annotate Meerwald/wm_zhu_d.c @ 18:3bdb67e76858

mse opt.
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 30 Jan 2009 12:46:49 +0100
parents 4987db85cfae
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 #include "wm.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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2 #include "dwt.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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3 #include "pgm.h"
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f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
diff changeset
4 #include "sort.h"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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6 char *progname;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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7
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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8 void usage(void) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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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:
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10 fprintf(stderr, "\t-a n\t\talpha factor\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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11 fprintf(stderr, "\t-b n\t\tbeta factor\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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12 fprintf(stderr, "\t-e n\t\twavelet filtering method\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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13 fprintf(stderr, "\t-f n\t\tfilter number\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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14 fprintf(stderr, "\t-F file\t\tfilter definition file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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15 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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16 fprintf(stderr, "\t-i file\t\toriginal image file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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17 fprintf(stderr, "\t-l n\t\tdecomposition level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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18 fprintf(stderr, "\t-o file\t\tfile for extracted watermark\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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19 fprintf(stderr, "\t-s file\t\toriginal signature file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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20 fprintf(stderr, "\t-v n\t\tverbosity level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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21 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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22 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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23
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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24 void write_mark(FILE *out, double watermark[], int n) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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25 int i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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26
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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27 fprintf(out, "%d\n", n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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28 for (i = 0; i < n; i++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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29 fprintf(out, "%f\n", watermark[i]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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30 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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31
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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32 int main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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33
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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34 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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35 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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36 FILE *orig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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37 FILE *sig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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38
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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39 gray **input_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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40 gray **orig_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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41
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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42 char signature_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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43 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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44 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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45 char orig_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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46
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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47 int c, w;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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48 int i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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49 int n = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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50 int method = -1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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51 int filter = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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52 char filter_name[MAXPATHLEN] = "";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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53
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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54 int level = 0, levels;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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55 double alpha = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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56
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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57 int in_rows, in_cols, in_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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58 gray in_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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59 int orig_rows, orig_cols, orig_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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60 gray orig_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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61 int rows, cols;
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f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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62 int row;
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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63
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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64 double *watermark;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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65
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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66 Image_tree input_dwts, orig_dwts, p, q;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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67
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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68 int verbose = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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69
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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70 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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71
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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72 pgm_init(&argc, argv); wm_init2();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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73
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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74 while ((c = getopt(argc, argv, "a:e:f:F:h?i:l:o:s:v:")) != EOF) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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75 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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76 case 'a':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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77 alpha = atof(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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78 if (alpha <= 0.0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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79 fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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80 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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81 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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82 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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83 case 'e':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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84 method = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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85 if (method < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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86 fprintf(stderr, "%s: wavelet filtering method %d out of range\n", progname, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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87 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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88 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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89 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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90 case 'f':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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91 filter = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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92 if (filter <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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93 fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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94 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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95 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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96 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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97 case 'F':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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98 strcpy(filter_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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99 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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100 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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101 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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102 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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103 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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104 case 'i':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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105 if ((orig = fopen(optarg, "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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106 fprintf(stderr, "%s: unable to open original image file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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107 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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108 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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109 strcpy(orig_name, optarg);
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110 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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111 case 'l':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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112 level = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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113 if (level <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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114 fprintf(stderr, "%s: decomposition level %d out of range\n", progname, level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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115 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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116 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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117 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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118 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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119 if ((out = fopen(optarg, "w")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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120 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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121 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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122 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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123 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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124 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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125 case 's':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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126 if ((sig = fopen(optarg, "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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127 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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128 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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129 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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130 strcpy(signature_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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131 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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132 case 'v':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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133 verbose = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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134 if (verbose < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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135 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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136 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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137 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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138 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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139 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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140 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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141
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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142 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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143 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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144
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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145 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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146 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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147 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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148 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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149
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f83ef905a63d fixing many warnings
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150 if (argc == 1 && *argv[0] != '-') {
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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151 if ((in = fopen(argv[0], "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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152 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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153 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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154 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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155 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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156 strcpy(input_name, argv[0]);
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f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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157 }
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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158
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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159 if (!orig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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160 fprintf(stderr, "%s: original image file not specified, use -i file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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161 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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162 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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163
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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164 if (sig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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165 char line[32];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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166 fgets(line, sizeof(line), sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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167 if (strspn(line, "ZHSG") >= 4) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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168 fscanf(sig, "%d\n", &n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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169 if (alpha == 0.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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170 fscanf(sig, "%lf\n", &alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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171 else
16
4987db85cfae fix another scanf() warning
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 15
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172 fscanf(sig, "%*f\n");
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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173 if (level == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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174 fscanf(sig, "%d\n", &level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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175 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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176 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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177 if (method < 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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178 fscanf(sig, "%d\n", &method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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179 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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180 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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181 if (filter == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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182 fscanf(sig, "%d\n", &filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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183 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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184 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
185 if (!strcmp(filter_name, ""))
15
ad1d224896c5 fix scanf() warning
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 8
diff changeset
186 fscanf(sig, "%[^\n\r]\n", filter_name);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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187 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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188 fscanf(sig, "%*[^\n\r]\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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189 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
190 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
191 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
192 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
193 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
194 fclose(sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
195 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
196 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
197 fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
198 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
199 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
200
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
201 pgm_readpgminit(in, &in_cols, &in_rows, &in_maxval, &in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
202 pgm_readpgminit(orig, &orig_cols, &orig_rows, &orig_maxval, &orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
203
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
204 if (in_cols != orig_cols || in_rows != orig_rows) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
205 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
206 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
207 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
208
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
209 cols = in_cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
210 rows = in_rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
211
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
212 input_image = pgm_allocarray(in_cols, in_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
213 orig_image = pgm_allocarray(orig_cols, orig_rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
214
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
215 for (row = 0; row < in_rows; row++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
216 pgm_readpgmrow(in, input_image[row], in_cols, in_maxval, in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
217 pgm_readpgmrow(orig, orig_image[row], orig_cols, orig_maxval, orig_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
218 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
219
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
220 fclose(in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
221 fclose(orig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
222
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
223 // complete decomposition
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
224 levels = find_deepest_level(cols, rows) - 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
225 if (level > levels) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
226 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
227 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
228 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
229
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
230 init_dwt(cols, rows, filter_name, filter, levels, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
231 #ifdef POLLEN_STUFF
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
232 #include "pollen_stuff.c"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
233 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
234 #ifdef PARAM_STUFF
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
235 #include "param_stuff.c"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
236 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
237
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
238 input_dwts = fdwt(input_image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
239 orig_dwts = fdwt(orig_image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
240
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
241 watermark = malloc(n * sizeof(double));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
242 if (!watermark) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
243 fprintf(stderr, "%s: malloc() failed\n\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
244 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
245 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
246
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
247 fprintf(out, "ZHWM\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
248 fprintf(out, "%d\n", n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
249 fprintf(out, "%d\n", level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
250
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
251 p = input_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
252 q = orig_dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
253 while (p->coarse && q->coarse) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
254 double *collected_coeffs, *largest;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
255 int subband_size = q->horizontal->image->size;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
256 int maxselect = MIN(3 * subband_size, n + 1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
257 double threshold;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
258
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
259 collected_coeffs = malloc(3 * subband_size * sizeof(double));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
260 if (!collected_coeffs) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
261 fprintf(stderr, "%s: malloc() failed\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
262 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
263 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
264
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
265 for (i = 0; i < subband_size; i++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
266 collected_coeffs[3 * i + 0] = q->horizontal->image->data[i];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
267 collected_coeffs[3 * i + 1] = q->vertical->image->data[i];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
268 collected_coeffs[3 * i + 2] = q->diagonal->image->data[i];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
269 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
270
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
271 largest = malloc(maxselect * sizeof(double));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
272 if (!largest) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
273 fprintf(stderr, "%s: malloc() failed\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
274 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
275 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
276
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
277 select_largest_coeffs(collected_coeffs, 3 * subband_size, maxselect, largest);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
278 threshold = largest[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
279 free(largest);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
280 free(collected_coeffs);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
281
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
282 w = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
283 for (i = 0; i < subband_size && w < n; i++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
284 if (q->horizontal->image->data[i] > threshold)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
285 watermark[w++] = (p->horizontal->image->data[i] / q->horizontal->image->data[i] - 1.0) / alpha;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
286 if (q->vertical->image->data[i] > threshold)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
287 watermark[w++] = (p->vertical->image->data[i] / q->vertical->image->data[i] - 1.0) / alpha;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
288 if (q->diagonal->image->data[i] > threshold)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
289 watermark[w++] = (p->diagonal->image->data[i] / q->diagonal->image->data[i] - 1.0) / alpha;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
290 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
291
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
292 write_mark(out, watermark, w);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
293
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
294 p = p->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
295 q = q->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
296 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
297
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
298 fclose(out);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
299
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
300 free(watermark);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
301
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
302 pgm_freearray(input_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
303 pgm_freearray(orig_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
304
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
305 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
306 }

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