This file is indexed.

/usr/share/libdcmtk2/scanner.lut is in dcmtk 3.6.0-15.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# Scanner characteristic file

# maximum DDL value

  max   4095

# illumination (optional)

  lum   2000

# reflected ambient light (optional)

  amb   10

# DDL   OD Val

     0   3.10
    16   2.46
    32   2.17
    48   1.94
    96   1.74
   145   1.59
   241   1.44
   353   1.30
   514   1.15
   723   1.02
   996   0.90
  1461   0.76
  2023   0.62
  2794   0.49
  3758   0.37
  4095   0.24

# eof of file