annotate Meerwald/wm_corvi_d.c @ 4:9cf6ec970448 v0.5

mention filter param.
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Tue, 14 Aug 2007 21:13:11 +0200
parents acb6967ee76d
children f83ef905a63d
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 "dwt.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
2 #include "pgm.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
3
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
4 char *progname;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
6 void usage(void) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
7 fprintf(stderr, "usage: %s [-a n] [-h] [-n n] [-o file] [-s file] [-v n] -i file file\n\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
8 fprintf(stderr, "\t-a n\t\talpha factor\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
9 fprintf(stderr, "\t-e n\t\twavelet filtering method\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
10 fprintf(stderr, "\t-f n\t\tfilter number\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
11 fprintf(stderr, "\t-F file\t\tfilter definition file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
12 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
13 fprintf(stderr, "\t-i file\t\toriginal image file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
14 fprintf(stderr, "\t-n n\t\twatermark length\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
15 fprintf(stderr, "\t-o file\t\textracted signature file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
16 fprintf(stderr, "\t-s file\t\toriginal signature file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
17 fprintf(stderr, "\t-v n\t\tverbosity level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
18 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
19 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
20
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
21 int main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
22
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
23 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
24 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
25 FILE *orig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
26 FILE *sig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
27
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
28 gray **input_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
29 gray **orig_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
30
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
31 char signature_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
32 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
33 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
34 char orig_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
35
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
36 int c;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
37 int i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
38 int n = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
39 int method = -1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
40 int filter = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
41 char filter_name[MAXPATHLEN] = "";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
42
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
43 int level = 0;
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
44 double alpha = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
45
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
46 int in_rows, in_cols, in_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
47 gray in_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
48 int orig_rows, orig_cols, orig_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
49 gray orig_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
50 int rows, cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
51 int row, col;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
52
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
53 Image_tree input_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
54 Image_tree orig_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
55
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
56 int verbose = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
57
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
58 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
59
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
60 pgm_init(&argc, argv); wm_init2();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
61
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
62 while ((c = getopt(argc, argv, "a:e:f:F:h?i:n:o:s:v:")) != EOF) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
63 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
64 case 'a':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
65 alpha = atof(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
66 if (alpha <= 0.0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
67 fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
68 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
69 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
70 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
71 case 'e':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
72 method = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
73 if (method < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
74 fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
75 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
76 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
77 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
78 case 'f':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
79 filter = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
80 if (filter <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
81 fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
82 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
83 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
84 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
85 case 'F':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
86 strcpy(filter_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
87 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
88 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
89 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
90 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
91 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
92 case 'i':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
93 if ((orig = fopen(optarg, "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
94 fprintf(stderr, "%s: unable to open original image file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
95 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
96 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
97 strcpy(orig_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
98 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
99 case 'n':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
100 n = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
101 if (n < 1 || n > 1000) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
102 fprintf(stderr, "%s: watermark length %d out of range\n", progname, n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
103 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
104 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
105 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
106 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
107 if ((out = fopen(optarg, "w")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
108 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
109 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
110 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
111 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
112 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
113 case 's':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
114 if ((sig = fopen(optarg, "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
115 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
116 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
117 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
118 strcpy(signature_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
119 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
120 case 'v':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
121 verbose = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
122 if (verbose < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
123 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
124 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
125 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
126 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
127 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
128 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
129
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
130 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
131 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
132
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
133 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
134 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
135 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
136 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
137
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
138 if (argc == 1 && *argv[0] != '-')
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
139 if ((in = fopen(argv[0], "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
140 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
141 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
142 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
143 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
144 strcpy(input_name, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
145
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
146 if (!orig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147 fprintf(stderr, "%s: original image file not specified, use -i file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
148 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
149 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
151 if (sig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
152 char line[32];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153 fgets(line, sizeof(line), sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
154 if (strspn(line, "CVSG") >= 4) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
155 fscanf(sig, "%d\n", &n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
156 if (alpha == 0.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
157 fscanf(sig, "%lf\n", &alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
158 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
159 fscanf(sig, "%*lf\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
160 if (method < 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
161 fscanf(sig, "%d\n", &method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
162 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
163 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
164 if (filter == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
165 fscanf(sig, "%d\n", &filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
166 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
167 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
168 if (!strcmp(filter_name, ""))
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
169 fscanf(sig, "%[^\n\r]\n", &filter_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
170 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
171 fscanf(sig, "%*[^\n\r]\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
172 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
173 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
174 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
175 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
176 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
177 fclose(sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
178 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
179 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
180 fprintf(stderr, "%s: signature file not specified, use -s 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 pgm_readpgminit(in, &in_cols, &in_rows, &in_maxval, &in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
185 pgm_readpgminit(orig, &orig_cols, &orig_rows, &orig_maxval, &orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
186
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
187 if (in_cols != orig_cols || in_rows != orig_rows) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
188 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
189 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
190 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
191
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
192 cols = in_cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
193 rows = in_rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
194
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
195 input_image = pgm_allocarray(in_cols, in_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
196
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
197 orig_image = pgm_allocarray(orig_cols, orig_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
198
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
199 for (row = 0; row < in_rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
200 pgm_readpgmrow(in, input_image[row], in_cols, in_maxval, in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
201
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
202 fclose(in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
203
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
204 for (row = 0; row < orig_rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
205 pgm_readpgmrow(orig, orig_image[row], orig_cols, orig_maxval, orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
206
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
207 fclose(orig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
208
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
209 level = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
210 row = rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
211 col = cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
212 while (n < row * col / 4.0 && row >= 2 && col >= 2) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
213 row /= 2;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
214 col /= 2;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
215 level++;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
216 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
217
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
218 if (verbose >= 2) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
219 fprintf(stderr, "%s: extracting from coarse image (x %d/y %d) at level %d\n", progname, col, row, level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
220 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
221
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
222 init_dwt(cols, rows, filter_name, filter, level, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
223 #ifdef POLLEN_STUFF
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
224 #include "pollen_stuff.c"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
225 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
226 #ifdef PARAM_STUFF
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
227 #include "param_stuff.c"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
228 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
229
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
230 input_dwts = fdwt(input_image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
231 orig_dwts = fdwt(orig_image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
232
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
233 fprintf(out, "CVWM\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
234 fprintf(out, "%d\n", n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
235
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
236 {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
237 Image_tree p = input_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
238 Image_tree q = orig_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
239 Image input_img;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
240 Image orig_img;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
241 double input_med;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
242 double orig_med;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
243 double input_var;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
244 double orig_var;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
245
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
246 while (!p->image)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
247 p = p->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
248
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
249 while (!q->image)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
250 q = q->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
251
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
252 input_img = p->image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
253 orig_img = q->image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
254
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
255 input_med = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
256 for (row = 0; row < input_img->height; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
257 for (col = 0; col < input_img->width; col++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
258 input_med += get_pixel(input_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
259 input_med /= (double) (input_img->height * input_img->width);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
260
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
261 orig_med = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
262 for (row = 0; row < orig_img->height; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
263 for (col = 0; col < orig_img->width; col++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
264 orig_med += get_pixel(orig_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
265 orig_med /= (double) (orig_img->height * orig_img->width);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
266
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
267 orig_var = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
268 for (row = 0; row < orig_img->height; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
269 for (col = 0; col < orig_img->width; col++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
270 orig_var += sqr(get_pixel(orig_img, col, row) - orig_med);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
271 orig_var /= (double) (orig_img->height * orig_img->width);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
272
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
273 input_var = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
274 for (row = 0; row < input_img->height; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
275 for (col = 0; col < input_img->width; col++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
276 input_var += sqr(get_pixel(input_img, col, row) - input_med);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
277 input_var /= (double) (input_img->height * input_img->width);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
278
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
279 orig_var = sqrt(orig_var);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
280 input_var = sqrt(input_var);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
281
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
282 if (verbose > 3)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
283 fprintf(stderr, "%s: mean (input, orig): %f, %f,\n variance (input, orig): %f, %f\n", progname, input_med, orig_med, input_var, orig_var);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
284
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
285 row = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
286 col = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
287 while (n > 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
288 double input_pix;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
289 double orig_pix;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
290 double x;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
291
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
292 input_pix = get_pixel(input_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
293 orig_pix = get_pixel(orig_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
294
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
295 x = (((input_pix - input_med) * (orig_var / input_var) - (orig_pix / orig_med)) / (orig_pix - orig_med) - 1.0) / alpha;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
296
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
297 fprintf(out, "%f\n", x);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
298
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
299 if (++col == orig_img->width) { col = 0; row++; }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
300 n--;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
301 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
302 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
303
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
304 fclose(out);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
305
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
306 pgm_freearray(input_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
307 pgm_freearray(orig_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
308
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
309 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
310 }

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