A Real Time High Dynamic Range Light Probe

A Real Time High Dynamic Range Light Probe

Jamie Waese and Paul Debevec
SIGGRAPH 2001 Technical Sketch


Discusses methods for the creation of HDR images for use in image-based lighting applications, using muliple exposures.

One solution for creating a real time high dynamic range light probe is to develop a system in which multiple exposures of the same image can be captured within a single video frame. We did this by modifying a five point Multi-Image Filter (a faceted lens that is commonly used to create photographic kaleidoscope effects), and applying successively increasing values of neutral density gel to four of the five facets of the filter (3⅓, 6⅔, 10 and 13⅓ stops).

Posted: March 31st, 2005
Categories: Uncategorized
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