Abstract:
We present a tone reproduction operator that preserves visibility in high dynamic range scenes. Our method introduces a new histogram adjustment technique, based on the population of local adaptation luminances in a scene. To match subjective viewing experience, the method incorporates models for human contrast sensitivity, glare, spatial acuity and color sensitivity. We compare our results to previous work and present examples of our techniques applied to lighting simulation and electronic photography. Keywords: Shading, Image Manipulation. 1 Introduction The real world exhibits a wide range of luminance values. The human visual system is capable of perceiving scenes spanning 5 orders of magnitude, and adapting more gradually to over 9 orders of magnitude. Advanced techniques for producing synthetic images, such as radiosity and Monte Carlo ray tracing, compute the map of luminances that would reach an observer of a real scene. The media used to display these results -- either a vide...
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