Browsing by Author "Beacco Porres, Alejandro"
Now showing items 1-20 of 24
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3D objects reconstruction from frontal images: an example with guitars
(Springer, 2022-09-15)
Article
Open AccessThis work deals with the automatic 3D reconstruction of objects from frontal RGB images. This aims at a better understanding of the reconstruction of 3D objects from RGB images and their use in immersive virtual environments. ... -
A framework for rendering, simulation and animation of crowds
(2009)
Conference report
Restricted access - publisher's policyReal-time crowd simulation for virtual environment applications requires not only navigation and locomotion in large environments while avoiding obstacles and agents, but also rendering high quality 3D fully articulated ... -
A separate reality : An update on place Illusion and plausibility in virtual reality
(2022-06-27)
Article
Open AccessWe review the concept of presence in virtual reality, normally thought of as the sense of “being there” in the virtual world. We argued in a 2009 paper that presence consists of two orthogonal illusions that we refer to ... -
A survey of real-time crowd rendering
(2016-12)
Article
Open AccessIn this survey we review, classify and compare existing approaches for real-time crowd rendering. We first overview character animation techniques, as they are highly tied to crowd rendering performance, and then we analyze ... -
An embodied perspective as a victim of sexual harassment in virtual reality reduces action conformity in a later Milgram obedience scenario
(Nature, 2020-04-10)
Article
Open AccessGroup pressure can often result in people carrying out harmful actions towards others that they would not normally carry out by themselves. However, few studies have manipulated factors that might overcome this. Here male ... -
Automatic 3D character reconstruction from frontal and lateral monocular 2D RGB views
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference report
Open AccessWe present an automatic animatable 3D character reconstruction method from frontal and lateral RGB pictures of the person to reconstruct. We propose a method where, after obtaining a 3D reconstruction from a frontal view, ... -
Avatar locomotion in crowd simulation
(2011-03)
Article
Restricted access - publisher's policyThis paper presents an Animation Planning Mediator (APM) designed to synthesize animations efficiently for virtual characters in real time crowd simulation. From a set of animation clips, the APM selects the most appropriate ... -
CAVAST: The crowd animation, visualization, and simulation testbed
(European Association for Computer Graphics (Eurographics), 2014)
Conference report
Restricted access - publisher's policySimulation, animation and rendering of crowds has become an important part of real-time applications such as videogames. Virtual environments achieve higher realism when being populated by virtual crowds as opposed to ... -
Disturbance and plausibility in a virtual rock concert: a pilot study
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessWe present methods used to produce and study a first version of an attempt to reconstruct a 1983 live rock concert in virtual reality. An approximately 10 minute performance by the rock band Dire Straits was rendered in ... -
Efficient elimination of foot sliding for crowds
(2010)
Conference lecture
Restricted access - publisher's policyThis 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
(2012-02)
Article
Restricted access - publisher's policyIn 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
(Royal Society, 2021-09-15)
Article
Open AccessVirtual 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
(European Association for Computer Graphics (Eurographics), 2015)
Conference lecture
Restricted access - publisher's policyPer-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
(2015-04-01)
Article
Open AccessThis 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
(CRC Press, 2016-09-27)
Part of book or chapter of book
Restricted access - publisher's policyReal-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
(2009)
Conference report
Open AccessLa 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
(2013)
Conference lecture
Restricted access - publisher's policyThis 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
(Universitat Politècnica de Catalunya, 2010-06)
Master thesis
Open AccessHigh-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 ... -
Output-sensitive rendering of detailed animated characters for crowd simulation
(2010)
Conference report
Restricted access - publisher's policyRendering 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 ... -
QuickVR: A standard library for virtual embodiment in unity
(2022-09-15)
Article
Open AccessIn 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 ...
