Concept

Path tracing

Publications associées (130)

Third-harmonic, top-launch, ECRH experiments on TCV tokamak

Yves Martin, Stefano Alberti, Jean-Philippe Hogge, Laurie Porte, Philippe Marmillod, Gilles Arnoux, Blaise Marlétaz

In the moderate magnetic field of TCV (1.5 T), the recently installed X3 system (3 gyrotrons, 118 GHz, 0.45 MW each, 2 s) broadens the operational space with the possibility of heating plasmas at high density, well above the cutoff density of the X2 system ...

2005

Augmented CGI Films

Daniel Thalmann, Frédéric Vexo

The contribution of this paper focuses on the definition of a multimedia application targeted at turning CGI films into a richer and more interactive experience. We combine highquality animated graphics to present a compelling story and enrich it by introd ...

2004

Bi-directional light transmission properties assessment for venetian blinds : Computer simulations compared to photogoniometer measurements

Marilyne Andersen, Jean-Louis Scartezzini

An accurate evaluation of daylight distribution through advanced fenestration systems (complex glazing, solar shading systems) requires the knowledge of their Bi-directional light Transmission Distribution Function (BTDF). An innovative equipment for the e ...

2003

Comparison between ray-tracing simulations and bi-directional transmission measurements on prismatic glazing

Marilyne Andersen, Jean-Louis Scartezzini

Evaluation of solar heat gain and daylight distribution through complex window and shading systems requires the determination of the bi-directional transmission distribution function (BTDF). Measurement of BTDF can be time-consuming, and inaccuracies are l ...

2003

Precision Isosurface Rendering of 3-D Image Data

Michaël Unser, Philippe Thévenaz

We address the task of rendering by ray tracing the isosurface of a high-quality continuous model of volumetric discrete and regular data. Based on first principles, we identify the quadratic B-spline as the best model for our purpose. The nonnegativity of ...

IEEE2003

Resonator stability subject to dynamic random-tilt aberration

Theo Lasser, Max-Olivier Hongler

We derive the behavior of the average exit time (i.e., the number of reflections before escape) of a ray path traveling between two perfect mirrors subject to dynamic random-tilt aberrations. Our calculation is performed in the paraxial approximation. When ...

2003

Point-based computer graphics

Mark Pauly

Introduction • point rendering • how adapt point densities? • for a given viewing position, how can we get n points that suffice for that viewer? • how render the points? • given n points, how can we render an image from them? ...

Eurographics Association2002

Specifying MPEG-4 body behaviors

Daniel Thalmann, Anthony Guye-Vuillème

The MPEG-4 standard specifies a set of low-level animation parameters for body animation, but does not provide any high-level functionality for the control of avatars or embodied agents. In this paper we discuss the required features for a script format al ...

IEEE Comput. Soc2002

AOP: Does it Make Sense ? The Case of Concurrency and Failures

Rachid Guerraoui, Jörg Kienzle

Concurrency and failures are fundamental problems in distributed computing. One likes to think that the mechanisms needed to address these problems can be separated from the rest of the distributed application: in modern words, these mechanisms could be as ...

2002

AOP - Does It Make Sense? The Case of Concurrency and Failures

Rachid Guerraoui, Jörg Kienzle

Springer Verlag2002

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