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Abstract

The available contrast of common display devices is much lower than image data often demand. Usually a variant of an average of the field of view is used to normalize the image. In this paper an alternative approach will be taken to define the mapping of rendered values to the displayable intensity range. The luminance range is chosen such that a minimum amount of information is lost, thereby preserving the contrast ratio of all correctly displayed parts. The loss of information can be regulated by different error functions. The introduced method can be applied on the color and gray scale images

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@techreport{Neumann-1996-AEC,
  title =      "Automatic Exposure in Computer Graphics based on the
		
               Minimum Information Loss Principle",
  author =     "Laszlo Neumann and Kresimir Matkovic and Werner Purgathofer",
  year =       "1996",
  abstract =   "The available contrast of common display devices is much
               lower than image data often demand. Usually a variant of an
               average of the field of view is used to normalize the image.
               In this paper an alternative approach will be taken to
               define the mapping of rendered values to the displayable
               intensity range. The luminance range is chosen such that a
               minimum amount of information is lost, thereby preserving
               the contrast ratio of all correctly displayed parts. The
               loss of information can be regulated by different error
               functions. The introduced method 		  can be applied on the
               color and gray scale images",
  address =    "Favoritenstrasse 9-11/186, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  month =      mar,
  number =     "TR-186-2-96-08",
  keywords =   "color mapping",
  URL =        "http://www.cg.tuwien.ac.at/research/publications/1996/Neumann-1996-AEC/",
}