annotate Meerwald/gen_koch_sig.1 @ 0:be303a3f5ea8

import
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Sun, 12 Aug 2007 13:14:34 +0200
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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1 .\"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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2 .\" gen_koch_sig.1 - the *roff document processor man page source
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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3 .\"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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4 .TH gen_koch_sig 1 "98/06/30" "Watermarking, Version 1.0"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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5 .SH NAME
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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6 .B gen_koch_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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7 \- a program to generate a signature for
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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8 the
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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9 .B wm_koch_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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10 watermarking program
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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11 .SH SYNOPSIS
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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12 .B gen_koch_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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13 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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14 .B \-h
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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15 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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16 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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17 .BI \-n \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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18 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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19 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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20 .BI \-o \ file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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21 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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22 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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23 .BI \-q \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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24 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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25 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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26 .BI \-s \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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27 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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28 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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29 .IR file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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30 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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31 .SH DESCRIPTION
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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32 .B gen_koch_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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33 is a program to generate a signature to be
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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34 embedded with the
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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35 .B wm_koch_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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36 watermarking program and extracted with the
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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37 .B wm_koch_d
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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38 program. The
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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39 .B cmp_koch_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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40 program is used to compare and test an
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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41 extracted signature with the original signature.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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42 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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43 Please refer to E. Koch's paper "Towards Robust and Hidden
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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44 Image Copyright", 1995, to get an idea about the algorithm.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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45 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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46 .SH OPTIONS
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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47 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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48 .B \-h
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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49 Print a help message.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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50 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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51 .BI \-n \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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52 Limit the signature length to
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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53 .I number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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54 bits (0 <
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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55 .I number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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56 <= 1024) unless reading from standard input. When reading from
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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57 standard input, the signature is terminated by the first
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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58 carriage return character.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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59 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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60 .BI \-o \ file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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61 Output signature to the specified
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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62 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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63 instead of standard output.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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64 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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65 .BI \-q \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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66 Quality/robustness factor used to embed signature into image.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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67 Default value: 3.0.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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68 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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69 .BI \-s \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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70 Specify a seed value to initialize the pseudo-random number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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71 generator; if not specified, time and pid (process id) are used
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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72 to initialize the pseudo-random number generator.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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73 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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74 .IR file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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75 Input file to read raw signature data from. Default: standard
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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76 input.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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77 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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78 .SH OUTPUT
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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79 The output file has the following format:
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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80 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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81 .B KCSG
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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82 Magic to identify file type.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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83 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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84 .I number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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85 The length of the signature in bits.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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86 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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87 .I number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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88 The quality/robustness factor.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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89 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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90 .I number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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91 The seed value for the pseudo-random number generator.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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92 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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93 .I string
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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94 The actual signature bytes.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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95 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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96 .SH AUTHOR
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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97 Peter Meerwald. Email bug reports to pmeerw@cosy.sbg.ac.at.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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98 .SH AVAILABILITY
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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99 The most recent released version of
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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100 .B gen_koch_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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101 is always available
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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102 at http://www.cosy.sbg.ac.at/~pmeerw/Watermarking or via anonymous ftp from ftp.cosy.sbg.ac.at in the
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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103 directory /pub/people/pmeerw/Watermarking.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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104 .SH "SEE ALSO"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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105 .BR wm_koch_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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106 (1),
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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107 .BR wm_koch_d
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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108 (1),
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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109 .BR cmp_koch_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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110 (1)

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