Tonemapping#

Schlick (1994)#

Photorealistic rendering techniques, chapter Quantization Techniques for the Visusalization of High Dynamic Range Pictures

• Sigmoid compression

Schlick’s s-shaped curve reduces some of the problems caused by clipping however its limited dynamic range makes it only viable for MDR images.

Tumblin (1999)#

Two methods for display of high contrast images.

• tanh

Durand (2004)#

• bilateral filter

detailed layer (LDR) + base layer (HDR) or, illuminance and reflectance layer