Photographic Tone Reproduction for Digital Images

Photographic Tone Reproduction for Digital Images

Erik Reinhard, Mike Stark, Peter Shirley and Jim Ferwerda

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Evaluates methods for mappng photographic tones efficiently to digital images

The range of light we experience in the real world is vast, spanning approximately ten orders of absolute range from star-lit scenes to sun-lit snow, and over four orders of dynamic range from shadows to highlights in a single scene. However, the range of light we can reproduce on our print and screen display devices spans at best about two orders of absolute dynamic range. This discrepancy leads to the tone reproduction problem: how should we map
measured/simulated scene luminances to display luminances and produce a satisfactory image?

Posted: March 31st, 2005
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