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Light field mapping is a method for efficient representation and interactive visualization of surface light fields. This method approximates the radiance data by partitioning it over elementary surface primitives and decomposing each part into a small set of lower-dimensional discrete functions. The resulting light field represenation is compact and can be directly used for hardware-accelerated rendering that accurately conveys the physical realism of the original data at interactive frame rates on a personal computer. Additionally, our representation can be further compressed using standard image compression techniques leading to extremely compact data sets that are up to four orders of magnitude smaller than the uncompressed light field data. We demonstrate the approximations for a variety of non-trivial synthetic scenes and physical objects scanned through 3D photography.
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