-
Notifications
You must be signed in to change notification settings - Fork 94
/
displayUtils.h
445 lines (373 loc) · 15.4 KB
/
displayUtils.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
/*
* utility functions for visualization of results (disparity in color, warped output, ...)
*/
#pragma once
#include <sstream>
#include <fstream>
#if (CV_MAJOR_VERSION ==2)
#include <opencv2/contrib/contrib.hpp> // needed for applyColorMap!
#endif
#include "point_cloud.h"
#include "point_cloud_list.h"
/* compute gamma correction (just for display purposes to see more details in farther away areas of disparity image)
* Input: img - image
* gamma - gamma value
* Output: gamma corrected image
*/
Mat correctGamma( Mat& img, double gamma ) {
double inverse_gamma = 1.0 / gamma;
Mat lut_matrix(1, 256, CV_8UC1 );
uchar * ptr = lut_matrix.ptr();
for( int i = 0; i < 256; i++ )
ptr[i] = (int)( pow( (double) i / 255.0, inverse_gamma ) * 255.0 );
Mat result;
LUT( img, lut_matrix, result );
return result;
}
static void getDisparityForDisplay(const Mat_<float> &disp, Mat &dispGray, Mat &dispColor, float numDisparities, float minDisp = 0.0f){
float gamma = 2.0f; // to get higher contrast for lower disparity range (just for color visualization)
disp.convertTo(dispGray,CV_16U,65535.f/(numDisparities-minDisp),-minDisp*65535.f/(numDisparities-minDisp));
Mat disp8;
disp.convertTo(disp8,CV_8U,255.f/(numDisparities-minDisp),-minDisp*255.f/(numDisparities-minDisp));
if(minDisp == 0.0f)
disp8 = correctGamma(disp8,gamma);
applyColorMap(disp8, dispColor, COLORMAP_JET);
for(int y = 0; y < dispColor.rows; y++){
for(int x = 0; x < dispColor.cols; x++){
if(disp(y,x) <= 0.0f)
dispColor.at<Vec3b>(y,x) = Vec3b(0,0,0);
}
}
}
static void convertDisparityDepthImage(const Mat_<float> &dispL, Mat_<float> &d, float f, float baseline){
d = Mat::zeros(dispL.rows, dispL.cols, CV_32F);
for(int y = 0; y < dispL.rows; y++){
for(int x = 0; x < dispL.cols; x++){
d(y,x) = disparityDepthConversion(f,baseline,dispL(y,x));
}
}
}
static string getColorString(uint8_t color){
stringstream ss;
ss << (int)color << " " << (int)color << " " << (int)color;
return ss.str();
}
static string getColorString(Vec3b color){
stringstream ss;
ss << (int)color(2) << " " << (int)color(1) << " " << (int)color(0);
return ss.str();
}
static string getColorString(Vec3i color){
stringstream ss;
ss << (int)((float)color(2)/256.f) << " " << (int)((float)color(1)/256.f) << " " << (int)((float)color(0)/256.f);
return ss.str();
}
static void storePlyFileBinaryPointCloud (char* plyFilePath, PointCloudList &pc, Mat_<float> &distImg) {
cout << "store 3D points to ply file" << endl;
FILE *outputPly;
outputPly=fopen(plyFilePath,"wb");
/*write header*/
fprintf(outputPly, "ply\n");
fprintf(outputPly, "format binary_little_endian 1.0\n");
fprintf(outputPly, "element vertex %d\n",pc.size);
fprintf(outputPly, "property float x\n");
fprintf(outputPly, "property float y\n");
fprintf(outputPly, "property float z\n");
fprintf(outputPly, "property float nx\n");
fprintf(outputPly, "property float ny\n");
fprintf(outputPly, "property float nz\n");
fprintf(outputPly, "property uchar red\n");
fprintf(outputPly, "property uchar green\n");
fprintf(outputPly, "property uchar blue\n");
fprintf(outputPly, "end_header\n");
distImg = Mat::zeros(pc.rows,pc.cols,CV_32F);
//write data
#pragma omp parallel for
for(long int i = 0; i < pc.size; i++) {
const Point_li &p = pc.points[i];
const float4 normal = p.normal;
float4 X = p.coord;
const char color = (int)p.texture;
/*const int color = 127.0f;*/
/*printf("Writing point %f %f %f\n", X.x, X.y, X.z);*/
if(!(X.x < FLT_MAX && X.x > -FLT_MAX) || !(X.y < FLT_MAX && X.y > -FLT_MAX) || !(X.z < FLT_MAX && X.z >= -FLT_MAX)){
X.x = 0.0f;
X.y = 0.0f;
X.z = 0.0f;
}
#pragma omp critical
{
/*myfile << X.x << " " << X.y << " " << X.z << " " << normal.x << " " << normal.y << " " << normal.z << " " << color << " " << color << " " << color << endl;*/
fwrite(&X.x, sizeof(X.x), 1, outputPly);
fwrite(&X.y, sizeof(X.y), 1, outputPly);
fwrite(&X.z, sizeof(X.z), 1, outputPly);
fwrite(&normal.x, sizeof(normal.x), 1, outputPly);
fwrite(&normal.y, sizeof(normal.y), 1, outputPly);
fwrite(&normal.z, sizeof(normal.z), 1, outputPly);
fwrite(&color, sizeof(char), 1, outputPly);
fwrite(&color, sizeof(char), 1, outputPly);
fwrite(&color, sizeof(char), 1, outputPly);
}
}
fclose(outputPly);
}
static void storeXYZPointCloud (char* plyFilePath, PointCloudList &pc) {
cout << "store 3D points to ply file" << endl;
ofstream myfile;
myfile.open (plyFilePath, ios::out);
//write data
#pragma omp parallel for
for(long i = 0; i < pc.size; i++) {
const Point_li &p = pc.points[i];
const float4 normal = p.normal;
float4 X = p.coord;
if(!(X.x < FLT_MAX && X.x > -FLT_MAX) || !(X.y < FLT_MAX && X.y > -FLT_MAX) || !(X.z < FLT_MAX && X.z >= -FLT_MAX)){
X.x = 0.0f;
X.y = 0.0f;
X.z = 0.0f;
}
#pragma omp critical
{
myfile << X.x << " " << X.y << " " << X.z << " " << normal.x << " " << normal.y << " " << normal.z << endl;
}
}
myfile.close();
}
static void storePlyFileAsciiPointCloud (char* plyFilePath, PointCloudList &pc, Mat_<float> &distImg) {
cout << "store 3D points to ply file" << endl;
/*FILE *outputPly;*/
/*outputPly=fopen(plyFilePath,"wb");*/
/*write header*/
/*fprintf(outputPly, "ply\n");*/
/*fprintf(outputPly, "format binary_little_endian 1.0\n");*/
/*fprintf(outputPly, "element vertex %d\n",count);*/
/*fprintf(outputPly, "property float x\n");*/
/*fprintf(outputPly, "property float y\n");*/
/*fprintf(outputPly, "property float z\n");*/
/*fprintf(outputPly, "property float nx\n");*/
/*fprintf(outputPly, "property float ny\n");*/
/*fprintf(outputPly, "property float nz\n");*/
/*fprintf(outputPly, "property uchar red\n");*/
/*fprintf(outputPly, "property uchar green\n");*/
/*fprintf(outputPly, "property uchar blue\n");*/
/*fprintf(outputPly, "end_header\n");*/
ofstream myfile;
myfile.open (plyFilePath, ios::out);
//write header
myfile << "ply" << endl;
myfile << "format ascii 1.0" << endl;
myfile << "element vertex " << pc.size << endl;
myfile << "property float x" << endl;
myfile << "property float y" << endl;
myfile << "property float z" << endl;
myfile << "property float nx" << endl;
myfile << "property float ny" << endl;
myfile << "property float nz" << endl;
myfile << "property uchar red" << endl;
myfile << "property uchar green" << endl;
myfile << "property uchar blue" << endl;
myfile << "end_header" << endl;
distImg = Mat::zeros(pc.rows,pc.cols,CV_32F);
//write data
#pragma omp parallel for
for(long i = 0; i < pc.size; i++) {
const Point_li &p = pc.points[i];
const float4 normal = p.normal;
float4 X = p.coord;
const int color = (int)p.texture;
/*const int color = 127.0f;*/
/*printf("Writing point %f %f %f\n", X.x, X.y, X.z);*/
if(!(X.x < FLT_MAX && X.x > -FLT_MAX) || !(X.y < FLT_MAX && X.y > -FLT_MAX) || !(X.z < FLT_MAX && X.z >= -FLT_MAX)){
X.x = 0.0f;
X.y = 0.0f;
X.z = 0.0f;
}
#pragma omp critical
{
myfile << X.x << " " << X.y << " " << X.z << " " << normal.x << " " << normal.y << " " << normal.z << " " << color << " " << color << " " << color << endl;
/*fwrite(&X.x, sizeof(float), 1, outputPly);*/
/*fwrite(&X.y, sizeof(float), 1, outputPly);*/
/*fwrite(&X.z, sizeof(float), 1, outputPly);*/
/*fwrite(&normal.x, sizeof(float), 1, outputPly);*/
/*fwrite(&normal.y, sizeof(float), 1, outputPly);*/
/*fwrite(&normal.z, sizeof(float), 1, outputPly);*/
/*fwrite(&color, sizeof(float), 1, outputPly);*/
/*fwrite(&color, sizeof(float), 1, outputPly);*/
/*fwrite(&color, sizeof(float), 1, outputPly);*/
}
}
myfile.close();
/*fclose(outputPly);*/
}
//template <typename ImgType>
static void storePlyFileBinaryPointCloud(char* plyFilePath, PointCloud &pc, Mat_<float> &distImg) {
cout << "store 3D points to ply file" << endl;
FILE *outputPly;
outputPly=fopen(plyFilePath,"wb");
/*write header*/
fprintf(outputPly, "ply\n");
fprintf(outputPly, "format binary_little_endian 1.0\n");
fprintf(outputPly, "element vertex %d\n",pc.size);
fprintf(outputPly, "property float x\n");
fprintf(outputPly, "property float y\n");
fprintf(outputPly, "property float z\n");
/*fprintf(outputPly, "property float nx\n");*/
/*fprintf(outputPly, "property float ny\n");*/
/*fprintf(outputPly, "property float nz\n");*/
/*fprintf(outputPly, "property uchar red\n");*/
/*fprintf(outputPly, "property uchar green\n");*/
/*fprintf(outputPly, "property uchar blue\n");*/
fprintf(outputPly, "end_header\n");
distImg = Mat::zeros(pc.rows,pc.cols,CV_32F);
//write data
/*#pragma omp parallel for*/
for(int i = 0; i < pc.size; i++){
const Point_cu &p = pc.points[i];
//const float4 normal = p.normal;
float4 X = p.coord;
/*printf("Writing point %f %f %f\n", X.x, X.y, X.z);*/
/*float color = p.texture;*/
//const char color = 127.0f;
if(!(X.x < FLT_MAX && X.x > -FLT_MAX) || !(X.y < FLT_MAX && X.y > -FLT_MAX) || !(X.z < FLT_MAX && X.z >= -FLT_MAX)){
X.x = 0.0f;
X.y = 0.0f;
X.z = 0.0f;
}
/*#pragma omp critical*/
{
/*myfile << X.x << " " << X.y << " " << X.z << " " << normal.x << " " << normal.y << " " << normal.z << " " << color << " " << color << " " << color << endl;*/
fwrite(&(X.x), sizeof(float), 1, outputPly);
fwrite(&(X.y), sizeof(float), 1, outputPly);
fwrite(&(X.z), sizeof(float), 1, outputPly);
/*fwrite(&(normal.x), sizeof(float), 1, outputPly);*/
/*fwrite(&(normal.y), sizeof(float), 1, outputPly);*/
/*fwrite(&(normal.z), sizeof(float), 1, outputPly);*/
/*fwrite(&color, sizeof(char), 1, outputPly);*/
/*fwrite(&color, sizeof(char), 1, outputPly);*/
/*fwrite(&color, sizeof(char), 1, outputPly);*/
}
/*distImg(y,x) = sqrt(pow(X.x-cam.C(0),2)+pow(X.y-cam.C(1),2)+pow(X.z-cam.C(2),2));*/
}
/*myfile.close();*/
fclose(outputPly);
}
template <typename ImgType>
static void storePlyFileBinary(char* plyFilePath, const Mat_<float> &depthImg, const Mat_<Vec3f> &normals, const Mat_<ImgType> img, Camera cam, Mat_<float> &distImg){
cout << "store 3D points to ply file" << endl;
FILE *outputPly;
outputPly=fopen(plyFilePath,"wb");
//write header
fprintf(outputPly, "ply\n");
fprintf(outputPly, "format binary_little_endian 1.0\n");
fprintf(outputPly, "element vertex %d\n",depthImg.rows * depthImg.cols);
fprintf(outputPly, "property float x\n");
fprintf(outputPly, "property float y\n");
fprintf(outputPly, "property float z\n");
fprintf(outputPly, "property float nx\n");
fprintf(outputPly, "property float ny\n");
fprintf(outputPly, "property float nz\n");
fprintf(outputPly, "property uchar red\n");
fprintf(outputPly, "property uchar green\n");
fprintf(outputPly, "property uchar blue\n");
fprintf(outputPly, "end_header\n");
distImg = Mat::zeros(depthImg.rows,depthImg.cols,CV_32F);
//write data
#pragma omp parallel for
for(int x = 0; x < depthImg.cols; x++){
for(int y = 0; y < depthImg.rows; y++){
Vec3f n = normals(y,x);
ImgType color = img(y,x);
Vec3f ptX = get3Dpoint(cam,x,y,depthImg(y,x));
if(!(ptX(0) < FLT_MAX && ptX(0) > -FLT_MAX) || !(ptX(1) < FLT_MAX && ptX(12) > -FLT_MAX) || !(ptX(2) < FLT_MAX && ptX(2) >= -FLT_MAX)){
ptX(0) = 0.0f;
ptX(1) = 0.0f;
ptX(2) = 0.0f;
}
#pragma omp critical
{
//myfile << ptX(0) << " " << ptX(1) << " " << ptX(2) << " " << n(0) << " " << n(1) << " " << n(2) << " " << getColorString(color) << endl;
fwrite(&(ptX(0)), sizeof(float), 3, outputPly);
fwrite(&(n(0)) , sizeof(float), 3, outputPly);
fwrite(&color, sizeof(color) , 1, outputPly);
fwrite(&color, sizeof(color) , 1, outputPly);
fwrite(&color, sizeof(color) , 1, outputPly);
}
distImg(y,x) = sqrt(pow(ptX(0)-cam.C(0),2)+pow(ptX(1)-cam.C(1),2)+pow(ptX(2)-cam.C(2),2));
//}else{
// cout << ptX(0) << " " << ptX(1) << " " << ptX(2) << endl;
// cout << depthImg(y,x) << endl;
//}
//P *
//cout << xValue << " " << yValue << " " << zValue << " / " <<
}
}
fclose(outputPly);
}
template <typename ImgType>
static void storePlyFile(char* plyFilePath, const Mat_<float> &depthImg, const Mat_<Vec3f> &normals, const Mat_<ImgType> img, Camera cam, Mat_<float> &distImg){
cout << "store 3D points to ply file" << endl;
ofstream myfile;
myfile.open (plyFilePath, ios::out);
//write header
myfile << "ply" << endl;
myfile << "format ascii 1.0" << endl;
myfile << "element vertex " << depthImg.rows * depthImg.cols << endl;
myfile << "property float x" << endl;
myfile << "property float y" << endl;
myfile << "property float z" << endl;
myfile << "property float nx" << endl;
myfile << "property float ny" << endl;
myfile << "property float nz" << endl;
myfile << "property uchar red" << endl;
myfile << "property uchar green" << endl;
myfile << "property uchar blue" << endl;
myfile << "end_header" << endl;
distImg = Mat::zeros(depthImg.rows,depthImg.cols,CV_32F);
//write data
//#pragma omp parallel for
for(int x = 0; x < depthImg.cols; x++){
for(int y = 0; y < depthImg.rows; y++){
/*
float zValue = depthImg(x,y);
float xValue = ((float)x-cx)*zValue/camParams.f;
float yValue = ((float)y-cy)*zValue/camParams.f;
myfile << xValue << " " << yValue << " " << zValue << endl;
*/
//Mat_<float> pt = Mat::ones(3,1,CV_32F);
//pt(0,0) = (float)x;
//pt(1,0) = (float)y;
Vec3f n = normals(y,x);
ImgType color = img(y,x);
//Mat_<float> ptX = P1_inv * depthImg(y,x)*pt;
//if(depthImg(y,x) <= 0.0001f)
// continue;
Vec3f ptX = get3Dpoint(cam,x,y,depthImg(y,x));
//Vec3f ptX_v1 = get3dPointFromPlane(cam.P_inv,cam.C,n,planes.d(y,x),x,y);
//cout << ptX_v1 << " / " << ptX << endl;
if(!(ptX(0) < FLT_MAX && ptX(0) > -FLT_MAX) || !(ptX(1) < FLT_MAX && ptX(12) > -FLT_MAX) || !(ptX(2) < FLT_MAX && ptX(2) >= -FLT_MAX)){
ptX(0) = 0.0f;
ptX(1) = 0.0f;
ptX(2) = 0.0f;
}
//#pragma omp critical
{
myfile << ptX(0) << " " << ptX(1) << " " << ptX(2) << " " << n(0) << " " << n(1) << " " << n(2) << " " << getColorString(color) << endl;
}
distImg(y,x) = sqrt(pow(ptX(0)-cam.C(0),2)+pow(ptX(1)-cam.C(1),2)+pow(ptX(2)-cam.C(2),2));
//}else{
// cout << ptX(0) << " " << ptX(1) << " " << ptX(2) << endl;
// cout << depthImg(y,x) << endl;
//}
//P *
//cout << xValue << " " << yValue << " " << zValue << " / " <<
}
}
myfile.close();
}
static void getNormalsForDisplay(const Mat &normals, Mat &normals_display, int rtype = CV_16U){
if(rtype == CV_8U)
normals.convertTo(normals_display,CV_8U,128,128);
else
normals.convertTo(normals_display,CV_16U,32767,32767);
cvtColor(normals_display,normals_display,COLOR_RGB2BGR);
}