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High Dynamic Range Images

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Photographers once hindered by the inability of film to faithfully capture the wide range from brightness to darkness, i.e., the contrast or the dynamic range found in many scenes, are now hindered by the same limitation of digital sensors. Imagine that the red light of dawn is illuminating the distant mountain peaks, but the foreground remains in shadow. The scene’s contrast is the difference in brightness levels between the darkest portion of the shadowed foreground and the brightest spot on the sunlit mountain. We measure this contrast in stops of light; each stop is a halving or a doubling of the light. If you correctly ...

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