Relativistic ultrafast rendering using time-of-flight imaging

Authors:
Andreas Velten;Di Wu;Adrian Jarabo;Belen Masia;Christopher Barsi;Everett Lawson;Chinmaya Joshi;Diego Gutierrez;Moungi G. Bawendi;Ramesh Raskar
Affiliations:
MIT Media Lab and Morgridge Institute, University of Wisconsin-Madison;MIT Media Lab and Tsinghua University;University of Zaragoza;University of Zaragoza;MIT Media Lab;MIT Media Lab;MIT Media Lab and College of Engineering, Pune;University of Zaragoza;MIT;MIT Media Lab
Venue:
ACM SIGGRAPH 2012 Talks
Year:
2012

Citing 2
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Abstract

We capture ultrafast movies of light in motion and synthesize physically valid visualizations. The effective exposure time for each frame is under two picoseconds (ps). Capturing a 2D video with this time resolution is highly challenging, given the low signal-to-noise ratio (SNR) associated with ultrafast exposures, as well as the absence of 2D cameras that operate at this time scale. We re-purpose modern imaging hardware to record an average of ultrafast repeatable events that are synchronized to a streak tube, and we introduce reconstruction methods to visualize propagation of light pulses through macroscopic scenes.