annotate Meerwald/wm_cox_e.1 @ 1:647ab0f05aae v0.4

drop, not needed
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Tue, 14 Aug 2007 19:58:25 +0200
parents be303a3f5ea8
children
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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 .\" wm_cox_e.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 wm_cox_e 1 "98/07/01" "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 wm_cox_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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7 \- a program to embed a signature in the DCT coefficients of an image
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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8 .SH SYNOPSIS
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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9 .B wm_cox_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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10 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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11 .BI \-a \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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12 ]
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 \-o \ ofile
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 \-q \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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21 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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22 .BI \-s \ sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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23 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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24 .SH DESCRIPTION
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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25 .B wm_cox_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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26 is a program to embed a signature (watermark) from
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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27 .I sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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28 into the DCT coefficients of an image
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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29 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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30 and output a signed (watermarked) image
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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31 .I ofile.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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32 Both, input and output image,
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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33 are in PGM (portable graymap) format.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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34 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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35 If
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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36 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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37 or
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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38 .I ofile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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39 is not specified, then standard input or standard output is
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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40 used. The signature
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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41 .I sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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42 is a mandatory parameter however.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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43 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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44 .B gen_cox_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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45 is used to generate a signature file,
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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46 .B wm_cox_d
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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47 extracts a signature from a watermarked image and
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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48 .B cmp_cox_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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49 allows to compare and test an extracted watermark against the original
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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50 signature.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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51 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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52 Please refer to Ingemar J. Cox's paper "Secure Spread Spectrum
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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53 Watermarking for Multimedia", 1995, to get an idea about the algorithm.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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54 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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55 .SH OPTIONS
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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56 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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57 .BI \-a \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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58 Alpha factor that determines embedding strength of the signature.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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59 Allows to override the setting in the signature file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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60 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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61 .B \-h
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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62 Print a help message.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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63 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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64 .BI \-o \ ofile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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65 Output watermarked image to the specified
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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66 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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67 instead of standard output.
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 \-q \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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70 Set quantization/quality factor. Overrides the setting in the signature
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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71 file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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72 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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73 .BI \-s \ sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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74 The signature file to embed into the input image. See
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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75 .B gen_cox_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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76 (1) for a description of the file format. Mandatory parameter.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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77 .IR file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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78 Input image in PGM format to sign (watermark). Default: standard input.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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79 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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80 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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81 The input image in PGM format.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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82 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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83 .SH OUTPUT
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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84 The signed (watermarked) image in PGM format is written to standard output
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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85 or, optionally, to
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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86 .I ofile.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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87 The embedding process may take some time on large images since the DCT
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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88 is performed on the whole image in one step (not block-wise).
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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89 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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90 The
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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91 .I n
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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92 largest coefficients are pulsed to embed the
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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93 .I n
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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94 bit watermark.
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 wm_cox_e
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 gen_cox_sig
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_cox_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_cox_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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110 (1)

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.