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Recovering High Dynamic Range Radiance Maps from Photographs

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by Paul E. Debevec , Jitendra Malik
Citations:859 - 15 self
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BibTeX

@MISC{Debevec_recoveringhigh,
    author = {Paul E. Debevec and Jitendra Malik},
    title = {Recovering High Dynamic Range Radiance Maps from Photographs},
    year = {}
}

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Abstract

We present a method of recovering high dynamic range radiance maps from photographs taken with conventional imaging equipment. In our method, multiple photographs of the scene are taken with different amounts of exposure. Our algorithm uses these differently exposed photographs to recover the response function of the imaging process, up to factor of scale, using the assumption of reciprocity. With the known response function, the algorithm can fuse the multiple photographs into a single, high dynamic range radiance map whose pixel values are proportional to the true radiance values in the scene. We demonstrate our method on images acquired with both photochemical and digital imaging processes. We discuss how this work is applicable in many areas of computer graphics involving digitized photographs, including image-based modeling, image compositing, and image processing. Lastly, we demonstrate a few applications of having high dynamic range radiance maps, such as synthesizing realistic motion blur and simulating the response of the human visual system.

Keyphrases

high dynamic range radiance map    response function    multiple photograph    digitized photograph    many area    true radiance value    digital imaging process    image compositing    different amount    realistic motion blur    image-based modeling    conventional imaging equipment    human visual system    pixel value    computer graphic    image processing    imaging process   

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