Concept

Light transport theory

Publications associées (21)

VITRAIL : Acquisition, Modelling and Rendering of Stained Glass

Martin Vetterli, Paolo Prandoni, Loïc Arnaud Baboulaz, Niranjan Thanikachalam

Stained glass windows are designed to reveal their powerful artistry under diverse and time-varying lighting conditions; virtual relighting of stained glass, therefore represents an exceptional tool for the appreciation of this age old art form. However, a ...

Institute of Electrical and Electronics Engineers2016

Multilayer four-flux matrix model accounting for directional-diffuse light transfers

Roger Hersch, Mathieu Hébert

The four-flux model is a method to solve light radiative-transfer problems in planar, possibly multilayer structures. The light fluxes are modeled as two collimated and two diffuse beams propagating forward and backward perpendicularly to the layer stack. ...

Optical Soc Amer2016

Gray free-energy multiphase lattice Boltzmann model with effective transport and wetting properties

Karen Scrivener, Marco Ramaioli, Mohamad Zalzale

The paper shows that it is possible to combine the free-energy lattice Boltzmann approach to multiphase modeling of fluids involving both liquid and vapor with the partial bounce back lattice Boltzmann approach to modeling effective media. Effective media ...

Amer Physical Soc2016

BRDF acquisition with polarizing filters (2016)

Laurent Valentin Jospin

BRDF (for bidirectional reflectance distribution function) are functions used in computer graphics and optics to describe how an opaque surface reflect the incoming light. The goal of this project is to study technics to separate different components of th ...

2016

Geometric Tools for Exploring Manifolds of Light Transport Paths

Wenzel Alban Jakob

Photorealistic images created using physical simulations of light have become a ubiquitous element of our everyday lives. The most successful techniques for producing such images replicate the key physical phenomena in a detailed software simulation, inclu ...

ACM2015

Anisotropic Gaussian Mutations for Metropolis Light Transport Through Hessian-Hamiltonian Dynamics

Wenzel Alban Jakob

The simulation of light transport in the presence of multi-bounce glossy effects and motion is challenging because the integrand is high dimensional and areas of high-contribution tend to be narrow and hard to sample. We present a Markov Chain Monte Carlo ...

ACM2015

Fabrication-Aware Design with Performative Criteria

Yuliy Gennadievich Schwartzburg

Artists and architects often need to handle multiple constraints during design of physical constructions. We define a performative constraint as any constraint on design that is tied to the performance of the model--either during fabrication, construction, ...

EPFL2015

Microstructured glazing for daylighting, glare protection, seasonal thermal control and clear view

André Gabriel Kostro

The appropriate choice of glazing in a facade depends on many factors. They include amongst other criteria: location, orientation, climatic condition, energetic efficiency, usage of the building, required user comfort, and the architectural concept. On the ...

EPFL2015

A potentially robust plasma profile control approach for ITER using real-time estimation of linearized profile response models

Jonathan Bryan Lister, Sun Hee Kim

An active plasma profile control approach for ITER, which is potentially robust by being tolerant to changing and uncertain physics, has been explored in this work, using a technique based on real-time estimation of linearized profile response models. The ...

2012

Engineering photonic nanojets

Hans Peter Herzig, Toralf Scharf, Myun Sik Kim

Photonic Nanojets are highly localized wave fields emerging directly behind dielectric microspheres; if suitably illuminated. In this contribution we reveal how different illumination conditions can be used to engineer the photonic Nanojets by measuring th ...

Optical Society of America2011

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