1dconvlum(1) OFFIS DCMTK dconvlum(1)
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6 dconvlum - Convert VeriLUM files to DCMTK display files
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9 dconvlum in-file out-file [ambient]
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12 Command line program that converts VeriLUM file with characteristic
13 curve data (CCx_xx.dat) to a format used for the Barten transformation
14 in this toolkit. VeriLUM is a calibration package from ImageSmiths
15 consisting of a photometer (with serial RS232 connector) and a Windows
16 NT software.
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19 in-file VeriLUM characteristic curve file to be converted
20 out-file DCMTK display file to be written
22 ambient ambient light (cd/m^2, floating point value)
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26 The output file describing the characteristic curve of a display system
27 (monitor) is a simple text file. Lines starting with a '#' are treated
28 as comments and therefore skipped as well as blank lines. This
29 conversion program creates such a file automatically (including some
30 comment lines) by transforming the information stored in the VeriLUM
31 file. The number following the magic word 'max' defines the maximum DDL
32 value (e.g. 255 for 8 bit displays). This definition is required before
33 the luminance data can be defined. Optionally the ambient light value
34 can be specified in this file too. The floating point value (in candela
35 per square meter) must follow the word 'amb'. Finally the luminance
36 values are defined for each corresponding DDL (device driving level)
37 value. The entries do not necessarily have to be ordered or complete,
38 i.e. there can be less than 'max' + 1 entries. Missing values are
39 calculated by cubic spline interpolation.
40 See DICOM standard part 14 for more details on display calibration and
42 Barten's model (including GSDF).
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45 dcmdspfn(1), dcm2pnm(1)
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48 Copyright (C) 1999-2010 by OFFIS e.V., Escherweg 2, 26121 Oldenburg,
49 Germany.
50Version 3.6.0 6 Jan 2011 dconvlum(1)