annotate Meerwald/wm_xia_d.c @ 0:be303a3f5ea8

import
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Sun, 12 Aug 2007 13:14:34 +0200
parents
children acb6967ee76d
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 #include "wm.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
2 #include "dwt.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
3 #include "pgm.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
4 #include "dwt_util.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
6 char *progname;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
7
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
8 void usage(void) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
9 fprintf(stderr, "usage: %s [-a n] [-e n] [-f n] [-F file] [-h] [-l n] [-o file] [-v n] -s file -i file file\n\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
10 fprintf(stderr, "\t-a n\t\talpha factor\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
11 fprintf(stderr, "\t-e n\t\twavelet filtering method\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
12 fprintf(stderr, "\t-f n\t\tfilter number\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
13 fprintf(stderr, "\t-F file\t\tfilter definition file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
14 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
15 fprintf(stderr, "\t-i file\t\toriginal image file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
16 fprintf(stderr, "\t-l n\t\tdecomposition level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
17 fprintf(stderr, "\t-o file\t\tfile for extracted watermark\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
18 fprintf(stderr, "\t-s file\t\toriginal signature file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
19 fprintf(stderr, "\t-v n\t\tverbosity level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
20 exit(0);
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 int extract_subband(Image_tree s, Image_tree t, int name, double alpha, double watermark[], int n, int verbose) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
24 int i, j;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
25 int w;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
26
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
27 w = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
28 for (i = 5; i < s->image->height-5; i++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
29 for (j = 5; j < s->image->width-5; j++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
30 double input_coeff, orig_coeff;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
31
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
32 input_coeff = get_pixel(s->image, i, j);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
33 orig_coeff = get_pixel(t->image, i, j);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
34 if (fabs(orig_coeff) > 20.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
35 watermark[w++] = (input_coeff - orig_coeff) / (alpha * pow(fabs(orig_coeff), 1.0 / 1.2));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
36 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
37
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
38 if (verbose > 3)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
39 fprintf(stderr, "%s: extracting %s%d, size %d x %d; extracted %d coeffs.\n",
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
40 progname, subband_name(name), s->level, s->image->width, s->image->height, w);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
41
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
42 return w;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
43 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
44
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
45 void write_mark(FILE *out, double watermark[], int n) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
46 int i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
47
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
48 fprintf(out, "%d\n", n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
49 for (i = 0; i < n; i++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
50 fprintf(out, "%f\n", watermark[i]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
51 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
52
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
53 int main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
54
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
55 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
56 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
57 FILE *orig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
58 FILE *sig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
59
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
60 gray **input_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
61 gray **orig_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
62
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
63 char signature_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
64 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
65 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
66 char orig_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
67
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
68 int c, w;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
69 int i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
70 int n = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
71 int method = -1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
72 int filter = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
73 char filter_name[MAXPATHLEN] = "";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
74
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
75 int level = 0, levels;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
76 double alpha = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
77
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
78 int in_rows, in_cols, in_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
79 gray in_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
80 int orig_rows, orig_cols, orig_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
81 gray orig_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
82 int rows, cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
83 int row, col;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
84
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
85 double *watermark;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
86
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
87 Image_tree input_dwts, orig_dwts, p, q;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
88
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
89 int verbose = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
90
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
91 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
92
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
93 pgm_init(&argc, argv); wm_init2();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
94
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
95 while ((c = getopt(argc, argv, "a:e:f:F:h?i:l:o:s:v:")) != EOF) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
96 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
97 case 'a':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
98 alpha = atof(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
99 if (alpha <= 0.0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
100 fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
101 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
102 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
103 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
104 case 'e':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
105 method = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
106 if (method < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
107 fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
108 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
109 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
110 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
111 case 'f':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
112 filter = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
113 if (filter <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
114 fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
115 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
116 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
117 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
118 case 'F':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
119 strcpy(filter_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
120 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
121 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
122 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
123 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
124 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
125 case 'i':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
126 if ((orig = fopen(optarg, "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
127 fprintf(stderr, "%s: unable to open original image file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
128 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
129 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
130 strcpy(orig_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
131 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
132 case 'l':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
133 level = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
134 if (level <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
135 fprintf(stderr, "%s: decomposition level %d out of range\n", progname, level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
136 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
137 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
138 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
139 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
140 if ((out = fopen(optarg, "w")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
141 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
142 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
143 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
144 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
145 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
146 case 's':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147 if ((sig = fopen(optarg, "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
148 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
149 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
151 strcpy(signature_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
152 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153 case 'v':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
154 verbose = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
155 if (verbose < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
156 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
157 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
158 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
159 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
160 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
161 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
162
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
163 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
164 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
165
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
166 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
167 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
168 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
169 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
170
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
171 if (argc == 1 && *argv[0] != '-')
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
172 if ((in = fopen(argv[0], "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
173 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
174 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
175 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
176 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
177 strcpy(input_name, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
178
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
179 if (!orig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
180 fprintf(stderr, "%s: original image file not specified, use -i file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
181 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
182 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
183
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
184 if (sig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
185 char line[32];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
186 fgets(line, sizeof(line), sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
187 if (strspn(line, "XASG") >= 4) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
188 fscanf(sig, "%d\n", &n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
189 if (alpha == 0.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
190 fscanf(sig, "%lf\n", &alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
191 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
192 fscanf(sig, "%*lf\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
193 if (level == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
194 fscanf(sig, "%d\n", &level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
195 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
196 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
197 if (method < 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
198 fscanf(sig, "%d\n", &method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
199 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
200 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
201 if (filter == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
202 fscanf(sig, "%d\n", &filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
203 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
204 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
205 if (!strcmp(filter_name, ""))
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
206 fscanf(sig, "%[^\n\r]\n", &filter_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
207 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
208 fscanf(sig, "%*[^\n\r]\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
209 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
210 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
211 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
212 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
213 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
214 fclose(sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
215 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
216 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
217 fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
218 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
219 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
220
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
221 pgm_readpgminit(in, &in_cols, &in_rows, &in_maxval, &in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
222 pgm_readpgminit(orig, &orig_cols, &orig_rows, &orig_maxval, &orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
223
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
224 if (in_cols != orig_cols || in_rows != orig_rows) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
225 fprintf(stderr, "%s: input image %s does not match dimensions of original image %s\n", progname, input_name, orig_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
226 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
227 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
228
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
229 cols = in_cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
230 rows = in_rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
231
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
232 input_image = pgm_allocarray(in_cols, in_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
233 orig_image = pgm_allocarray(orig_cols, orig_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
234
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
235 for (row = 0; row < in_rows; row++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
236 pgm_readpgmrow(in, input_image[row], in_cols, in_maxval, in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
237 pgm_readpgmrow(orig, orig_image[row], orig_cols, orig_maxval, orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
238 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
239
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
240 fclose(in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
241 fclose(orig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
242
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
243 // complete decomposition
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
244 levels = find_deepest_level(cols, rows) - 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
245 if (level > levels) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
246 fprintf(stderr, "%s: decomposition level %d not possible (max. %d), image size is %d x %d\n", progname, level, levels, cols, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
247 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
248 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
249
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
250 init_dwt(cols, rows, filter_name, filter, level, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
251 #ifdef POLLEN_STUFF
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
252 #include "pollen_stuff.xxx"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
253 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
254 #ifdef PARAM_STUFF
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
255 #include "param_stuff.xxx"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
256 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
257
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
258 input_dwts = fdwt(input_image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
259 orig_dwts = fdwt(orig_image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
260
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
261 watermark = malloc((rows * cols / 4.0) * sizeof(double));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
262 if (!watermark) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
263 fprintf(stderr, "%s: malloc() failed\n\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
264 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
265 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
266
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
267 fprintf(out, "XAWM\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
268 fprintf(out, "%d\n", n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
269 fprintf(out, "%d\n", level * 3);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
270
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
271 p = input_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
272 q = orig_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
273 while (p->coarse && q->coarse) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
274 int size;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
275
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
276 size = extract_subband(p->horizontal, q->horizontal, HORIZONTAL, alpha, watermark, n, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
277 write_mark(out, watermark, size);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
278 size = extract_subband(p->vertical, q->vertical, VERTICAL, alpha, watermark, n, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
279 write_mark(out, watermark, size);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
280 size = extract_subband(p->diagonal, q->diagonal, DIAGONAL, alpha, watermark, n, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
281 write_mark(out, watermark, size);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
282
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
283 p = p->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
284 q = q->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
285 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
286
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
287 fclose(out);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
288
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
289 free(watermark);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
290
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
291 pgm_freearray(input_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
292 pgm_freearray(orig_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
293
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
294 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
295 }

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