Ezcurdia Aguirre, Íñigo Fermín
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Ezcurdia Aguirre
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Íñigo Fermín
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Estadística, Informática y Matemáticas
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ISC. Institute of Smart Cities
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Publication Open Access PointerVol: a laser pointer for swept volumetric displays(Association for Computing Machinery, 2024-10-11) Fernández Ortega, Unai Javier; Sarasate Azcona, Iosune; Ezcurdia Aguirre, Íñigo Fermín; López-Amo Ocón, Manuel; Fernandez Fernandez, Ivan; Marzo Pérez, Asier; Estadística, Informática y Matemáticas; Estatistika, Informatika eta MatematikaA laser pointer is a commonly used device that does not require communication with the display system or modifications on the applications, the presenter can just take a pointer and start using it. When a laser pointer is used on a volumetric display, a line rather than a point appears, making it not suitable for pointing at 3D locations. PointerVol is a modified laser pointer that allows users to point to 3D positions inside a swept volumetric display. We propose two PointerVol implementations based on timing and distance measurements, we evaluate the pointing performance using them. Finally, we present other features such as multi-user pointing, line patterns and a multi-finger wearable. PointerVol is a simple device that can help to popularize volumetric displays, or at least to make them more usable for presentations with true-3D content.Publication Open Access Mid-air contactless haptics to augment VR experiences(Association for Computing Machinery, 2023) Ezcurdia Aguirre, Íñigo Fermín; Fernández Ortega, Unai Javier; Olaz Moratinos, Xabier; Marzo Pérez, Asier; Estadística, Informática y Matemáticas; Estatistika, Informatika eta Matematika; Institute of Smart Cities - ISCWe present four technologies to deliver contactless haptic stimuli for enriching Virtual Reality (VR) experiences. The technologies are electrostatic piloerection, focused light-induced heat, electric plasma, and ultrasound; the user does not require to wear or touch any device. We describe the working principle behind each technology and how these technologies can provide new exciting sensations in VR experiences. Additionally, we showcase a VR demo experience gathering all four remote haptic stimuli along a circuit for the users to experiment with these new sensations.Publication Open Access FlexiVol: a volumetric display with an elastic diffuser to enable reach-through interaction(Association for Computing Machinery, 2025-04-25) Bouzbib, Elodie Lyath; Sarasate Azcona, Iosune; Fernández Ortega, Unai Javier; Fernández, Suárez, Iván; López-Amo Ocón, Manuel; Ezcurdia Aguirre, Íñigo Fermín; Marzo Pérez, Asier; Estadística, Informática y Matemáticas; Estatistika, Informatika eta MatematikaVolumetric displays render true 3D graphics without forcing users to wear headsets or glasses. However, the optical diffusers that volumetric displays employ are rigid and thus do not allow for direct interaction. FlexiVol employs elastic diffusers to allow users to reach inside the display volume to have direct interaction with true 3D content. We explored various diffuser materials in terms of visual and mechanical properties. We correct the distortions of the volumetric graphics projected on elastic oscillating diffusers and propose a design space for FlexiVol, enabling various gestures and actions through direct interaction techniques. A user study suggests that selection, docking and tracing tasks can be performed faster and more precisely using direct interaction when compared to indirect interaction with a 3D mouse. Finally, applications such as a virtual pet or landscape edition highlight the advantages of a volumetric display that supports direct interaction.s).