annotate Meerwald/wm_corvi_s.c @ 3:acb6967ee76d

update to 0.5
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Tue, 14 Aug 2007 21:11:21 +0200
parents be303a3f5ea8
children ad1d224896c5
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 "wm_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
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
5 char *progname;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
6
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
7 void usage(void) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
8 fprintf(stderr, "usage: %s [-a n] [-h] [-n n] [-o file] [-q n] [-s file] [-v n] -i file file\n\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
9 fprintf(stderr, "\t-a n\t\talpha factor\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
10 fprintf(stderr, "\t-e n\t\twavelet filtering method\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
11 fprintf(stderr, "\t-f n\t\tfilter number\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
12 fprintf(stderr, "\t-F file\t\tfilter definition file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
13 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
14 fprintf(stderr, "\t-i file\t\toriginal image file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
15 fprintf(stderr, "\t-n n\t\twatermark length\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
16 fprintf(stderr, "\t-o file\t\textracted signature file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
17 fprintf(stderr, "\t-q n\t\tquantization/quality factor\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 main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
24
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
25 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
26 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
27 FILE *orig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
28 FILE *sig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
29
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
30 gray **input_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
31 gray **orig_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
32
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
33 char signature_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
34 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
35 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
36 char orig_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
37
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
38 int c;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
39 int i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
40 int quantization = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
41 int n = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
42 int method = -1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
43 int filter = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
44 char filter_name[MAXPATHLEN] = "";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
45
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
46 int level;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
47 double alpha = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
48
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
49 int in_rows, in_cols, in_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
50 gray in_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
51 int orig_rows, orig_cols, orig_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
52 gray orig_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
53 int rows, cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
54 int row, col;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
55
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
56 Image_tree input_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
57 Image_tree orig_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
58
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
59 int verbose = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
60
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
61 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
62
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
63 pgm_init(&argc, argv); wm_init2();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
64
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
65 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
66 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
67 case 'a':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
68 alpha = atof(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
69 if (alpha <= 0.0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
70 fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
71 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
72 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
73 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
74 case 'e':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
75 method = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
76 if (method < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
77 fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
78 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
79 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
80 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
81 case 'f':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
82 filter = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
83 if (filter <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
84 fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
85 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
86 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
87 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
88 case 'F':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
89 strcpy(filter_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
90 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
91 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
92 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
93 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
94 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
95 case 'i':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
96 if ((orig = fopen(optarg, "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
97 fprintf(stderr, "%s: unable to open original image file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
98 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
99 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
100 strcpy(orig_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
101 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
102 case 'n':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
103 n = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
104 if (n < 1 || n > 1000) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
105 fprintf(stderr, "%s: watermark length %d out of range\n", progname, n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
106 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
107 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
108 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
109 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
110 if ((out = fopen(optarg, "w")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
111 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
112 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
113 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
114 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
115 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
116 case 's':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
117 if ((sig = fopen(optarg, "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
118 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
119 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
120 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
121 strcpy(signature_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
122 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
123 case 'v':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
124 verbose = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
125 if (verbose < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
126 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
127 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
128 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
129 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
130 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
131 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
132
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
133 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
134 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
135
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
136 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
137 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
138 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
139 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
140
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
141 if (argc == 1 && *argv[0] != '-')
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
142 if ((in = fopen(argv[0], "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
143 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
144 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
145 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
146 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147 strcpy(input_name, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
148
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
149 if (!orig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150 fprintf(stderr, "%s: original image file not specified, use -i file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
151 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
152 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
154 if (sig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
155 char line[32];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
156 fgets(line, sizeof(line), sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
157 if (strspn(line, "CVSG") >= 4) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
158 fscanf(sig, "%d\n", &n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
159 if (alpha == 0.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
160 fscanf(sig, "%lf\n", &alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
161 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
162 fscanf(sig, "%*lf\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
163 if (quantization == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
164 fscanf(sig, "%d\n", &quantization);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
165 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
166 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
167 if (method < 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
168 fscanf(sig, "%d\n", &method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
169 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
170 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
171 if (filter == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
172 fscanf(sig, "%d\n", &filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
173 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
174 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
175 if (!strcmp(filter_name, ""))
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
176 fscanf(sig, "%[^\n\r]\n", &filter_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
177 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
178 fscanf(sig, "%*[^\n\r]\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
179 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
180 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
181 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
182 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
183 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
184 fclose(sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
185 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
186 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
187 fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
188 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
189 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
190
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
191 pgm_readpgminit(in, &in_cols, &in_rows, &in_maxval, &in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
192 pgm_readpgminit(orig, &orig_cols, &orig_rows, &orig_maxval, &orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
193
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
194 if (in_cols != orig_cols || in_rows != orig_rows) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
195 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
196 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
197 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
198
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
199 cols = in_cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
200 rows = in_rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
201
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
202 input_image = pgm_allocarray(in_cols, in_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
203
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
204 orig_image = pgm_allocarray(orig_cols, orig_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
205
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
206 for (row = 0; row < in_rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
207 pgm_readpgmrow(in, input_image[row], in_cols, in_maxval, in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
208
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
209 fclose(in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
210
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
211 for (row = 0; row < orig_rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
212 pgm_readpgmrow(orig, orig_image[row], orig_cols, orig_maxval, orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
213
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
214 fclose(orig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
215
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
216 level = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
217 row = rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
218 col = cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
219 while (n < row * col / 4.0 && row >= 2 && col >= 2) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
220 row /= 2;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
221 col /= 2;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
222 level++;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
223 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
224
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
225 if (verbose >= 2) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
226 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
227 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
228
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
229 init_dwt(cols, rows, filter_name, filter, level, method);
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, "CVSG\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 fprintf(out, "%f\n", alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
236 fprintf(out, "%d\n", quantization);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
237 fprintf(out, "%d\n", method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
238 fprintf(out, "%d\n", filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
239 fprintf(out, "%s\n", filter_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
240
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
241 {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
242 Image_tree p = input_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
243 Image_tree q = orig_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
244 Image input_img;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
245 Image orig_img;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
246 double input_med;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
247 double orig_med;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
248
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
249 while (!p->image)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
250 p = p->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
251
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
252 while (!q->image)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
253 q = q->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
254
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
255 input_img = p->image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
256 orig_img = q->image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
257
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
258 input_med = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
259 for (row = 0; row < input_img->height; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
260 for (col = 0; col < input_img->width; col++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
261 input_med += get_pixel(input_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
262 input_med /= input_img->height * input_img->width;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
263
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
264 orig_med = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
265 for (row = 0; row < orig_img->height; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
266 for (col = 0; col < orig_img->width; col++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
267 orig_med += get_pixel(orig_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
268 orig_med /= orig_img->height * orig_img->width;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
269
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
270 row = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
271 col = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
272 while (n > 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
273 Pixel input_pix;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
274 Pixel orig_pix;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
275 double x;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
276
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
277 input_pix = get_pixel(input_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
278 orig_pix = get_pixel(orig_img, col, row);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
279
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
280 x = ((input_pix - orig_pix) / (orig_pix - orig_med)) / alpha;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
281
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
282 fprintf(out, "%f\n", x);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
283
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
284 if (++col == orig_img->width) { col = 0; row++; }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
285 n--;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
286 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
287 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
288
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
289 fclose(out);
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.