圖片隱藏
摘要 : 將一張圖片藏入另一張圖片裡面，被藏入的圖片大小必須是原圖片的一半以下
1 /*
2 (c++) mysterywho
3 compiler : VC2008
4 description : 將圖片藏入另一張圖片中
5 date : 15/1/2008
6 */
7
8 #include <iostream>
9 #include <fstream>
10 #include <math.h>
11 //cover圖大小
12 #define SIZE1 512
13 #define SIZE2 512
14 //secret圖大小
15 #define SIZE3 256
16 #define SIZE4 512
17
18 using namespace std;
19
20
21 unsigned char header[54], palette[1024];
22 unsigned char raw_image[SIZE1*SIZE2*3];
23 unsigned char raw_image1[SIZE3*SIZE4*3];
24 unsigned char image[SIZE1/2][SIZE2];
25 unsigned char image1[SIZE3][SIZE4];
26 unsigned char coverdifferent[SIZE1/2*SIZE2];
27 unsigned char initial[SIZE1/2*SIZE2];
28 unsigned char secretdifferent[SIZE3*SIZE4];
29 unsigned char table[SIZE1/2*SIZE2];
30 unsigned char table1[SIZE3*SIZE4];
31 unsigned char stego[SIZE1*SIZE2];
32
33 void readfile();
34 void writetofile();
35 void readfile1();
36 void writetofile1();
37 void relativepositions();
38 void readfile2();
39 void writetofile2();
40 void inverse();
41 void readfile3();
42 void writetofile3();
43 void readfile4();
44 void readfile41();
45 void writetofile4();
46
47
48 int main()
49 {
50
51
52 // 讀cover image
53 readfile();
54 writetofile();
55
56 // 讀secret image
57 readfile1();
58 writetofile1();
59
60 //將secretimage的點藏入coverimage
61 relativepositions();
62
63
64 //寫embedding result
65 readfile2();
66 writetofile2();
67 //將藏進去後所得的圖計算出來
68 inverse();
69
70 //得到stego-image
71 readfile3();
72 writetofile3();
73
74 //抽出藏入圖片
75 if(SIZE3*SIZE4==256*256){
76 readfile4();
77 }
78 else
79 readfile41();
80
81 writetofile4();
82
83 system("pause");
84
85 return 0;
86 }
87
88 void readfile()
89 {
90 FILE *fin = fopen("10.bmp", "rb");
91 int i, j, t;
92
93
94 if (fin == NULL) {
95 printf("Error: The file doesn't exist !\n");
96 exit(0);
97 }
98
99 // 讀 bmp 灰階標頭檔
100 fread(header, 54, 1, fin);
101 fread(palette, 1024, 1, fin);
102 // 讀 bmp 影像資料
103 fread(raw_image, 1, SIZE1*SIZE2*3, fin);
104
105
106
107
108 for ( t=0,i=0; i< SIZE1/2; i++) {
109 for (j=0; j< SIZE2; j++) {
110
111 image[i][j] = raw_image[t + 3] - raw_image[t] + 128;
112 t = t + 6;
113 }
114 }
115
116 fclose(fin);
117 }
118
119
120
121
122 void writetofile()
123 {
124 int i, j,t;
125
126 FILE *fout = fopen("coverdiff.bmp", "wb");
127
128 long file_size = (long)SIZE1/2 *SIZE2 * 3 + 54;
129 header[2] = (unsigned char)(file_size &0x000000ff);
130 header[3] = (file_size >> 8) & 0x000000ff;
131 header[4] = (file_size >> 16) & 0x000000ff;
132 header[5] = (file_size >> 24) & 0x000000ff;
133
134 long width = SIZE1/2;
135 header[18] = width & 0x000000ff;
136 header[19] = (width >> 8) &0x000000ff;
137 header[20] = (width >> 16) &0x000000ff;
138 header[21] = (width >> 24) &0x000000ff;
139
140 long height = SIZE2;
141 header[22] = height &0x000000ff;
142 header[23] = (height >> 8) &0x000000ff;
143 header[24] = (height >> 16) &0x000000ff;
144 header[25] = (height >> 24) &0x000000ff;
145
146 fwrite(header, 54, 1, fout);
147 fwrite(palette, 1024, 1, fout);
148
149
150 for (t=0,i=0; i< SIZE1/2; i++) {
151 for (j=0; j< SIZE2; j++) {
152 //將coverimage different點的值存入
153 coverdifferent[t] = image[i][j];
154 //將coverimage different點的值存入
155 initial[t] = image[i][j];
156
157 fwrite(&image[i][j], 1, 1, fout);
158 fwrite(&image[i][j], 1, 1, fout);
159 fwrite(&image[i][j], 1, 1, fout);
160 t++;
161
162 }
163 }
164
165 fclose(fout);
166 }
167
168
169
170
171
172 void readfile1()
173 {
174 FILE *fin = fopen("07.bmp", "rb");
175 int i, j, t;
176
177
178 if (fin == NULL) {
179 printf("Error: The file doesn't exist !\n");
180 exit(0);
181 }
182
183 // 讀 bmp 灰階標頭檔
184 fread(header, 54, 1, fin);
185 fread(palette, 1024, 1, fin);
186 // 讀 bmp 影像資料
187 fread(raw_image1, 1, SIZE3*SIZE4*3, fin);
188
189
190
191 for (t=0, i=0; i< SIZE3; i++) {
192 for (j=0; j< SIZE4; j++) {
193
194 image1[i][j] = raw_image1[t+3] - raw_image1[t] + 128;
195 t=t+3;
196 }
197 }
198
199 fclose(fin);
200 }
201
202 void writetofile1()
203 {
204
205 int i, j, t;
206
207 FILE *fout = fopen("secretdiff.bmp", "wb");
208
209
210 fwrite(header, 54, 1, fout);
211 fwrite(palette, 1024, 1, fout);
212
213 for (t=0,i=0; i< SIZE3; i++) {
214 for (j=0; j< SIZE4; j++) {
215 //將secretdifferent值存入
216 secretdifferent[t] = image1[i][j];
217 fwrite(&image1[i][j], 1, 1, fout);
218 fwrite(&image1[i][j], 1, 1, fout);
219 fwrite(&image1[i][j], 1, 1, fout);
220 t++;
221 }
222 }
223
224 fclose(fout);
225 }
226
227
228 void relativepositions()
229 {
230 int i,j;
231 int m,count;
232
233
234 for(i=0;i<SIZE1/2*SIZE2;i++){
235 //紀錄coverdiff的點是否被替換過
236 table[i]=0;
237 }
238
239
240 for(i=0;i<SIZE3*SIZE4;i++){
241 //紀錄secretdiff的點是否已經藏進去
242 table1[i]=0;
243 }
244
245
246 for(count=0,i=0;i< SIZE3*SIZE4;i++ ){
247 for(j=0;j<SIZE1/2*SIZE2;j++){
248 if(table[j]==0){
249 if( abs(secretdifferent[i] - coverdifferent[j]) < 5 ){
250 coverdifferent[j] = secretdifferent[i];
251 table[j] = 1;
252 table1[i] = 1;
253 count=count+1;
254 break;
255 }
256 }
257
258 }
259
260 }
261
262
263
264 m=0;
265 while(count< SIZE3*SIZE4){
266 for(i=0;i< SIZE3*SIZE4;i++ ){
267 if(table1[i]==0){
268 for(j=0;j<SIZE1/2*SIZE2;j++){
269 if(table[j]==0){
270 if( abs(secretdifferent[i] - coverdifferent[j]) < (m*5+10) ){
271 coverdifferent[j] = secretdifferent[i];
272 table[j] = 1;
273 count=count+1;
274 break;
275 }
276 }
277
278 }
279 }
280 }
281
282 m=m+1;
283
284 }
285
286 printf("%d",count);
287
288
289 }
290
291
292
293 void readfile2()
294 {
295 FILE *fin = fopen("256512.bmp", "rb");
296 int i, j, t;
297
298
299 if (fin == NULL) {
300 printf("Error: The file doesn't exist !\n");
301 exit(0);
302 }
303
304 // 讀 bmp 灰階標頭檔
305 fread(header, 54, 1, fin);
306 fread(palette, 1024, 1, fin);
307 // 讀 bmp 影像資料
308 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
309
310
311 fclose(fin);
312 }
313
314
315 void writetofile2()
316 {
317
318
319 int i,j;
320
321 FILE *fout = fopen("embedding.bmp", "wb");
322
323
324 fwrite(header, 54, 1, fout);
325 fwrite(palette, 1024, 1, fout);
326
327
328 // embedding result
329 for (i=0; i< SIZE1/2*SIZE2; i++) {
330
331 fwrite(&coverdifferent[i], 1, 1, fout);
332 fwrite(&coverdifferent[i], 1, 1, fout);
333 fwrite(&coverdifferent[i], 1, 1, fout);
334
335
336 }
337
338
339
340 fclose(fout);
341 }
342
343
344
345
346
347 void inverse()
348 {
349 int i,k,t;
350
351 for(k=0,t=0;t< SIZE1*SIZE2; t=t+2 ) {
352
353 //G'i-1 = Gi-1 - 取 下整數 (d'-d)/2
354 stego[t] = raw_image[3*t] - floor( ( double(coverdifferent[k]) - double(initial[k]) )/2 ) ;
355 //G'i = Gi - 取 上整數 (d'-d)/2
356 stego[t+1] = raw_image[3*(t+1)] - ceil( ( double(coverdifferent[k]) - double(initial[k]) )/2 ) ;
357 k++;
358
359
360 }
361
362 /*for(i=0;i<SIZE1*SIZE2;i++){
363
364 if(i%10 == 0){
365 printf("\n");
366 }
367
368 printf("%d \b",stego[i]);
369 }*/
370
371
372 }
373
374
375
376 void readfile3()
377 {
378 FILE *fin = fopen("03.bmp", "rb");
379
380
381
382 if (fin == NULL) {
383 printf("Error: The file doesn't exist !\n");
384 exit(0);
385 }
386
387 // 讀 bmp 灰階標頭檔
388 fread(header, 54, 1, fin);
389 fread(palette, 1024, 1, fin);
390 // 讀 bmp 影像資料
391 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
392
393
394 fclose(fin);
395 }
396
397
398 void writetofile3()
399 {
400
401
402 int i;
403
404 FILE *fout = fopen("stego.bmp", "wb");
405
406
407 fwrite(header, 54, 1, fout);
408 fwrite(palette, 1024, 1, fout);
409
410
411 // embedding result
412 for (i=0; i< SIZE1*SIZE2; i++) {
413
414 fwrite(&stego[i], 1, 1, fout);
415 fwrite(&stego[i], 1, 1, fout);
416 fwrite(&stego[i], 1, 1, fout);
417
418
419 }
420
421
422
423 fclose(fout);
424 }
425
426
427
428 void readfile4()
429 {
430 FILE *fin = fopen("256256.bmp", "rb");
431 int i, j, t;
432
433
434 if (fin == NULL) {
435 printf("Error: The file doesn't exist !\n");
436 exit(0);
437 }
438
439 // 讀 bmp 灰階標頭檔
440 fread(header, 54, 1, fin);
441 fread(palette, 1024, 1, fin);
442 // 讀 bmp 影像資料
443 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
444
445
446 fclose(fin);
447 }
448
449
450
451
452 void readfile41()
453 {
454 FILE *fin = fopen("256512.bmp", "rb");
455 int i, j, t;
456
457
458 if (fin == NULL) {
459 printf("Error: The file doesn't exist !\n");
460 exit(0);
461 }
462
463 // 讀 bmp 灰階標頭檔
464 fread(header, 54, 1, fin);
465 fread(palette, 1024, 1, fin);
466 // 讀 bmp 影像資料
467 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
468
469
470 fclose(fin);
471 }
472 void writetofile4()
473 {
474
475
476 int i;
477
478 FILE *fout = fopen("drawout.bmp", "wb");
479
480
481 fwrite(header, 54, 1, fout);
482 fwrite(palette, 1024, 1, fout);
483
484
485
486 /*for (i=0; i< 256*512; i++) {
487
488 fwrite(&secretdifferent[i], 1, 1, fout);
489 fwrite(&secretdifferent[i], 1, 1, fout);
490 fwrite(&secretdifferent[i], 1, 1, fout);
491
492
493 }*/
494 for(i=0;i<SIZE3*SIZE4*3;i=i+3){
495
496 fwrite(&raw_image1[i], 1, 1, fout);
497 fwrite(&raw_image1[i], 1, 1, fout);
498 fwrite(&raw_image1[i], 1, 1, fout);
499
500
501 }
502
503
504
505 fclose(fout);
506 }
2 (c++) mysterywho
3 compiler : VC2008
4 description : 將圖片藏入另一張圖片中
5 date : 15/1/2008
6 */
7
8 #include <iostream>
9 #include <fstream>
10 #include <math.h>
11 //cover圖大小
12 #define SIZE1 512
13 #define SIZE2 512
14 //secret圖大小
15 #define SIZE3 256
16 #define SIZE4 512
17
18 using namespace std;
19
20
21 unsigned char header[54], palette[1024];
22 unsigned char raw_image[SIZE1*SIZE2*3];
23 unsigned char raw_image1[SIZE3*SIZE4*3];
24 unsigned char image[SIZE1/2][SIZE2];
25 unsigned char image1[SIZE3][SIZE4];
26 unsigned char coverdifferent[SIZE1/2*SIZE2];
27 unsigned char initial[SIZE1/2*SIZE2];
28 unsigned char secretdifferent[SIZE3*SIZE4];
29 unsigned char table[SIZE1/2*SIZE2];
30 unsigned char table1[SIZE3*SIZE4];
31 unsigned char stego[SIZE1*SIZE2];
32
33 void readfile();
34 void writetofile();
35 void readfile1();
36 void writetofile1();
37 void relativepositions();
38 void readfile2();
39 void writetofile2();
40 void inverse();
41 void readfile3();
42 void writetofile3();
43 void readfile4();
44 void readfile41();
45 void writetofile4();
46
47
48 int main()
49 {
50
51
52 // 讀cover image
53 readfile();
54 writetofile();
55
56 // 讀secret image
57 readfile1();
58 writetofile1();
59
60 //將secretimage的點藏入coverimage
61 relativepositions();
62
63
64 //寫embedding result
65 readfile2();
66 writetofile2();
67 //將藏進去後所得的圖計算出來
68 inverse();
69
70 //得到stego-image
71 readfile3();
72 writetofile3();
73
74 //抽出藏入圖片
75 if(SIZE3*SIZE4==256*256){
76 readfile4();
77 }
78 else
79 readfile41();
80
81 writetofile4();
82
83 system("pause");
84
85 return 0;
86 }
87
88 void readfile()
89 {
90 FILE *fin = fopen("10.bmp", "rb");
91 int i, j, t;
92
93
94 if (fin == NULL) {
95 printf("Error: The file doesn't exist !\n");
96 exit(0);
97 }
98
99 // 讀 bmp 灰階標頭檔
100 fread(header, 54, 1, fin);
101 fread(palette, 1024, 1, fin);
102 // 讀 bmp 影像資料
103 fread(raw_image, 1, SIZE1*SIZE2*3, fin);
104
105
106
107
108 for ( t=0,i=0; i< SIZE1/2; i++) {
109 for (j=0; j< SIZE2; j++) {
110
111 image[i][j] = raw_image[t + 3] - raw_image[t] + 128;
112 t = t + 6;
113 }
114 }
115
116 fclose(fin);
117 }
118
119
120
121
122 void writetofile()
123 {
124 int i, j,t;
125
126 FILE *fout = fopen("coverdiff.bmp", "wb");
127
128 long file_size = (long)SIZE1/2 *SIZE2 * 3 + 54;
129 header[2] = (unsigned char)(file_size &0x000000ff);
130 header[3] = (file_size >> 8) & 0x000000ff;
131 header[4] = (file_size >> 16) & 0x000000ff;
132 header[5] = (file_size >> 24) & 0x000000ff;
133
134 long width = SIZE1/2;
135 header[18] = width & 0x000000ff;
136 header[19] = (width >> 8) &0x000000ff;
137 header[20] = (width >> 16) &0x000000ff;
138 header[21] = (width >> 24) &0x000000ff;
139
140 long height = SIZE2;
141 header[22] = height &0x000000ff;
142 header[23] = (height >> 8) &0x000000ff;
143 header[24] = (height >> 16) &0x000000ff;
144 header[25] = (height >> 24) &0x000000ff;
145
146 fwrite(header, 54, 1, fout);
147 fwrite(palette, 1024, 1, fout);
148
149
150 for (t=0,i=0; i< SIZE1/2; i++) {
151 for (j=0; j< SIZE2; j++) {
152 //將coverimage different點的值存入
153 coverdifferent[t] = image[i][j];
154 //將coverimage different點的值存入
155 initial[t] = image[i][j];
156
157 fwrite(&image[i][j], 1, 1, fout);
158 fwrite(&image[i][j], 1, 1, fout);
159 fwrite(&image[i][j], 1, 1, fout);
160 t++;
161
162 }
163 }
164
165 fclose(fout);
166 }
167
168
169
170
171
172 void readfile1()
173 {
174 FILE *fin = fopen("07.bmp", "rb");
175 int i, j, t;
176
177
178 if (fin == NULL) {
179 printf("Error: The file doesn't exist !\n");
180 exit(0);
181 }
182
183 // 讀 bmp 灰階標頭檔
184 fread(header, 54, 1, fin);
185 fread(palette, 1024, 1, fin);
186 // 讀 bmp 影像資料
187 fread(raw_image1, 1, SIZE3*SIZE4*3, fin);
188
189
190
191 for (t=0, i=0; i< SIZE3; i++) {
192 for (j=0; j< SIZE4; j++) {
193
194 image1[i][j] = raw_image1[t+3] - raw_image1[t] + 128;
195 t=t+3;
196 }
197 }
198
199 fclose(fin);
200 }
201
202 void writetofile1()
203 {
204
205 int i, j, t;
206
207 FILE *fout = fopen("secretdiff.bmp", "wb");
208
209
210 fwrite(header, 54, 1, fout);
211 fwrite(palette, 1024, 1, fout);
212
213 for (t=0,i=0; i< SIZE3; i++) {
214 for (j=0; j< SIZE4; j++) {
215 //將secretdifferent值存入
216 secretdifferent[t] = image1[i][j];
217 fwrite(&image1[i][j], 1, 1, fout);
218 fwrite(&image1[i][j], 1, 1, fout);
219 fwrite(&image1[i][j], 1, 1, fout);
220 t++;
221 }
222 }
223
224 fclose(fout);
225 }
226
227
228 void relativepositions()
229 {
230 int i,j;
231 int m,count;
232
233
234 for(i=0;i<SIZE1/2*SIZE2;i++){
235 //紀錄coverdiff的點是否被替換過
236 table[i]=0;
237 }
238
239
240 for(i=0;i<SIZE3*SIZE4;i++){
241 //紀錄secretdiff的點是否已經藏進去
242 table1[i]=0;
243 }
244
245
246 for(count=0,i=0;i< SIZE3*SIZE4;i++ ){
247 for(j=0;j<SIZE1/2*SIZE2;j++){
248 if(table[j]==0){
249 if( abs(secretdifferent[i] - coverdifferent[j]) < 5 ){
250 coverdifferent[j] = secretdifferent[i];
251 table[j] = 1;
252 table1[i] = 1;
253 count=count+1;
254 break;
255 }
256 }
257
258 }
259
260 }
261
262
263
264 m=0;
265 while(count< SIZE3*SIZE4){
266 for(i=0;i< SIZE3*SIZE4;i++ ){
267 if(table1[i]==0){
268 for(j=0;j<SIZE1/2*SIZE2;j++){
269 if(table[j]==0){
270 if( abs(secretdifferent[i] - coverdifferent[j]) < (m*5+10) ){
271 coverdifferent[j] = secretdifferent[i];
272 table[j] = 1;
273 count=count+1;
274 break;
275 }
276 }
277
278 }
279 }
280 }
281
282 m=m+1;
283
284 }
285
286 printf("%d",count);
287
288
289 }
290
291
292
293 void readfile2()
294 {
295 FILE *fin = fopen("256512.bmp", "rb");
296 int i, j, t;
297
298
299 if (fin == NULL) {
300 printf("Error: The file doesn't exist !\n");
301 exit(0);
302 }
303
304 // 讀 bmp 灰階標頭檔
305 fread(header, 54, 1, fin);
306 fread(palette, 1024, 1, fin);
307 // 讀 bmp 影像資料
308 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
309
310
311 fclose(fin);
312 }
313
314
315 void writetofile2()
316 {
317
318
319 int i,j;
320
321 FILE *fout = fopen("embedding.bmp", "wb");
322
323
324 fwrite(header, 54, 1, fout);
325 fwrite(palette, 1024, 1, fout);
326
327
328 // embedding result
329 for (i=0; i< SIZE1/2*SIZE2; i++) {
330
331 fwrite(&coverdifferent[i], 1, 1, fout);
332 fwrite(&coverdifferent[i], 1, 1, fout);
333 fwrite(&coverdifferent[i], 1, 1, fout);
334
335
336 }
337
338
339
340 fclose(fout);
341 }
342
343
344
345
346
347 void inverse()
348 {
349 int i,k,t;
350
351 for(k=0,t=0;t< SIZE1*SIZE2; t=t+2 ) {
352
353 //G'i-1 = Gi-1 - 取 下整數 (d'-d)/2
354 stego[t] = raw_image[3*t] - floor( ( double(coverdifferent[k]) - double(initial[k]) )/2 ) ;
355 //G'i = Gi - 取 上整數 (d'-d)/2
356 stego[t+1] = raw_image[3*(t+1)] - ceil( ( double(coverdifferent[k]) - double(initial[k]) )/2 ) ;
357 k++;
358
359
360 }
361
362 /*for(i=0;i<SIZE1*SIZE2;i++){
363
364 if(i%10 == 0){
365 printf("\n");
366 }
367
368 printf("%d \b",stego[i]);
369 }*/
370
371
372 }
373
374
375
376 void readfile3()
377 {
378 FILE *fin = fopen("03.bmp", "rb");
379
380
381
382 if (fin == NULL) {
383 printf("Error: The file doesn't exist !\n");
384 exit(0);
385 }
386
387 // 讀 bmp 灰階標頭檔
388 fread(header, 54, 1, fin);
389 fread(palette, 1024, 1, fin);
390 // 讀 bmp 影像資料
391 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
392
393
394 fclose(fin);
395 }
396
397
398 void writetofile3()
399 {
400
401
402 int i;
403
404 FILE *fout = fopen("stego.bmp", "wb");
405
406
407 fwrite(header, 54, 1, fout);
408 fwrite(palette, 1024, 1, fout);
409
410
411 // embedding result
412 for (i=0; i< SIZE1*SIZE2; i++) {
413
414 fwrite(&stego[i], 1, 1, fout);
415 fwrite(&stego[i], 1, 1, fout);
416 fwrite(&stego[i], 1, 1, fout);
417
418
419 }
420
421
422
423 fclose(fout);
424 }
425
426
427
428 void readfile4()
429 {
430 FILE *fin = fopen("256256.bmp", "rb");
431 int i, j, t;
432
433
434 if (fin == NULL) {
435 printf("Error: The file doesn't exist !\n");
436 exit(0);
437 }
438
439 // 讀 bmp 灰階標頭檔
440 fread(header, 54, 1, fin);
441 fread(palette, 1024, 1, fin);
442 // 讀 bmp 影像資料
443 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
444
445
446 fclose(fin);
447 }
448
449
450
451
452 void readfile41()
453 {
454 FILE *fin = fopen("256512.bmp", "rb");
455 int i, j, t;
456
457
458 if (fin == NULL) {
459 printf("Error: The file doesn't exist !\n");
460 exit(0);
461 }
462
463 // 讀 bmp 灰階標頭檔
464 fread(header, 54, 1, fin);
465 fread(palette, 1024, 1, fin);
466 // 讀 bmp 影像資料
467 // fread(raw_image, 1, SIZE1*SIZE2*3, fin);
468
469
470 fclose(fin);
471 }
472 void writetofile4()
473 {
474
475
476 int i;
477
478 FILE *fout = fopen("drawout.bmp", "wb");
479
480
481 fwrite(header, 54, 1, fout);
482 fwrite(palette, 1024, 1, fout);
483
484
485
486 /*for (i=0; i< 256*512; i++) {
487
488 fwrite(&secretdifferent[i], 1, 1, fout);
489 fwrite(&secretdifferent[i], 1, 1, fout);
490 fwrite(&secretdifferent[i], 1, 1, fout);
491
492
493 }*/
494 for(i=0;i<SIZE3*SIZE4*3;i=i+3){
495
496 fwrite(&raw_image1[i], 1, 1, fout);
497 fwrite(&raw_image1[i], 1, 1, fout);
498 fwrite(&raw_image1[i], 1, 1, fout);
499
500
501 }
502
503
504
505 fclose(fout);
506 }
