1pfstmo_pattanaik00(1)       General Commands Manual      pfstmo_pattanaik00(1)
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NAME

6       pfstmo_pattanaik00 - Time-dependent Visual Adaptation Model
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SYNOPSIS

9       pfstmo_pattanaik00  [--time-dependence]  [--fps  <val>]  [--mul <multi‐
10       plier>] [--local] [--cone <val>] [--rod <val>] [--verbose] [--help]
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DESCRIPTION

13       This command implements a tone mapping operator as described in:
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15       Time-Dependent Visual Adaptation for  Realistic  Image  Display.   S.N.
16       Pattanaik,  J.  Tumblin, H. Yee, and D.P. Greenberg.  In Proceedings of
17       ACM SIGGRAPH 2000.
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19       This operator requires properly calibrated image data  (in  cd/m2)  and
20       its results should be gamma corrected.
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22       The local version of this operator is based on the following paper:
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24       Adaptive  Gain Control For High Dynamic Range Image Display.  S.N. Pat‐
25       tanaik, H. Yee.  In proceedings of SCCG 2002.
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OPTIONS

29       --time-dependence, -t
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31              Use time dependent model of adaptation. This should be used  for
32              tone  mapping  of  an  animation. It has no influence on single-
33              frame input. Switched off by default.  Note: it is important  to
34              correctly set the speed of the input animation (--fps).
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36       --fps <val>, -f <val>
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38              Speed  of  input animation in frames per second. Used when time-
39              dependence is switched on (-t). Default value: 16.0
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41       --mul <multiplier>, -m <multiplier>
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43              Multiply input values by a multiplier value.   Useful  if  input
44              data is not calibrated. Default value: 1.0
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46       --local, -l
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48              Use  local  version  of the tone mapping. Time-dependent effects
49              are cancelled while using local version, global version is  used
50              by default.
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52       --cone <val>, -c <val>
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54              Set  the  adaptation  level for cones. If --rod parameter is not
55              used, this will also set  the  adaptation  level  for  rods.  By
56              default,  the  adaptation  level  is calculated as a logarithmic
57              average of luminance in the input image.
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59       --rod <val>, -r <val>
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61              Set the adaptation level for rods. By  default,  the  adaptation
62              level is calculated as a logarithmic average of luminance in the
63              input image.
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65       --verbose
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67              Print additional information during program execution.
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69       --help
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71              Print list of command line options.
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EXAMPLES

74       pfsin memorial.hdr | pfstmo_pattanaik00 -m 650  |  pfsgamma  -g  2.2  |
75       pfsout memorial.png
76              Tone  map image, apply gamma correction, and save it in png for‐
77              mat.
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SEE ALSO

80       pfsgamma(1) pfsin(1) pfsout(1) pfsview(1)
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BUGS

83       Please report bugs and comments on implementation to Grzegorz  Krawczyk
84       <krawczyk@mpi-sb.mpg.de>.
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88                                                         pfstmo_pattanaik00(1)
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