December 14, 2011

Videos and explanation start at 20:15.

Pretty neat stuff on super high speed photography. By capturing a trillion frames per second, they can see how light moves through a variety of surfaces. They build custom camera equipment which is modified from instruments used in chemistry labs for high-speed data acquisition. The technique Raskar is referring to uses high-speed flashes to separate the direct and global lighting. It looks especially cool when you see how light passes through the bell pepper due to sub-surface scattering.


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