Level 2 Help for WNRM2005

The input files to WNRM2005 are:

1. The fourier transform of the image to be restored, in the format
  produced by programs FFT22 or FT2 or FFT2005.

2. The optical transfer function (OTF) of the degraded image, i.e.,
  the fourier transform of the point spread function (PSF).

3. Optionally, a real input image of S/N can be given as the last input.
  It is then used in place of the S/N constant input on a per pixel basis.
  The number of inputs can be from two to four.  If this input is given,
  then the keyword 'SNRIMG must be used.
  
All input files must be of COMPLEX (except NSR real) format and of the
same size.

The output file is the restored fourier transform.  The corresponding
image may be produced using program FFT2 or FFT2005 in inverse mode.

The output file will be of the same size as the input.

This parameter specified the signal-to-noise ratio to be used in the
restoration. Noisy images should have values like 5. Clean images
should have values like 30.