A survey of challenges and methods for Quality of Experience assessment of interactive VR applications

Vlahović, Sara; Sužnjević, Mirko; Skorin‐Kapov, Lea

doi:10.1007/s12193-022-00388-0

Cited by 37 publications

(13 citation statements)

References 222 publications

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“…The high score in the Game Mechanics categories suggests that the participants found the exergame experience enjoyable, and perceived the graphics, sound, and overall technology to be of exceptionally high quality. Furthermore, the motion sickness index demonstrated that the exergame could be used without causing any adverse side effects [37] [47]. The satisfaction questionnaire revealed that participants were willing to embrace innovative approaches and viewed VR therapy as both useful and satisfying.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of custom-made VR exergame for at-home Stroke rehabilitation. A longitudinal single-arm study.

Castillo,

Vega,

Cardona

et al. 2024

Preprint

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Exercise games (Exergames) based on Virtual Reality (VR) have emerged as a promising option for supporting physical rehabilitation in stroke users. As a com- plementary therapy, they offer valuable benefits such as therapy engagement and enjoyment. In this study, we assessed the effectiveness of an immersive, custom- made VR exergame designed for upper limb rehabilitation in stroke participants aged 50 and above. We conducted 14 sessions of 15 minutes involving ten par- ticipants (6 females, ages 58.1 ± 7.5 years old) who volunteered to participate in an assisted at-home rehabilitation process. The study employed a range of evaluation tests to measure physical rehabilitation and game user experience out- comes. The tests included pre- and post-assessments of range of motion (ROM), the Ashworth spasticity test, and the Borg rating of perceived fatigue question- naire. To evaluate the game participant experience, we used the VR Neuroscience Questionnaire (VRNQ), and the Immersive Tendencies Questionnaire (ITQ). Our results revealed significant improvements in the range of motion for elbow and shoulder flexion, extension, adduction, and abduction. Furthermore, we observed a reduction in Ashworth spasticity, and the fatigue scale showed reduced per- ception comparing the last with the first session, although the difference was insignificant. The VRNQ questionnaire indicated significant enhancements in the domains related to ”Game Experience” and ”Game Mechanics” and an overall reduction of the perceived “Motion Sickness”. In the ITQ questionnaire, partic- ipants reported high levels of ”Attention,” and while there were no significant differences in ”Immersion” and ”Enjoyment,” a considerable improvement was observed in ”Excitement”. In summary, our results indicate that the immersive VR exergame improved the range of motion, spasticity, and overall game user experience among participants with stroke in a longitudinal, single-arm inter- vention. We conclude that using custom-made VR exergames is an effective and motivating tool for upper limb rehabilitation, with positive changes in both clin- ical and perception outcomes, and the positive and measurable effects persist after the first sessions. These findings support using VR exergames as a comple- mentary tool for at-home rehabilitation therapy with good ease of use, improved physical rehabilitation outcomes, and high treatment adherence.

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Section: Discussionmentioning

confidence: 99%

Evaluation of custom-made VR exergame for at-home Stroke rehabilitation. A longitudinal single-arm study.

Castillo,

Vega,

Cardona

et al. 2024

Preprint

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“…Several studies have been conducted to analyze the quality of experience (QoE) [ 108 ], which implies the detailed subjective experience of the effects observed during task completion with the use of a VR simulator. It has been found that the latency has a huge impact on the QoE from the subjective studies performed on a log-loading task [ 109 ] of a forestry crane with a VR simulator.…”

Section: Trade-offs Among Performance Parametersmentioning

confidence: 99%

Towards an Evolved Immersive Experience: Exploring 5G- and Beyond-Enabled Ultra-Low-Latency Communications for Augmented and Virtual Reality

Hazarika

Rahmati

2023

Sensors

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Augmented reality and virtual reality technologies are witnessing an evolutionary change in the 5G and Beyond (5GB) network due to their promising ability to enable an immersive and interactive environment by coupling the virtual world with the real one. However, the requirement of low-latency connectivity, which is defined as the end-to-end delay between the action and the reaction, is very crucial to leverage these technologies for a high-quality immersive experience. This paper provides a comprehensive survey and detailed insight into various advantageous approaches from the hardware and software perspectives, as well as the integration of 5G technology, towards 5GB, in enabling a low-latency environment for AR and VR applications. The contribution of 5GB systems as an outcome of several cutting-edge technologies, such as massive multiple-input, multiple-output (mMIMO) and millimeter wave (mmWave), along with the utilization of artificial intelligence (AI) and machine learning (ML) techniques towards an ultra-low-latency communication system, is also discussed in this paper. The potential of using a visible-light communications (VLC)-guided beam through a learning algorithm for a futuristic, evolved immersive experience of augmented and virtual reality with the ultra-low-latency transmission of multi-sensory tracking information with an optimal scheduling policy is discussed in this paper.

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“…Era baru dunia Virtual Reality (VR) dimulai dengan rancangan Oculus Rift pada tahun 2011. Seiring berjalannya tahun kemudian, Oculus Rift bargabung dengan VR serupa dan sistem yang paling terkenal adalah HTV Vive, Playstation VR, dan Valve Index [16], [17].…”

Section: Jiko (Jurnal Informatika Dan Komputer)unclassified

Analisis Cybersickness Pada Permainan Metaverse Gamelan Demung Virtual Reality

Irfan

Primasari

Sidhi

et al. 2023

JIKO

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Cybersickness sebagai penyakit dunia virtual masih terus berkelanjutan meskipun sudah terdapat kemajuan dalam pengembangan Head Mounted Display (HMDs) Virtual Reality (VR). Gejala cybersickness antara lain pusing, mual, muntah, dan keringat dingin layaknya mabuk perjalanan atau motion sickness. Terdapat beberapa teori mengenai gejala motion sickness seperti teori konflik sensor dan teori ketidakstabilan postural. Tujuan jurnal ini dibuat untuk mengoptimalkan cybersickness yang dirasakan pengguna. Perolehan data dilakukan menggunakan survey dari responden yang sudah memainkan permainan Metaverse Gamlean Demung Virtual Reality dan diolah menggunakan metode close-ended survey. Hasilnya menunjukan bahwa sebagian besar pengguna merasakan gejala motion sickness dikarenakan kecepatan rotasi putar player dan lama memainkan permainan Metaverse Gamelan Demung Virtual Reality. Sedangkan, untuk pernyataan lain yang diajukan dalam survey menunjukan sebagian besar player tidak merasakan gejala motion sickness. Berdasarkan dari data yang dianalisis, cybersickness yang dirasakan pengguna pada permainan Metaverse Gamelan Demung Virtual Reality disebabkan karena ketidakcocokan antara sinyal vestibular dan visual pengguna yang berasal dari kecepatan pergerakan dalam dunia virtual dan kecepatan pergerakan dalam dunia nyata.

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A survey of challenges and methods for Quality of Experience assessment of interactive VR applications

Cited by 37 publications

References 222 publications

Evaluation of custom-made VR exergame for at-home Stroke rehabilitation. A longitudinal single-arm study.

Evaluation of custom-made VR exergame for at-home Stroke rehabilitation. A longitudinal single-arm study.

Towards an Evolved Immersive Experience: Exploring 5G- and Beyond-Enabled Ultra-Low-Latency Communications for Augmented and Virtual Reality

Analisis Cybersickness Pada Permainan Metaverse Gamelan Demung Virtual Reality

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