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Toronto, Canada

Snelgrove X.,223 Queen St. E | Pereira T.,223 Queen St. E | Matusik W.,223 Queen St. E | Alexa M.,223 Queen St. E
Computers and Graphics (Pergamon) | Year: 2013

We introduce a simple, inexpensively manufacturable, height field surface geometry that, when appropriately painted, can produce diffuse reflections under ambient lighting approximating a target light field. We demonstrate a light field basis analysis of these surfaces which allows us to formulate the problem as a gamut-mapping, and propose a perceptually motivated metric for bringing complex light fields into gamut while preserving their structure. We show resultant surfaces displaying physical light fields, animations, HDR exposure stacks, and scene relighting. © 2013 Elsevier Ltd. Source

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