annotate Meerwald/wm_corvi_e.1 @ 22:d8551fb39a5e default tip

Added tag v0.6 for changeset 1c4ccd635a68
author Peter Meerwald-Stadler <pmeerw@pmeerw.net>
date Sat, 28 Jan 2023 23:57:51 +0100
parents be303a3f5ea8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
1 .\"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
2 .\" wm_corvi_e.1 - the *roff document processor man page source
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
3 .\"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
4 .TH wm_corvi_e 1 "98/07/29" "Watermarking, Version 1.0"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
5 .SH NAME
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
6 .B wm_corvi_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
7 \- a program to embed a signature in the DWT residue of an image
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
8 .SH SYNOPSIS
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
9 .B wm_corvi_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
10 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
11 .BI \-a \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
12 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
13 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
14 .BI \-e \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
15 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
16 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
17 .BI \-f \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
18 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
19 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
20 .BI \-F \ ffile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
21 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
22 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
23 .BI \-g \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
24 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
25 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
26 .B \-h
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
27 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
28 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
29 .BI \-o \ ofile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
30 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
31 .br
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
32 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
33 .BI \-q \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
34 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
35 [
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
36 .BI \-v \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
37 ]
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
38 .BI \-s \ sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
39 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
40 .SH DESCRIPTION
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
41 .B wm_corvi_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
42 is a program to embed a signature (watermark) from
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
43 .I sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
44 into the DWT residue of an image
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
45 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
46 and output a signed (watermarked) image
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
47 .I ofile.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
48 Both, input and output image,
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
49 are in PGM (portable graymap) format.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
50 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
51 If
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
52 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
53 or
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
54 .I ofile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
55 is not specified, then standard input or standard output is
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
56 used. The signature
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
57 .I sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
58 is a mandatory parameter however.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
59 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
60 .B gen_corvi_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
61 is used to generate a signature file,
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
62 .B wm_corvi_d
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
63 extracts a signature from a watermarked image and
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
64 .B cmp_corvi_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
65 allows to compare and test an extracted watermark against the original
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
66 signature.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
67 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
68 Please refer to Marco Corvi's paper "Wavelet-based image watermarking
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
69 for copyright protection", to get an idea about the algorithm.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
70 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
71 .SH OPTIONS
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
72 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
73 .BI \-a \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
74 Alpha factor that determines embedding strength of the signature.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
75 Allows to override the setting in the signature file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
76 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
77 .BI \-e \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
78 Wavelet filtering method for forward transformation.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
79 Allows to override the setting in the signature file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
80 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
81 .BI \-f \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
82 Wavelet filter number.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
83 Allows to override the setting in the signature file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
84 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
85 .BI \-F \ ffile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
86 Wavelet filter definition file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
87 Allows to override the setting in the signature file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
88 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
89 .BI \-g \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
90 Wavelet filtering method for inverse transformation.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
91 Allows to override the setting in the signature file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
92 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
93 .B \-h
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
94 Print a help message.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
95 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
96 .BI \-o \ ofile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
97 Output watermarked image to the specified
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
98 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
99 instead of standard output.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
100 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
101 .BI \-q \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
102 Set quantization/quality factor. Overrides the setting in the signature
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
103 file.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
104 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
105 .BI \-s \ sfile
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
106 The signature file to embed into the input image. See
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
107 .B gen_corvi_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
108 (1) for a description of the file format. Mandatory parameter.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
109 .IR file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
110 Input image in PGM format to sign (watermark). Default: standard input.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
111 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
112 .BI \-v \ number
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
113 Verbosity level. Specify higher numbers for more informatative
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
114 output. Default value: 0.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
115 .TP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
116 .I file
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
117 The image in PGM format to be watermarked.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
118 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
119 .SH OUTPUT
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
120 The signed (watermarked) image in PGM format is written to standard output
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
121 or, optionally, to
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
122 .I ofile.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
123 The length of the signature (watermark) determines the level of the
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
124 image residue (coarse image) where the signature is embedded.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
125 .PP
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
126 .SH AUTHOR
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
127 Peter Meerwald. Email bug reports to pmeerw@cosy.sbg.ac.at.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
128 .SH AVAILABILITY
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
129 The most recent released version of
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
130 .B wm_corvi_e
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
131 is always available
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
132 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>
parents:
diff changeset
133 directory /pub/people/pmeerw/Watermarking.
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
134 .SH "SEE ALSO"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
135 .BR gen_corvi_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
136 (1),
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
137 .BR wm_corvi_d
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
138 (1),
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
139 .BR wm_corvi_s
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
140 (1),
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
141 .BR cmp_corvi_sig
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
142 (1)

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