Search results for "virtue"
showing 10 items of 308 documents
A predictive approach for a real-time remote visualization of large meshes
2012
Déjà sur HAL; Remote access to large meshes is the subject of studies since several years. We propose in this paper a contribution to the problem of remote mesh viewing. We work on triangular meshes. After a study of existing methods of remote viewing, we propose a visualization approach based on a client-server architecture, in which almost all operations are performed on the server. Our approach includes three main steps: a first step of partitioning the original mesh, generating several fragments of the original mesh that can be supported by the supposed smaller Transfer Control Protocol (TCP) window size of the network, a second step called pre-simplification of the mesh partitioned, ge…
Artificial Potential Field Simulation Framework for Semi-Autonomous Car Conception
2017
International audience; Artificial potential field is investigated to provide a high level of synergy between driver and semi-autonomous vehicle. This article presents a framework developed to test the performances of this approach. Stand-alone performances of this system is tested for a lane keeping and cruise control application. Performances are promising and future development is discussed.
Quelle efficacité d’une gestion à une échelle paysagère large des abondances locales d’adventices? Une approche de modélisation à l’échelle du paysage
2019
Prod 2019-15n SPE GESTAD INRA; National audience; Compte tenu de la dispersion des graines à des échelles plus larges que la parcelle, prendre en compte l’échelle du paysage est un levier d’action potentiel pour une gestion durable de la flore adventice. A l’aide d’un modèle de dynamique spatiale des adventices, nous avons traité la question : est-il possible de réduire les abondances locales d’adventices dans les cultures annuelles en introduisant dans les paysages des prairies permanentes, habitats défavorables aux adventices annuelles. Dans les paysages avec beaucoup de prairies permanentes, les densités de graines dans les cultures annuelles étaient plus faibles que dans des paysages av…
Effet d'un affichage environnemental sur les choix alimentaires des consommateurs : essai contrôlé randomisé dans un supermarché en réalité virtuelle
2021
National audience
« A propos d’un paysage urbain », Journée d’études « Paysages en Mouvement », Université Paul Valéry, 17 juin 2022.
2022
Présentation d'une application de RV.
De l’histoire romancée à l’histoire virtuelle
2020
International audience
L’apprentissage en environnement virtuel : rôle du guidage et du feedback sur la compréhension des écosystèmes forestiers
2021
As part of the E-Fran project, we studied cognitive processes related to learning in order to optimize a virtual reality forest simulator. This thesis work resulted in four experiments involving a test of multimedia learning principles (Mayer, 2009, 2014,2021) in virtual reality, as well as the cognitive mechanisms underlying acquisitions in the forest ecosystem domain. Our first study focused on learning about the decomposition of organic matter with over 100 5th grade students. We created a 3D environment respecting the principle of semantic coherence in order to compare two groups of students who studied either the lesson according to a fixed semantically coherent presentation or the les…
Convergences des logiques sociales de la collaboration et des communautés en ligne
2012
How to create and / or control a group online, in or outside the boundaries of the organization so that it contributes to economic development of the company? This question functionalist concerns us, as sociologists and researchers in CIS, the hypothetical convergence of marketing and managerial logics in building community online. Fruits of political knowledge management, management of the symbolic and innovation processes in the organization in part, and an effective marketing strategy of intermediation between the user / consumer / innovator and consumer product for another part, the convergent approach and instrumental group online is sure to redefine the contours of the process of soci…
Study of control command of dynamic platform for driving simulation and influence on simulator sickness
2013
Simulation has been intensively involved nowadays in research and development for automotive industry. Driving simulators are one of those simulation techniques which are used to evaluate the prototypes for the vehicle dynamics and driving assistance systems. However with the driving simulator, there is a lock associated with its use. Because representing a permanent scenario as scale 1 is quite difficult. Because of that difficulty, motion/simulator sickness is an inevitably important topic to study.This thesis proposes to explore methods and tools to implement in static or dynamic simulators. In this implementation, studies of simulator sickness are conducted with objective measures (via …
Cluny: de la gestion de données à la réalité augmentée
2007
Cluny III was the greatest abbey of the Christendom until the construction of Saint-Peters of Roma in the 17th century. Unfortunately, the Order of Cluny was broke up with the French revolution, and the church became a stone pit carry. Until 2010, for the commemoration of the Cluny foundation, a great restoration yard has begun. It is composed of two parts: Hézelon which is the restoration and development program for the patrimony of Cluny; and Gunzo, which is a research assembly on new image technologies, for knowledge and valorisation of the site. To facilitate the comprehension of this patrimony, and to allow the public to access its past, augmented reality features had been developed.