Automatic speed and direction control along constrained navigation paths

Mirhosseini, Seyedkoosha; Gutenko, Ievgeniia; Ojal, Sushant; Marino, Joseph; Kaufman, Arie

doi:10.1109/vr.2017.7892228

Cited by 12 publications

(4 citation statements)

References 27 publications

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“…As discussed by Kramida (2016), the vergence-accommodation conflict could be an explanation for this difference. These results suggest that immersive VR applications such as virtual roller coasters (Nesbitt et al 2017;Nalivaiko et al 2015;Sra et al 2019;Gavgani et al 2017;Jin et al 2018;Onuki et al 2017), car simulations (Walch et al 2017;Weidner et al 2017;Rietzler et al 2018;Oishi et al 2016), bike driving simulators (Tran et al 2018;Mittelstädt et al 2019), flight simulations (Garcia-Agundez et al 2019a;Mirhosseini et al 2017) and wheelchair simulators (John et al 2018;Chowdhury et al 2017b) cause higher SSQ scores due to sensory mismatch and, in particular, due to perceived self-motion while remaining stationary. Some studies suggest that air cushions (Onuki et al 2017) or vibrokinetic seats (Gardé et al 2018) can mitigate CS symptoms while driving.…”

Section: Perceived Motion In Vr Simulatorsmentioning

confidence: 92%

Cybersickness in current-generation virtual reality head-mounted displays: systematic review and outlook

et al. 2021

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Cybersickness (CS) is a term used to refer to symptoms, such as nausea, headache, and dizziness that users experience during or after virtual reality immersion. Initially discovered in flight simulators, commercial virtual reality (VR) head-mounted displays (HMD) of the current generation also seem to cause CS, albeit in a different manner and severity. The goal of this work is to summarize recent literature on CS with modern HMDs, to determine the specificities and profile of immersive VR-caused CS, and to provide an outlook for future research areas. A systematic review was performed on the databases IEEE Xplore, PubMed, ACM, and Scopus from 2013 to 2019 and 49 publications were selected. A summarized text states how different VR HMDs impact CS, how the nature of movement in VR HMDs contributes to CS, and how we can use biosensors to detect CS. The results of the meta-analysis show that although current-generation VR HMDs cause significantly less CS ($$p<0.001$$ p < 0.001 ), some symptoms remain as intense. Further results show that the nature of movement and, in particular, sensory mismatch as well as perceived motion have been the leading cause of CS. We suggest an outlook on future research, including the use of galvanic skin response to evaluate CS in combination with the golden standard (Simulator Sickness Questionnaire, SSQ) as well as an update on the subjective evaluation scores of the SSQ.

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Section: Perceived Motion In Vr Simulatorsmentioning

confidence: 92%

Cybersickness in current-generation virtual reality head-mounted displays: systematic review and outlook

et al. 2021

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“…Besides of free flight control, Balakrishnan et al [9] and Burtnyk et al [10] let the operator interactively steer a camera along a purely virtual, predefined path, whereas they also aim to combine the collision free motion with more simple, intuitive interactions. Moreover, Mirhosseini et al [3], also suggest navigation along a constrained path. While they discuss an intuitive method for adaptive speed and direction control, however, their path is also predefined in a static scene and lets operators move in egocentric views only.…”

Section: Related Workmentioning

confidence: 99%

“…As a result, lack of SA and the danger of navigating hazardous areas can be significantly decreased. Other approaches limit the motion of the remote operator by spatially constraining the motion trajectory and reducing the interactions to a minimum at the same time [3]. The overall goal is to avoid navigating impassable areas of the scene and to make the navigation more efficient.…”

Section: Introductionmentioning

confidence: 99%

Force Field-Based Indirect Manipulation Of UAV Flight Trajectories

Isop

Fraundorfer

2019

2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

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For a variety of applications remote navigation of an unmanned aerial vehicle (UAV) along a flight trajectory is an essential task. For instance, during search and rescue missions in outdoor scenes, an important goal is to ensure safe navigation. Assessed by the remote operator, this could mean avoiding collisions with obstacles, but moreover avoiding hazardous flight areas. State of the art approaches enable navigation along trajectories, but do not allow for indirect manipulation during motion. In addition, they suggest to use egocentric views which could limit understanding of the remote scene. With this work we introduce a novel indirect manipulation method, based on gravitational law, to recover safe navigation in the presence of hazardous flight areas. The indirect character of our method supports manipulation at far distances where common direct manipulation methods typically fail. We combine it with an immersive exocentric view to improve understanding of the scene. We designed three flavors of our method and compared them during a user study in a simulated scene. While with this method we present a first step towards a more extensive navigation interface, as future work we plan experiments in dynamic real-world scenes.

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“…Another challenge of IVC navigation is to provide smooth and accurate travel to reduce cybersickness. To do so, several speed control techniques have been proposed, including fixed, adaptive, and path-based methods [25].…”

Section: Navigationmentioning

confidence: 99%

Immersive Virtual Colonography Viewer for Colon Growths Diagnosis: Design and Think-Aloud Study

Serras,

Duchowski,

Nobre

et al. 2024

MTI

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Desktop-based virtual colonoscopy is a proven and accurate process for identifying colon abnormalities. However, it is time-consuming. Faster, immersive interfaces for virtual colonoscopy are still incipient and need to be better understood. This article introduces a novel design that leverages VR paradigm components to enhance the efficiency and effectiveness of immersive analysis. Our approach contributes a novel tool highlighting unseen areas within the colon via eye-tracking, a flexible navigation approach, and a distinct interface for displaying scans blended with the reconstructed colon surface. The path to evaluating and validating such a tool for clinical settings is arduous. This article contributes a formative evaluation using think-aloud sessions with radiology experts and students. Questions related to colon coverage, diagnostic accuracy, and time to complete are analyzed with different user profiles. Although not aimed at quantitatively measuring performance, the experiment provides lessons learned to guide other researchers in the field.

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Automatic speed and direction control along constrained navigation paths

Cited by 12 publications

References 27 publications

Cybersickness in current-generation virtual reality head-mounted displays: systematic review and outlook

Cybersickness in current-generation virtual reality head-mounted displays: systematic review and outlook

Force Field-Based Indirect Manipulation Of UAV Flight Trajectories

Immersive Virtual Colonography Viewer for Colon Growths Diagnosis: Design and Think-Aloud Study

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