Efficient Light Field Based Camera Walk

Speaker:	Dr. Sharat Chandran
		The Indian Institute of Technology

Title:		"Efficient Light Field Based Camera Walk"

Date:		Tuesday, 29 March 2005

Time:		2:00 pm - 3:00 pm

Venue:		Room 3464 (Conference Room, via lift nos. 25/26)
		HKUST

ABSTRACT:

The light field rendering method is an interesting variation on achieving
realism.  Once authentic imagery has been acquired using a camera gantry,
or a handheld camera, detailed novel views can be synthetically generated
from various viewpoints.

One common application of this technique is when a user ``walks'' through
a virtual world. In this situation, only a subset of the previously stored
light field is required, and considerable computation burden is
encountered in processing the input light field to obtain this subset. In
this talk, we show that appropriate portions of the light field can be
cached at select ``nodal points'' that depend on the camera walk. Once
spartanly and quickly cached, scenes can be rendered from any point on the
walk efficiently.


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Biography:

Sharat Chandran is currently a tenured Associate Professor at the Indian
Institute of Technology. Earlier, he has held appointments in research and
engineering at the University of Maryland (USA), Stanford University
(USA), Oracle Corporation (USA), NTT (Japan), and Schlumberger, USA. He
holds a doctorate in Computer Science from the University of Maryland and
an undergraduate degree in Electrical and Electronics Engineering from the
Indian Institute of Technology, Bombay.

Dr. Chandran's research interests are in computer graphics and vision, and
in parallel computation, fields in which he has made noteworthy
contributions in the form of archival journal articles.