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SUMMARY:IC Colloquium : Capturing and simulating the interaction of light 
 with the world around us
DTSTART:20150312T101500
DTEND:20150312T113000
DTSTAMP:20260407T002832Z
UID:14407841decbbc46c266182cbea25a9fec04553c525d6951148c8aa3
CATEGORIES:Conferences - Seminars
DESCRIPTION:By : Wenzel Jakob - ETH Zurich\nIC Faculty candidateAbstract :
 \nDriven by the increasing demand for photorealistic computer-generated im
 ages\, graphics is currently undergoing a substantial transformation to ph
 ysics-based approaches which carefully process visual information characte
 rizing object shape and the interaction of light and matter. Progress on a
 ll fronts of this transition -- acquisition\, physical models and simulati
 on techniques -- has been steady but mostly independent from another. When
  combined\, the resulting methods are in many cases impracticably slow and
  require unrealistic workarounds to process even simple everyday input. My
  research lies at the interface of these research fields\; my goal is to b
 reak down the barriers between acquisition\, simulation techniques and the
  underlying physical models\, and to use the resulting insights to develop
  realistic methods that remain efficient over a wide range of inputs.\nI w
 ill cover three areas of recent work: the first involves volumetric modeli
 ng approaches to create realistic images of woven and knitted cloth. Next\
 , I will discuss reflectance models for glitter/sparkle effects and arbitr
 arily layered materials that are specially designed to allow for efficient
  simulations. In the last part of the talk\, I will give an overview of Ma
 nifold Exploration\, a Markov Chain Monte Carlo technique that is able to 
 reason about the geometric structure of light paths in high dimensional co
 nfiguration spaces defined by the underlying physical models\, and which u
 ses this information to accelerate rendering of images and animation seque
 nces.Bio :\nWenzel Jakob is a Marie Curie Postdoctoral Fellow at ETH Züri
 ch in the Institute for Visual Computing. He obtained his Ph.D. in 2013 un
 der the supervision of Dr. Steve Marschner at Cornell University and condu
 cted his undergraduate studies at the Karlsruhe Institute of Technology. W
 enzel's experience includes research and development work at Disney Resear
 ch Zurich and Weta Digital\, and he is the lead developer of Mitsuba\, a r
 esearch-oriented open source rendering system that has become a popular re
 search platform in rendering and appearance modeling.More information
LOCATION:BC 420 https://plan.epfl.ch/?room==BC%20420
STATUS:CONFIRMED
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