Video Tone Mapping
R. Boitard*,†; R. Cozot*; K. Bouatouch* * IRISA, Rennes, France† Technicolor, Cesson-Sevigne, France
Abstract
To display high dynamic range videos on a low dynamic range display, a tone mapping operation is needed. Tone mapping independently each frame of a video sequence leads to temporal artifacts that impair the visual quality of the resulting tone-mapped video. These temporal artifacts are classified into six categories: global flickering, local flickering, temporal noise, temporal brightness incoherency, temporal object incoherency, and hue coherency. We explain in detail the situations in which these artifacts may occur. We review existing video tone mapping operators (techniques that take into account ...
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