ACM SIGGRAPH Significant New Researcher 2007 Award Video for Ravi Ramamoorthi

The ACM SIGGRAPH Significant New Researcher
Award is presented annually to a researcher who is new to the
field, and has made a recent significant contribution to computer
graphics. This year’s recipient, Ravi Ramamoorthi, Associate
Professor of Computer Science at Columbia University, is
being honored for his groundbreaking work on mathematical representations
and computational models for the visual appearance of objects. Ravi’s work has had an enormous impact in
areas ranging from real-time rendering to appearance modeling, to acquisition
and representation of visual appearance. In the tradition of the
best graphics researchers, Ravi combines foundational mathematical analysis
with novel practical algorithms. His discoveries have led to a
deeper understanding of appearance and a number of them are being
adopted by the industry. Ravi received both his Bachelor’s and Master’s
degrees in computer science and physics at Caltech, where he published
two Siggraph papers from his work there with Al Barr and Jim Arvo.
Ravi then studied at Stanford University with Pat Hanrahan. His
PhD disseration and SIGGRAPH 2001 paper used ideas from signal-processing
to establish a firm mathematical framework to describe reflection
in terms of convolution, where the incident radiance plays
the role of a signal and the bi-directional reflection distribution
function (BRDF) of a surface plays the role of a filter. He went
on to derive an explicit convolution product formula in the
frequency domain using spherical harmonics. This work represents
a mathematical tour de force, addressing long-standing problems in
graphics and computer vision. Ravi continued his study of the reflection
operator with his SIGGRAPH 2004 paper with Ren Ng and Pat Hanrahan on
Triple Product Integrals, a theme that has continued with several subsequent
papers, two of which appear in the SIGGRAPH 2007 proceedings. Currently,
much of Ravi’s work involves data-driven methods, including
5 papers from SIGGRAPH 2006 that dealt with a variety of issues, from
the measurement and representation of complex time-varying phenomena
to real-time editing of BRDFs. Ravi has made deep and broad contributions
to the twin fields of graphics and computer vision. He has shown
exceptional levels of productivity, being one of the most prolific
recent contributors to SIGGRAPH. For these reasons, Ravi Ramamoorthi
is presented the ACM SIGGRAPH Significant New Researcher Award.

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