5 .\" Author: Kevin Rosenberg <kevin@rosenberg.net>
7 .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8 .\" All rights reserved
10 .\" Created: Thu Apr 20 07:54:42 MDT 2000
12 .\" $Id: ctrec.1,v 1.1 2000/04/28 13:02:44 kevin Exp $
19 .Nd Image Reconstruction (reconstruct computed tomography data)
21 .Nm ctrec raysum-file image-file nx-image ny-image [OPTIONS]
24 reconstucts image data from raysum projections collected by CT scanner. It uses
26 for projection data generation.
29 is configured to use a variety of reconstruction filters.
31 The options are as follows:
33 .It Fl Fl interp Ar interp-method
34 Select interpolation mode (default is linear)
35 .It Fl Fl filter Ar filter-name
36 Select filter for reconstruction
37 .It Fl Fl filter-param Ar x
38 Set alpha level for Hamming filter
39 .It Fl Fl backproj Ar bj-method
40 Select backprojection method (default is diff2)
41 .It Fl Fl desc Ar description
42 Save description in image file
43 .It Fl Fl trace Ar level
44 Set trace level (default is none)
52 Print terse help summary
54 Kevin Rosenberg, M.D. <kevin@rosenberg.net>
57 was first written in 1983 using MS-DOS and an EGA display adapter. In 1999 it was ported to GNU/Linux.