporated into HMDs for text entry [30] and rapid activation of glanceable information [28]. Lu et al [30] found that using eye blinks (of both eyes) outperforms Dwell in text entry tasks in VR regarding performance and experience, while Lu et al [28] suggested that blinking is preferred by users when accessing information in the real world in AR.…”

Section: Eye Blinksmentioning

confidence: 99%

“…Although eye blinks (Blinking for short) is a promising selection mechanism, it requires add-on or built-in eye trackers for HMDs, which could be an issue with earlier generations of HMDs. However, manufacturers are now integrating the eye-trackers with their HMDs (e.g., HTC VIVE Pro Eye, Pico Neo 2 Eye, FOVE, HoloLens 2, Magic Leap 1, and LooxidVR), and there is now increasing interest in using eye data for interactive operations, for example, Blinking for confirming a selection [28,30]. Eye-tracking capabilities will likely be standard in future HMDs and, as such, Blinking is important to consider now.…”

Section: Eye Blinksmentioning

confidence: 99%

“…An efficient and usable hands-free interaction method would be the most convenient and practical solution in scenarios where hands-based interaction is impractical. There have been some attempts to explore hands-free interaction for HMDs for text entry [30], system control [50], and rapid activation of glanceable objects [28]. However, there is very limited attention to text selection tasks for VR HMDs.…”

Section: Introductionmentioning

confidence: 99%

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An Exploration of Hands-free Text Selection for Virtual Reality Head-Mounted Displays

Meng

Liang

2022

2022 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

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Hand-based interaction, such as using a handheld controller or making hand gestures, has been widely adopted as the primary method for interacting with both virtual reality (VR) and augmented reality (AR) head-mounted displays (HMDs). In contrast, hands-free interaction avoids the need for users' hands and although it can afford additional benefits, there has been limited research in exploring and evaluating hands-free techniques for these HMDs. As VR HMDs become ubiquitous, people will need to do text editing, which requires selecting text segments. Similar to hands-free interaction, text selection is underexplored. This research focuses on both, text selection via hands-free interaction. Our exploration involves a user study with 24 participants to investigate the performance, user experience, and workload of three hands-free selection mechanisms (Dwell, Blink, Voice) to complement head-based pointing. Results indicate that Blink outperforms Dwell and Voice in completion time and accuracy.Users' subjective feedback also shows that Blink is the preferred technique for text selection. This work is the first to explore hands-free interaction for text selection in VR HMDs and our results provide a solid platform for further research in this important area.

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Section: Forward/backward Neck Motionssupporting

confidence: 57%

Section: Dwellmentioning

confidence: 99%

Section: Eye Blinksmentioning

confidence: 99%

Section: Eye Blinksmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

An Exploration of Hands-free Text Selection for Virtual Reality Head-Mounted Displays

Meng

Liang

2022

2022 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

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Characterizing information access needs in gaze-adaptive augmented reality interfaces: implications for fast-paced and dynamic usage contexts

Gardony,

Okano,

Hughes

et al. 2023

Human–Computer Interaction

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GazeHand: A Gaze-Driven Virtual Hand Interface

Jeong,

Kim,

Yang

et al. 2023

IEEE Access

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In this paper, we present a novel interface named GazeHand which is designed for distant object interaction in virtual reality. The GazeHand interface translates the virtual hands near to a distant object that the user is looking at and allows direct hand gesture interaction for manipulating an object. Either eyegaze or head-gaze can be applied to the GazeHand interface to decide the translated positions of the hands. In a user study, we compared these two variants of the GazeHand interface, i.e., Eye-GazeHand and Head-GazeHand, with a baseline condition of a modified Go-Go interface. The results showed that both GazeHand interfaces support the high-level usability of the direct hand operation for distant object interaction while providing the benefits of the gaze interaction: speed and reachability. The two variants of GazeHand interfaces showed better performance than the modified Go-Go interface and the effects were more prominent as the difficulty level of the task increased. The most preferred interface was the Head-GazeHand which took the benefit of a stable head-gaze, while the Eye-GazeHand was less stable using eye-gaze. Meanwhile, the Eye-GazeHand interface showed its advantage over the Head-GazeHand when the task required much gaze movement as it used faster eye-gaze without requiring head movement.INDEX TERMS Distant object interaction, pivot point, virtual hand, virtual reality.

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Exploration of Techniques for Rapid Activation of Glanceable Information in Head-Worn Augmented Reality

Cited by 19 publications

References 31 publications

An Exploration of Hands-free Text Selection for Virtual Reality Head-Mounted Displays

An Exploration of Hands-free Text Selection for Virtual Reality Head-Mounted Displays

Characterizing information access needs in gaze-adaptive augmented reality interfaces: implications for fast-paced and dynamic usage contexts

GazeHand: A Gaze-Driven Virtual Hand Interface

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