[Colloquium] TTIC Talk: Samuel Hasinoff, MIT

[Julia MacGlashan]

*REMINDER*

When:            *Thursday, Apr 15 @ 11:00am
*

Where:           * TTIC Conference Room #526*, 6045 S Kenwood Ave, 5th Floor


Who:              * **Samuel Hasinoff*, MIT


Title:          *      **Rich Photography on a Budget*****



 Computation is playing an increasingly central role in how we capture and
process our images, opening up richer forms of imaging that go beyond
conventional photography. Recent examples of rich photography involve
merging multiple shots to obtain seamless panoramas, 3D shape, deeper focus,
or a wider range of tones. In this talk, I will argue that the future of
photography lies in richer capture, paying special attention to our limited
budget of light, time, and sensor throughput. By analyzing tradeoffs and
limits in imaging, we can develop ways to enrich photography while making
efficient use of our cameras.

First, I will address the basic problem of capturing an in-focus image in a
fixed time budget. As our analysis shows, the number of shots captured is a
crucial determinant of quality, and taking this into account places the
conventional camera in a surprisingly favorable light. Second, I will
describe how existing cameras can be used more efficiently to capture scenes
with a wide range of tones. By adjusting the camera's amplifier as well as
its shutter speed, we can achieve up to 10x noise reduction in the darkest
parts of the scene. Both of these projects demonstrate not only how
computation enables rich photography, but also how a deeper understanding of
imaging can lead to significant gains over the state-of-the-art.

BIO: Sam Hasinoff received the BSc degree in computer science from the
University of British Columbia in 2000, and the MSc and PhD degrees in
computer science from the University of Toronto in 2002 and 2008,
respectively. He is currently an NSERC Postdoctoral Fellow at the
Massachusetts Institute of Technology. In 2006, he received an honorable
mention for the Longuet-Higgins Best Paper Award at the European Conference
on Computer Vision. He is the recipient of the Alain Fournier Award for the
top Canadian dissertation in computer graphics in 2008.

Host:              Raquel Urtasun, rurtasun at ttic.edu
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