Concept

Ray tracing (graphics)

Related publications (156)

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A Prediction Model for Reflection on Varnished Metallic Plates

Roger Hersch, Mathieu Hébert, Patrick Emmel

Several models predict the reflectance of a rough metallic surface. They are however not adapted to the surfaces used in the packaging industry, such as boxes made of printed metallic plates. For printing purposes, metallic surfaces need to be varnished. L ...

Society for Imaging Science and Technology2002

High-Quality Isosurface Rendering with Exact Gradient

Michaël Unser, Philippe Thévenaz

We address the task of rendering by ray tracing the isosurface of a high-quality continuous spline model of volumetric discrete and regular data. By expressing the spline model as a sum of nonnegative B-splines, we are able to confine the potential locatio ...

IEEE2001

Splines and wavelets for image warping and projection

Stefan Horbelt

This thesis investigates advanced signal processing concepts and their application to geometric processing and transformations of images and volumes. In the first part, we discuss the class of transformations that project volume data onto a plane using par ...

EPFL2001

Crack Pattern Simulation Based on 3D Surface Cellular Automaton

Stéphane Gobron

This article describes a method for modeling the propagation of cracks on any 3D surface. This method allows almost any type of cracks on any type of triangulated 3D object. Our model’s main advantage is that it proposes a semi-physical solution, making it ...

Springer Verlag2001

Microlens systems for fluorescence detection in chemical microsystems

Nico de Rooij, Hans Peter Herzig, René Dändliker

Micro-optical systems based on refractive microlenses are investigated. These systems are integrated on a chemical chip. They focus an excitation beam into the detection volume (microliter or even submicroliter scale) and collect the emitted light from flu ...

2001

Microlens systems for fluorescence detection in chemical microsystems

Nico de Rooij, Hans Peter Herzig, René Dändliker

2001

Time-critical multiresolution rendering of large complex models

Very large and geometrically complex scenes, exceeding millions of polygons and hundreds of objects, arise naturally in many areas of interactive computer graphics. Time-critical rendering of such scenes requires the ability to trade visual quality with sp ...

Elsevier2000

Microstereolithography: a new process to build complex 3D objects

Philippe Renaud, Arnaud Bertsch

In this paper, a new microstereolithography apparatus is described. It is an integral process in which a complete layer can be made in one exposure only, in contrast to vector-by-vector processes which are based on the vectorial tracing of each layer. As f ...

1999

Transparent Adaptive Parallelism on NOWs using OpenMP

Willy Zwaenepoel

We present a system that allows OpenMP programs to execute on a network of workstations with a variable number of nodes. The ability to adapt to a variable number of nodes allows a program to take advantage of additional nodes that become available after i ...

1999

Coherent x-rays in the world of nanoscience

Giorgio Margaritondo, Marco Grioni

Coherent x-rays are here! This exciting news is a byproduct of the effort to increase the brightness of synchrotron light sources. We discuss the basic issues concerning x-ray coherence, and some of the applications that are already underway - with particu ...

1998