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Tabone, W. (author)This thesis explores how automated vehicles will interact with pedestrians in the urban environment through augmented reality technology. Nine distinct AR interfaces were designed, developed, and evaluated to assess how different design elements (symbols, text, colour) and distinct mappings of the AR (on the road, on the vehicle, or head-locked)...doctoral thesis 2024
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Ratschat, A.L. (author), van Rooij, B.M. (author), Luijten, Johannes (author), Marchal Crespo, L. (author)In current virtual reality settings for motor skill training, only visual information is usually provided regarding the virtual objects the trainee interacts with. However, information gathered through cutaneous (tactile feedback) and muscle mechanoreceptors (kinesthetic feedback) regarding, e.g., object shape, is crucial to successfully...journal article 2024
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Aleva, Thomas (author)Objective: The aim of this study was to investigate the effect of autonomous-vehicle-to-pedestrian (AV2P) communication through augmented reality (AR) interfaces on the road crossing behaviour of pedestrians, and research whether subjective results from a previous Cave Automatic Virtual Environment (CAVE) study replicated in a real world AR...master thesis 2023
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Slotboom, Riley (author)Simulating non-Euclidean geometry in virtual reality is of interest to a wide variety of fields of research. However it is still quite a challenge. Various methods are already known, but they vary greatly in performance and applicability. This paper compares some methods of rendering a non-Euclidean space. We focus on the order-5 square tiling...bachelor thesis 2023
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van den Berg, A. (author), de Vries, B. (author), Breedveld, Z.A. (author), van Mierlo, A.M.A. (author), Tijhuis, M.J. (author), Marchal Crespo, L. (author)Immersive Virtual Reality (IVR) has gained popularity in neurorehabilitation for its potential to increase patients’ motivation and engagement. A crucial yet relatively unexplored aspect of IVR interfaces is the patients’ representation in the virtual world, such as with an avatar. A higher level of embodiment over avatars has been shown to...journal article 2023
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Krajancich, Brooke (author), Kellnhofer, P. (author), Wetzstein, Gordon (author)Foveated graphics is a promising approach to solving the bandwidth challenges of immersive virtual and augmented reality displays by exploiting the falloff in spatial acuity in the periphery of the visual field. However, the perceptual models used in these applications neglect the effects of higherlevel cognitive processing, namely the...journal article 2023
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Rossi, Silvia (author), Viola, Irene (author), Toni, Laura (author), Cesar, Pablo (author)Immersive reality technologies, such as Virtual and Augmented Reality, have ushered a new era of user-centric systems, in which every aspect of the coding-delivery-rendering chain is tailored to the interaction of the users. Understanding the actual interactivity and behaviour of the users is still an open challenge and a key step to enabling...conference paper 2023
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Raja, A. (author), Schneegass, C. (author), Niforatos, E. (author)Virtual Reality (VR) technology provides the elderly, and people with dementia, the opportunity to reminisce by exploring places outside their (care) home, free from age-related (physical) restrictions. However, the elderly are particularly vulnerable to overstimulation. Irresponsible VR design can cause stress and anxiety, potentially even...conference paper 2023
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El Ali, Abdallah (author), Ney, R. (author), Van Berlo, Zeph M.C. (author), Cesar, Pablo (author)Measuring interoception ('perceiving internal bodily states') has diagnostic and wellbeing implications. Since heartbeats are distinct and frequent, various methods aim at measuring cardiac interoceptive accuracy (CIAcc). However, the role of exteroceptive modalities for representing heart rate (HR) across screen-based and Virtual Reality (VR...journal article 2023
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van Wegen, M. (author), Herder, J.L. (author), Adelsberger, Rolf (author), Pastore-Wapp, Manuela (author), Van Wegen, Erwin E H (author), Bohlhalter, Stephan (author), Nef, Tobias (author), Krack, Paul (author), Vanbellingen, Tim (author)We often interact with our environment through manual handling of objects and exploration of their properties. Object properties (OP), such as texture, stiffness, size, shape, temperature, weight, and orientation provide necessary information to successfully perform interactions. The human haptic perception system plays a key role in this. As...review 2023
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Novoa Munoz, Mauricio (author), Howell, Bryan F. (author), Hoftijzer, J.W. (author), Rodríguez Díaz, José Manuel (author), Zhang, Wendy (author), Kramer, Nikolaj (author)Digital technologies have enabled design sketching to expand into new applications and domains. Inevitably, these new forms of visualisation require re-evaluating how we use drawing to see, visualise, understand, and fabricate products and services in design education and the profession. This paper presents a selection of discoveries after...conference paper 2022
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Rossi, Silvia (author), Viola, Irene (author), Cesar, Pablo (author)This work presents an explorative behavioural analysis of users navigating in an immersive space aimed at enabling the next-generation multimedia systems. Our main goal is to understand how the user experience of immersive content with 6-Degrees-of-Freedom (DoF) is affected not only by the visual content and its quality but also by the...conference paper 2022
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Subramanyam, S. (author), Viola, Irene (author), Jansen, Jack (author), Alexiou, Evangelos (author), Hanjalic, A. (author), Cesar, Pablo (author)Technological advances in head-mounted displays and novel real-time 3D acquisition and reconstruction solutions have fostered the development of 6 Degrees of Freedom (6DoF) teleimmersive systems for social VR applications. Point clouds have emerged as a popular format for such applications, owing to their simplicity and versatility; yet,...conference paper 2022
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Lee, Sueyoon (author), Striner, Alina (author), Cesar, Pablo (author)Several social VR platforms support virtual entertainment events, however their value for post-show activities remains unclear. Through a user-centered approach, we design a social VR lobby experience to enrich four motivations of theatre-goers: social, intellectual, emotional, and spiritual engagement. We ran a context-mapping focus group...conference paper 2022
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Wenk, Nicolas (author), Jordi, Mirjam V. (author), Buetler, Karin A. (author), Marchal Crespo, L. (author)Combining immersive virtual reality (VR) using head-mounted displays (HMDs) with assisting robotic devices might be a promising procedure to enhance neurorehabilitation. However, it is still an open question how immersive virtual environments (VE) should be designed when interacting with rehabilitation robots. In conventional training, the...journal article 2022
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Understanding and Designing Avatar Biosignal Visualizations for Social Virtual Reality EntertainmentLee, Sueyoon (author), El Ali, Abdallah (author), Wijntjes, M.W.A. (author), Cesar, Pablo (author)Visualizing biosignals can be important for social Virtual Reality (VR), where avatar non-verbal cues are missing. While several biosignal representations exist, designing effective visualizations and understanding user perceptions within social VR entertainment remains unclear. We adopt a mixed-methods approach to design biosignals for...conference paper 2022
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Aldea, Anna (author), Tinga, Angelica M. (author), van Zeumeren, I.M. (author), van Nes, C.N. (author), Aschenbrenner, D. (author)Higher levels of vehicle automation come with new challenges for designing safe systems. The Human Machine-Interface (HMI) plays a key role in mediating the interaction between the human driver and vehicle automation. By providing the driver with appropriate feedback, the HMI has the potential to increase mode awareness and situational...conference paper 2022
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Mok, Johnson (author)Problem statement. The introduction of automated vehicles (AVs) changes the role of the driver and may cause a lack of social interaction with pedestrians. This study proposes a concept where the AV is manoeuvre-based controlled via eye gaze, and the AV driver’s gaze is visualised for the driver and pedestrians. However, it was unknown if gaze...master thesis 2021
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loddo, M. (author), Boersma, Foekje (author), Kleppe, Martijn (author), Vingerhoets, Karin (author)In the late 1990s, the explosion of electronic resources resulted in large-scale digitisation projects amid the need for the preservation of digital information. The KB, National Library of the Netherlands, has been actively involved in these activities. Now, it is proposing better ways to both preserve physical library materials and improve...journal article 2021
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Torkashvanda, G. (author), Li, M. (author), Vink, P. (author)BACKGROUND: The Human-Centered Design methodology advocates VR prototyping, as an effective tool to evaluate concepts in a cost-efficient, time-saving way. It is the question of whether it works in the development of a product intended to increase privacy while flying. OBJECTIVE: The current study aims at the application of virtual reality on...journal article 2021