annotate Meerwald/cmp_pgm.c @ 22:d8551fb39a5e default tip

Added tag v0.6 for changeset 1c4ccd635a68
author Peter Meerwald-Stadler <pmeerw@pmeerw.net>
date Sat, 28 Jan 2023 23:57:51 +0100
parents bd669312f068
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:
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) {
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
7 fprintf(stderr, "usage: %s [-C] [-h] [-m n] [-o file] [-pP] -i file file\n\n", progname);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
8 fprintf(stderr, "\t-C\t\tprint PSNR value only\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
9 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
10 fprintf(stderr, "\t-i file\t\toriginal image file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
11 fprintf(stderr, "\t-m n\t\tmultiplication factor (default auto)\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
12 fprintf(stderr, "\t-o file\t\toutput file for difference image\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
13 fprintf(stderr, "\t-p\t\tprint PSNR, RMS and MSE\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
14 fprintf(stderr, "\t-P\t\tonly print PSNR, RMS and MSE, no difference image\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
15 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
16 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
18 int main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
19
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
20 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
21 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
22 FILE *orig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
23
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
24 gray **input_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
25 gray **orig_image;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
26
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
27 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
28 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
29 char orig_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
30
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
31 int in_cols, in_rows, in_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
32 gray in_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
33 int orig_cols, orig_rows, orig_format;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
34 gray orig_maxval;
20
bd669312f068 suppress warnings, fix link errors
Peter Meerwald-Stadler <pmeerw@pmeerw.net>
parents: 8
diff changeset
35 int cols, rows;
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
36 gray maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
37 int col, row;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
38
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
39 int c;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
40
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
41 int m = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
42 int min, max;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
43
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
44 int print_psnr = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
45 int print_psnr_only = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
46 int print_psnr_value_only = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
47 double error = 0.0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
48
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
49 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
50
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
51 pgm_init(&argc, argv); wm_init();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
52
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
53 while ((c = getopt(argc, argv, "h?i:m:o:pPC")) != EOF) {
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
54 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
55 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
56 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
57 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
58 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
59 case 'i':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
60 if ((orig = fopen(optarg, "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
61 fprintf(stderr, "%s: unable to open original image file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
62 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
63 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
64 strcpy(orig_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
65 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
66 case 'm':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
67 m = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
68 if (m <= 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
69 fprintf(stderr, "%s: multiplication factor %d out of range\n", progname, m);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
70 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
71 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
72 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
73 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
74 if ((out = fopen(optarg, "wb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
75 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
76 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
77 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
78 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
79 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
80 case 'p':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
81 print_psnr = 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
82 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
83 case 'P':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
84 print_psnr_only = 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
85 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
86 case 'C':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
87 print_psnr_value_only = 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
88 print_psnr_only = 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
89 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
90 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
91 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
92
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
93 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
94 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
95
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
96 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
97 usage();
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
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
diff changeset
101 if (argc == 1 && *argv[0] != '-') {
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
102 if ((in = fopen(argv[0], "rb")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
103 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
104 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
105 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
106 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
107 strcpy(input_name, argv[0]);
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
diff changeset
108 }
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 3
diff changeset
109
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
110 if (!orig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
111 fprintf(stderr, "%s: original image file not specified, use -i file option\n", progname);
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
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
115 pgm_readpgminit(in, &in_cols, &in_rows, &in_maxval, &in_format);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
116
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
117 pgm_readpgminit(orig, &orig_cols, &orig_rows, &orig_maxval, &orig_format);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
118
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
119 if (in_cols != orig_cols || in_rows != orig_rows) {
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
120 fprintf(stderr, "%s: input image %s does not match dimensions of original image %s\n", progname, input_name, orig_name);
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
121 exit(1);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
122 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
123
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
124 cols = in_cols;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
125 rows = in_rows;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
126 maxval = in_maxval;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
127
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
128 input_image = pgm_allocarray(cols, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
129 orig_image = pgm_allocarray(cols, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
130
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
131 for (row = 0; row < rows; row++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
132 pgm_readpgmrow(in, input_image[row], cols, in_maxval, in_format);
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
133 pgm_readpgmrow(orig, orig_image[row], cols, orig_maxval, orig_format);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
134 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
135
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
136 fclose(in);
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
137 fclose(orig);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
138
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
139 min = max = abs(input_image[0][0] - orig_image[0][0]);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
140
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
141 for (row = 0; row < rows; row++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
142 gray *pi = input_image[row];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
143 gray *po = orig_image[row];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
144
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
145 for (col = 0; col < cols; col++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
146 int diff = abs(*pi - *po);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147 error += sqr(diff);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
148 if (diff < min) min = diff;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
149 if (diff > max) max = diff;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
151 pi++;
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
152 po++;
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
154 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
155
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
156 for (row = 0; row < rows; row++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
157 gray *pi = input_image[row];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
158 gray *po = orig_image[row];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
159
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
160 for (col = 0; col < cols; col++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
161 int diff = abs(*pi - *po);
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
162 if (m > 0)
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
163 *pi = PIXELRANGE(diff * m);
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
164 else
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
165 *pi = PIXELRANGE((double) (diff - min) / (double) (max - min) * maxval);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
166
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
167 pi++;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
168 po++;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
169 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
170 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
171
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
172 if (!print_psnr_only) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
173 pgm_writepgminit(out, cols, rows, maxval, 0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
174 for (row = 0; row < rows; row++)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
175 pgm_writepgmrow(out, input_image[row], cols, maxval, 0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
176
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
177 fclose(out);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
178 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
179
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
180 pgm_freearray(input_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
181 pgm_freearray(orig_image, rows);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
182
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
183 if (print_psnr || print_psnr_only) {
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
184 double mse = error / (double) (cols * rows);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
185 double rmse = sqrt(mse);
3
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
186 double psnr = 20.0 * log(255.0 / rmse) / log(10.0);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
187 FILE *print = print_psnr_only ? out : stderr;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
188 if (!print_psnr_value_only) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
189 if (mse > 0.0)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
190 fprintf(print, "PSNR: %lf dB\n", psnr);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
191 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
192 fprintf(print, "PSNR: inf\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
193 fprintf(print, "RMSE: %lf\n", rmse);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
194 fprintf(print, "MSE: %lf\n", mse);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
195 fprintf(print, "dmin, dmax: %d, %d\n", min, max);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
196 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
197 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
198 fprintf(print, "%lf\n", mse > 0.0 ? psnr : 100.0);
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 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
202 }

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