Efficient Regression for Computational Photography: from Color Management to Omnidirectional Superresolution

author: Maya Gupta, Department of Electrical Engineering, University of Washington
published: Jan. 23, 2012,   recorded: December 2011,   views: 4077


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Many computational photography applications can be framed as low-dimensional regression problems that require fast evaluation of test samples for rendering. In such cases, storing samples on a grid or lattice that can be quickly interpolated is often a practical approach. We show how to optimally solve for such a lattice given non-lattice data points. The resulting lattice regression is fast and accurate. We demonstrate its usefulness for two applications: color management, and superresolution of omnidirectional images.

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