Ara es mostren els items 12-28 de 28

    • Effective user studies in computer graphics 

      Malpica Mallo, Sandra; Sun, Qi; Kellnhofer, Petr; Beacco Porres, Alejandro; Senel, Gizem; McDonnell, Rachel; Flores Vargas, Mauricio (European Association for Computer Graphics (Eurographics), 2023)
      Comunicació de congrés
      Accés obert
      User studies are a useful tool for researchers, allowing them to collect data on how users perceive, interact with and process different types of sensory information. If planned in advance, user experiments can be leveraged ...
    • Efficient elimination of foot sliding for crowds 

      Spanlang, Bernhard; Pelechano Gómez, Núria; Beacco Porres, Alejandro (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This poster presents an efficient Animation Planning Mediator (APM) designed to animate virtual characters in real time for crowd simulation. The APM selects the most appropriate animation clip available for each character ...
    • Efficient rendering of animated characters through optimized per-joint impostors 

      Beacco Porres, Alejandro; Andújar Gran, Carlos Antonio; Pelechano Gómez, Núria; Spanlang, Bernhard (2012-02)
      Article
      Accés restringit per política de l'editorial
      In this paper, we present a new impostor-based representation for 3D animated characters supporting real-time rendering of thousands of agents. We maximize rendering performance by using a collection of pre-computed ...
    • Evaluating participant responses to a virtual reality experience using reinforcement learning 

      Llobera Mahy, Joan; Beacco Porres, Alejandro; Oliva Martínez, Ramon; Senel, Gizem; Banakou, Domna; Slater, Mel (Royal Society, 2021-09-15)
      Article
      Accés obert
      Virtual reality applications depend on multiple factors, for example, quality of rendering, responsiveness, and interfaces. In order to evaluate the relative contributions of different factors to quality of experience, ...
    • Exploiting the potential of image based crowd rendering 

      Izquierdo, Maria; Beacco Porres, Alejandro; Pelechano Gómez, Núria; Andújar Gran, Carlos Antonio (European Association for Computer Graphics (Eurographics), 2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Per-joint impostors have been used to achieve high performance when rendering thousands of agents, while still allowing us to blend animation. This provides interactively animated crowds and reduces the memory footprint ...
    • Footstep parameterized motion blending using barycentric coordinates 

      Beacco Porres, Alejandro; Pelechano Gómez, Núria; Kapadia, Mubbasir; Badler, Norman (2015-04-01)
      Article
      Accés obert
      This paper presents a real-time animation system for fully embodied virtual humans that satisfies accurate foot placement constraints for different human walking and running styles. Our method offers a fine balance between ...
    • Impostor-based crowd rendering 

      Beacco Porres, Alejandro; Pelechano Gómez, Núria; Andújar Gran, Carlos Antonio (CRC Press, 2016-09-27)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Real-time rendering of detailed animated characters in crowd simulations is still a challenging problem in computer graphics. State-of-the-art approaches can render up to several thousand agents by consuming most of the ...
    • La realidad virtual en el aprendizaje de historia mediante la interacción con humanoides virtuales 

      Muñoz, Albert; Besora Vilardaga, Isaac; Creus López, Carles; Pelechano Gómez, Núria; Brunet Crosa, Pere; Beacco Porres, Alejandro (2009)
      Text en actes de congrés
      Accés obert
      La realidad virtual ofrece la posibilidad de interactuar de manera inmersiva en mundos virtuales 3D. Estos mundos virtuales pueden ser representaciones de otros momentos históricos que permiten al usuario explorar los ...
    • Multi-domain real-time planning in dynamic environments 

      Kapadia, Mubbasir; Beacco Porres, Alejandro; Garcia, Francisco; Reddy, Vivek; Pelechano Gómez, Núria; Badler, Norman I. (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents a real-time planning framework for multi-character navigation that enables the use of multiple heterogeneous problem domains of differing complexities for navigation in large, complex, dynamic virtual ...
    • Output-sensitive rendering of detailed animated characters for crowd simulation 

      Spanlang, Bernhard; Andújar Gran, Carlos Antonio; Pelechano Gómez, Núria; Beacco Porres, Alejandro (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Rendering detailed animated characters is a major limiting factor in crowd simulation. In this paper we present a new representation for 3D animated characters which supports output-sensitive rendering. Each character is ...
    • Output-Sensitive Rendering of Detailed Animated Characters for Crowd Simulation 

      Beacco Porres, Alejandro (Universitat Politècnica de Catalunya, 2010-06)
      Projecte Final de Màster Oficial
      Accés obert
      High-quality, detailed animated characters are often represented as textured polygonal meshes. The problem with this technique is the high cost that involves rendering and animating each one of these characters. This problem ...
    • QuickVR: A standard library for virtual embodiment in unity 

      Oliva Martínez, Ramon; Beacco Porres, Alejandro; Slater, Mel (2022-09-15)
      Article
      Accés obert
      In the last few years the field of Virtual Reality (VR) has experienced significant growth through the introduction of low-cost VR devices to the mass market. However, VR has been used for many years by researchers since ...
    • Self-observation of a virtual body-double engaged in social interaction reduces persecutory thoughts 

      Gorisse, Geoffrey; Senel, Gizem; Banakou, Domna; Beacco Porres, Alejandro; Oliva Martínez, Ramon; Freeman, Daniel; Slater, Mel (Nature, 2021-12-14)
      Article
      Accés obert
      The proportion of the population who experience persecutory thoughts is 10–15%. People then engage in safety-seeking behaviours, typically avoiding social interactions, which prevents disconfirmatory experiences and hence ...
    • Simulation, animation and rendering of crowds in real-time 

      Beacco Porres, Alejandro (Universitat Politècnica de Catalunya, 2014-12-11)
      Tesi
      Accés obert
      Nowadays crowd simulation is becoming more important in computer applications such as building evacuation planning, training, videogames, etc., presenting hundreds or thousands of agents navigating in virtual environments. ...
    • The making of a newspaper interview in virtual reality: realistic avatars, philosophy, and sushi 

      Oliva Martínez, Ramon; Beacco Porres, Alejandro; Gallego Vila, Jaime; Gallego Abellan, Raul; Slater, Mel (2023-11)
      Article
      Accés obert
      VR United is a virtual reality application that we have developed to support multiple people simultaneously interacting in the same environment. Each person is represented with a virtual body that looks like themselves. ...
    • The sentiment of a virtual rock concert 

      Slater, Mel; Cabriera, Carlos; Senel, Gizem; Banakou, Domna; Beacco Porres, Alejandro; Oliva Martínez, Ramon; Gallego Vila, Jaime (2022-08-23)
      Article
      Accés obert
      We created a virtual reality version of a 1983 performance by Dire Straits, this being a highly complex scenario consisting of both the virtual band performance and the appearance and behaviour of the virtual audience ...
    • Virtual body ownership and its consequences for implicit racial bias are dependent on social context 

      Banakou, Domna; Beacco Porres, Alejandro; Neyret, Solène; Blasco Oliver, Marta; Seinfeld Tarafa, Sofia; Slater, Mel (Royal Society, 2020-12-09)
      Article
      Accés obert
      When people hold implicit biases against a group they typically engage in discriminatory behaviour against group members. In the context of the implicit racial bias of ‘White' against ‘Black' people, it has been shown ...