In computer graphics, tone mapping is a technique used to adjust an image for better display. This is an essential step in high dynamic range imaging, where a scene exists in a range too large to be displayed by a low dynamic range display.
An example tone mapping filter is . This function will map input values in the ___domain [0, infinity] to an output range of [0, 1).
A common reference paper for tonemapping is
- Erik Reinhard, Mike Stark, Peter Shirley, and James Ferwerda. "Photographic Tone Reproduction for Digital Images"