Visual aids in 3D point selection experiments

Teather, Robert J.; Stuerzlinger, Wolfgang

doi:10.1145/2659766.2659770

Cited by 44 publications

(9 citation statements)

References 37 publications

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“…The first simply draws an otherwise normal screen-plane cursor in stereo using the disparity of the surface behind it [12]. The other (which we study) draws the cursor as a 3D object in the scene, and is hence subject to perspective transforms [16,18]. The cursor is drawn on the foremost visible surface along a ray from the eye position to the screen-plane cursor (which is not shown).…”

Section: Sliding Vs Screen-plane Cursorsmentioning

confidence: 99%

Factors Affecting Mouse-Based 3D Selection in Desktop VR Systems

Teather

Stuerzlinger

2015

Proceedings of the 3rd ACM Symposium on Spatial User Interaction

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We present two experiments on mouse-based point selection in a desktop virtual reality system using stereo display and headtracking. To address potential issues of using a mouse cursor with stereo display, we also evaluate the impact of using a one-eyed (mono) cursor. While a one-eyed cursor visualization eliminates depth conflicts, recent work suggests it offers worse performance than stereo cursors, possibly due to eye discomfort. Our results indicate that presenting the cursor in stereo significantly reduces performance for targets at different depths. The one-eyed cursor eliminates this effect, offering better performance than both screen-plane and geometry-sliding cursors visualized in stereo. However, it also performed slightly worse than stereo cursors in situations without depth conflicts. Our study suggests that this difference is not due exclusively to the relative transparency of such a cursor, hence eye fatigue or similar may be responsible.

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Section: Sliding Vs Screen-plane Cursorsmentioning

confidence: 99%

Factors Affecting Mouse-Based 3D Selection in Desktop VR Systems

Teather

Stuerzlinger

2015

Proceedings of the 3rd ACM Symposium on Spatial User Interaction

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“…3D user interface research has studied various factors that affect performance [18,23]. Here, we review several factors relevant to our context, such as occlusion, the "fat finger" problem, and stereo viewing.…”

Section: Issues With 3d Selectionmentioning

confidence: 99%

“…Thus, another means of feedback is required. Recent work [23] used target highlighting to address this issue. Haptic feedback is a viable alternative, which can complement or even replace visual cues.…”

Section: Work-in-progressmentioning

confidence: 99%

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3D Virtual Hand Selection with EMS and Vibration Feedback

Pfeiffer¹,

Stuerzlinger

2015

Proceedings of the 33rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems

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Selection is one of the most basic interaction methods in 3D user interfaces. Previous work has shown that visual feedback improves such actions. However, haptic feedback can increase the realism or also help for occluded targets. Here we investigate if 3D virtual hand selection benefits from electrical muscle stimulation (EMS) and vibration. In our experiment we used a 3D version of a Fitts' task to compare visual, EMS, vibration, and no feedback. The results demonstrate that both EMS and vibration are reasonable alternatives to visual feedback. We also found good user acceptance for both technologies.

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“…While immersive, 6 degree of freedom (6DOF) devices employing typical virtual hand or ray-based selection techniques can be problematic. Depth perception is imprecise leading to inaccuracy with selection methods that require accuracy in depth [7,45], and latency (input lag) and jitter (input noise) remain problems, especially with ray-based techniques [41]. LaViola et al recommend minimizing the number of DOFs when considering the design of a selection device or technique [20].…”

Section: Chapter: Introductionmentioning

confidence: 99%

2D Selection in Virtual Reality with Head Mounted Displays

Ramcharitar¹

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We present an evaluation of a new selection technique for virtual reality (VR) systems presented on head-mounted displays. The technique, dubbed EZCursorVR, presents a 2D cursor that moves in a head-fixed plane, simulating a 2D desktop-like cursor for VR. The cursor can be controlled by any 2 degree of freedom (DOF) and 3/6DOF input device. We conducted two experiments based on ISO 9241-9. In the first study, we compared the effectiveness of EZCursorVR using six different controllers. Results indicate that the mouse offered the best performance, while the position-control joystick performed the worst. In the second study we evaluate EZCursorVR using three different transfer functions using the mouse with different degrees of cursor acceleration. Results indicate that, despite previous research, constant acceleration performed better than the other two transfer functions. We believe that future evaluation needs to be conducted to evaluate different acceleration curve steepnesses using the same transfer function.iii Acknowledgements First and foremost, I would like to thank my thesis supervisor, Dr. Robert Teather for his continuous guidance and support throughout my time as a graduate student. I am grateful to him for not only teaching me how to be a better researcher, but also for pushing me to publish my work in academic conferences. His perseverance in ensuring that my research wasn't just confined to Carleton University, led to several publications and gave me the opportunity to present my work internationally in Denver, CO and Brighton, UK.

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Visual aids in 3D point selection experiments

Cited by 44 publications

References 37 publications

Factors Affecting Mouse-Based 3D Selection in Desktop VR Systems

Factors Affecting Mouse-Based 3D Selection in Desktop VR Systems

3D Virtual Hand Selection with EMS and Vibration Feedback

2D Selection in Virtual Reality with Head Mounted Displays

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