Information

Abstract

In this report we present a new time-dependent tone mapping model which describes the ability of the human vision to adapt to even strong changes in the luminance of the surroundings. This ability depends on time; in fact the human visual system needs a determined amount of time until reaching the final stage of adaptation. Our model accepts the CIEXYZ values of an image as input and converts them into RGB values reproducible on a monitor. This work is based on the retinal model presented by Pattanaik et al. , but introducing substantial modifications. In fact, we define a new dynamic model which describes the time dependence of the human visual system, utilizing different filters; the cromatic adaptation is taken into account by introducing the model of von Kries. Furthermore, we introduce new techniques of gamut mapping and conversion between the values of retinal response and luminance of the display.

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BibTeX

@techreport{Artusi-2001-NTD,
  title =      "New Time-Dependent Tone mapping Algorithm",
  author =     "Alessandro Artusi and Christian Faisstnauer and Alexander
               Wilkie",
  year =       "2001",
  abstract =   "In this report we present a new time-dependent tone mapping
               model which describes the ability of the human vision to
               adapt to even strong changes in the luminance of the
               surroundings. This ability depends on time; in fact the
               human visual system needs a determined amount of time until
               reaching the final stage of adaptation. Our model accepts
               the CIEXYZ values of an image as input and converts them
               into RGB values reproducible on a monitor. This work is
               based on the retinal model presented by Pattanaik et al. ,
               but introducing substantial modifications. In fact, we
               define a new dynamic model which describes the time
               dependence of the human visual system, utilizing different
               filters; the cromatic adaptation is taken into account by
               introducing the model of von Kries. Furthermore, we
               introduce new techniques of gamut mapping and conversion
               between the                  values of retinal response and
               luminance of the display.",
  month =      nov,
  number =     "TR-186-2-01-21",
  address =    "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology ",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  keywords =   "colours, chromatic adaptation, appearance model,
               time-dependence, visual adaptation",
  URL =        "https://www.cg.tuwien.ac.at/research/publications/2001/Artusi-2001-NTD/",
}