USAGE: book in1img in2img outimg [-c clip][-b][-L]

book divides the first input image by the second input image
(to correct for nonuniform background and shading), scales
the result and writes the image to the specified output file.

ARGUMENTS:
   in1img: first input image filename (TIF)
   in2img: second input image filename (TIF)
   outimg: output image filename (TIF)

OPTIONS:
  -c clip: clipping factor for normalized image 0-255(default=1)
       -b: generate binarized output by conversion to integer
       -L: print Software License for this module

Example:

bc coarse.tif coaref.tif coarbc.tif

coarse.tif:

coaref.tif: (obtained by executing: xconv coarse.tif coaref.tif -g 65)

coarbc.tif:

Copyright (C) 1999 MLMSoftware Group, LLC.