Computational Photography: Epsilon to Coded Imaging

author: Ramesh Raskar, MIT Media Lab, School of Architecture + Planning, Massachusetts Institute of Technology, MIT
published: Dec. 5, 2008,   recorded: November 2008,   views: 13235


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Computational photography combines plentiful computing, digital sensors, modern optics, actuators, and smart lights to escape the limitations of traditional cameras, enables novel imaging applications and simplifies many computer vision tasks. However, a majority of current Computational Photography methods involve taking multiple sequential photos by changing scene parameters and fusing the photos to create a richer representation. The goal of Coded Computational Photography is to modify the optics, illumination or sensors at the time of capture so that the scene properties are encoded in a single (or a few) photographs. We describe several applications of coding exposure, aperture, illumination and sensing and describe emerging techniques to recover scene parameters from coded photographs.

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