annotate Meerwald/wm_xia_e.c @ 10:aa7b4c3a7313

add cmp_ppm
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Thu, 01 May 2008 18:15:14 +0200
parents f83ef905a63d
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:
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2 #include "dwt.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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3 #include "pgm.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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4 #include "dwt_util.h"
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 n] [-h] [-l n] [-o file] [-v n] -s 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/embedding strength\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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11 fprintf(stderr, "\t-e n\t\twavelet filtering method\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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12 fprintf(stderr, "\t-f n\t\tfilter number\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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13 fprintf(stderr, "\t-F file\t\tfilter definition file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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14 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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15 fprintf(stderr, "\t-l n\t\tdecomposition level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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16 fprintf(stderr, "\t-o file\t\toutput (watermarked) file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
17 fprintf(stderr, "\t-s file\t\tsignature to embed in input image\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
18 fprintf(stderr, "\t-v n\t\tverbosity level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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19 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
20 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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21
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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22 void mark_subband(Image_tree s, int name, double alpha, double watermark[], int n, int verbose) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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23 int i, j;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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24 int w;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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25
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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26 w = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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27 for (i = 5; i < s->image->height-5; i++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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28 for (j = 5; j < s->image->width-5; j++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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29 double coeff, newcoeff;
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 coeff = get_pixel(s->image, i, j);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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32 if (fabs(coeff) > 20.0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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33 newcoeff = coeff + alpha * pow(fabs(coeff), 1.2) * watermark[w++ % n];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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34 set_pixel(s->image, i, j, newcoeff);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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35 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
36 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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37
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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38 if (verbose > 3)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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39 fprintf(stderr, "%s: watermarking %s%d, size %d x %d; embedded %d coeffs.\n",
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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40 progname, subband_name(name), s->level, s->image->width, s->image->height, w);
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
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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43 int main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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44
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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45 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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46 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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47 FILE *sig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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48
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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49 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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50 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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51 char signature_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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52
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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53 int i, c;
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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54 int row;
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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55
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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56 int n;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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57
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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58 double alpha = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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59 int level = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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60
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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61 int filter = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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62 int method = -1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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63 int levels;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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64 char filter_name[MAXPATHLEN] = "";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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65
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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66 int verbose = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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67
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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68 gray **image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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69 Image_tree p, dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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70
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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71 gray maxval;
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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72 int rows, cols, format;
0
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 double *watermark;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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75
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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76 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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77
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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78 pgm_init(&argc, argv); wm_init();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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79
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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80 while ((c = getopt(argc, argv, "a:e:f:F:h?o:l:s:v:")) != EOF) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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81 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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82 case 'a':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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83 alpha = atof(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
84 if (alpha <= 0.0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
85 fprintf(stderr, "%s: alpha factor %f out of range\n", progname, alpha);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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86 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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87 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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88 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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89 case 'l':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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90 level = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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91 if (level <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
92 fprintf(stderr, "%s: decomposition level %d out of range\n", progname, level);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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93 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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94 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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95 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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96 case 'e':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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97 method = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
98 if (method < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
99 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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100 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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101 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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102 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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103 case 'f':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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104 filter = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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105 if (filter <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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106 fprintf(stderr, "%s: filter number %d out of range\n", progname, filter);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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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 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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110 case 'F':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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111 strcpy(filter_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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112 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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113 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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114 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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115 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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116 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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117 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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118 if ((out = fopen(optarg, "wb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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119 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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120 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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121 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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122 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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123 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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124 case 's':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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125 if ((sig = fopen(optarg, "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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126 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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127 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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128 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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129 strcpy(signature_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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130 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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131 case 'v':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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132 verbose = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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133 if (verbose < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
134 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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135 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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136 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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137 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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138 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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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>
parents:
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141 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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142 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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143
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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144 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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145 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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146 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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148
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
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149 if (argc == 1 && *argv[0] != '-') {
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150 if ((in = fopen(argv[0], "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
151 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
152 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
154 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
155 strcpy(input_name, argv[0]);
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
diff changeset
156 }
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
diff changeset
157
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
158 if (sig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
159 char line[32];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
160 fgets(line, sizeof(line), sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
161 if (strspn(line, "XASG") >= 4) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
162 fscanf(sig, "%d\n", &n);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
163 if (alpha == 0.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
164 fscanf(sig, "%lf\n", &alpha);
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, "%*lf\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
167 if (level == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
168 fscanf(sig, "%d\n", &level);
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 (method < 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
172 fscanf(sig, "%d\n", &method);
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 (filter == 0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
176 fscanf(sig, "%d\n", &filter);
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, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
179 if (!strcmp(filter_name, ""))
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
180 fscanf(sig, "%[^\n\r]\n", &filter_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
181 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
182 fscanf(sig, "%*[^\n\r]\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
183 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
184 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
185 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
186 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
187 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
188 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
189 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
190 fprintf(stderr, "%s: signature file not specified, use -s file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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191 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
192 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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193
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
194 watermark = malloc(n * sizeof(double));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
195 for (i = 0; i < n; i++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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196 fscanf(sig, "%lf\n", &watermark[i]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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197 fclose(sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
198
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
199 pgm_readpgminit(in, &cols, &rows, &maxval, &format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
200 image = pgm_allocarray(cols, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
201 for (row = 0; row < rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
202 pgm_readpgmrow(in, image[row], cols, maxval, format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
203 fclose(in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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204
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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205 // complete decomposition
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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206 levels = find_deepest_level(cols, rows) - 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
207 if (level > levels) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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208 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
209 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
210 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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211
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
212 // wavelet transform
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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213 init_dwt(cols, rows, filter_name, filter, level, method);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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214 #ifdef POLLEN_STUFF
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
215 #include "pollen_stuff.c"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
216 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
217 #ifdef PARAM_STUFF
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
218 #include "param_stuff.c"
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
219 #endif
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
220
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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221 dwts = fdwt(image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
222
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
223 p = dwts;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
224 while (p->coarse) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
225
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
226 mark_subband(p->horizontal, HORIZONTAL, alpha, watermark, n, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
227 mark_subband(p->vertical, VERTICAL, alpha, watermark, n, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
228 mark_subband(p->diagonal, DIAGONAL, alpha, watermark, n, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
229
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
230 p = p->coarse;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
231 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
232
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
233 free(watermark);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
234 idwt(dwts, image);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
235
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
236 pgm_writepgminit(out, cols, rows, maxval, 0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
237 for (row = 0; row < rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
238 pgm_writepgmrow(out, image[row], cols, maxval, 0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
239 fclose(out);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
240
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
241 pgm_freearray(image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
242
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
243 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
244 }

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