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training data generation from PASCAL3D

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add light
This commit is contained in:
Wangyida
2015-10-03 01:15:11 +08:00
parent d712740ea1
commit 73b5d3ebbb
3 changed files with 127 additions and 33 deletions
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59
modules/cnn_3dobj/samples/demo_sphereview_data.cpp
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@@ -47,16 +47,19 @@ using namespace cv::cnn_3dobj;
int main(int argc, char *argv[])
{
const String keys = "{help | | demo :$ ./sphereview_test -ite_depth=2 -plymodel=../data/3Dmodel/ape.ply -imagedir=../data/images_all/ -labeldir=../data/label_all.txt -num_class=6 -label_class=0, then press 'q' to run the demo for images generation when you see the gray background and a coordinate.}"
"{ite_depth | 3 | Iteration of sphere generation.}"
"{plymodel | ../data/3Dmodel/ape.ply | Path of the '.ply' file for image rendering. }"
"{imagedir | ../data/images_all/ | Path of the generated images for one particular .ply model. }"
"{labeldir | ../data/label_all.txt | Path of the generated images for one particular .ply model. }"
"{cam_head_x | 0 | Head of the camera. }"
"{cam_head_y | -1 | Head of the camera. }"
"{cam_head_z | 0 | Head of the camera. }"
"{num_class | 6 | Total number of classes of models}"
"{label_class | 0 | Class label of current .ply model}"
"{rgb_use | 0 | Use RGB image or grayscale}";
"{ite_depth | 2 | Iteration of sphere generation.}"
"{plymodel | ../data/3Dmodel/ape.ply | Path of the '.ply' file for image rendering. }"
"{imagedir | ../data/images_all/ | Path of the generated images for one particular .ply model. }"
"{labeldir | ../data/label_all.txt | Path of the generated images for one particular .ply model. }"
"{cam_head_x | 0 | Head of the camera. }"
"{cam_head_y | 0 | Head of the camera. }"
"{cam_head_z | -1 | Head of the camera. }"
"{image_size | 128 | Size of captured images. }"
"{label_class | 1 | Class label of current .ply model. }"
"{label_item | 1 | Item label of current .ply model. }"
"{rgb_use | 0 | Use RGB image or grayscale. }"
"{num_class | 6 | Total number of classes of models. }"
"{binary_out | 0 | Produce binaryfiles for images and label. }";
/* Get parameters from comand line. */
cv::CommandLineParser parser(argc, argv, keys);
parser.about("Generating training data for CNN with triplet loss");
@@ -69,12 +72,15 @@ int main(int argc, char *argv[])
string plymodel = parser.get<string>("plymodel");
string imagedir = parser.get<string>("imagedir");
string labeldir = parser.get<string>("labeldir");
int num_class = parser.get<int>("num_class");
int label_class = parser.get<int>("label_class");
int label_item = parser.get<int>("label_item");
float cam_head_x = parser.get<float>("cam_head_x");
float cam_head_y = parser.get<float>("cam_head_y");
float cam_head_z = parser.get<float>("cam_head_z");
int image_size = parser.get<int>("image_size");
int rgb_use = parser.get<int>("rgb_use");
int num_class = parser.get<int>("num_class");
int binary_out = parser.get<int>("binary_out");
cv::cnn_3dobj::icoSphere ViewSphere(10,ite_depth);
std::vector<cv::Point3d> campos = ViewSphere.CameraPos;
std::fstream imglabel;
@@ -84,10 +90,12 @@ int main(int argc, char *argv[])
/* Create a window using viz. */
viz::Viz3d myWindow("Coordinate Frame");
/* Set window size as 64*64, we use this scale as default. */
myWindow.setWindowSize(Size(64,64));
myWindow.setWindowSize(Size(image_size,image_size));
/* Set background color. */
myWindow.setBackgroundColor(viz::Color::gray());
myWindow.spin();
/* Add light. */
myWindow.addLight(Vec3d(0,0,100000), Vec3d(0,0,0), viz::Color::white(), viz::Color::gray(), viz::Color::black(), viz::Color::white());
/* Create a Mesh widget, loading .ply models. */
viz::Mesh objmesh = viz::Mesh::load(plymodel);
/* Get the center of the generated mesh widget, cause some .ply files. */
@@ -101,17 +109,21 @@ int main(int argc, char *argv[])
cam_y_dir.z = cam_head_z;
const char* headerPath = "../data/header_for_";
const char* binaryPath = "../data/binary_";
ViewSphere.createHeader((int)campos.size(), 64, 64, headerPath);
if (binary_out)
{
ViewSphere.createHeader((int)campos.size(), image_size, image_size, headerPath);
}
char* temp = new char;
/* Images will be saved as .png files. */
for(int pose = 0; pose < (int)campos.size(); pose++){
char* temp = new char;
sprintf (temp,"%d",label_class);
int label_x, label_y, label_z;
label_x = (int)(campos.at(pose).x*100);
label_y = (int)(campos.at(pose).y*100);
label_z = (int)(campos.at(pose).z*100);
sprintf (temp,"%02d_%02d_%04i_%04i_%04i", label_class, label_item, label_x, label_y, label_z);
string filename = temp;
filename += "_";
sprintf (temp,"%d",pose);
filename += temp;
filename += ".png";
imglabel << filename << ' ' << (int)(campos.at(pose).x*100) << ' ' << (int)(campos.at(pose).y*100) << ' ' << (int)(campos.at(pose).z*100) << endl;
imglabel << filename << ' ' << label_class << endl;
filename = imagedir + filename;
/* Get the pose of the camera using makeCameraPoses. */
Affine3f cam_pose = viz::makeCameraPose(campos.at(pose)*380+cam_focal_point, cam_focal_point, cam_y_dir*380+cam_focal_point);
@@ -127,8 +139,8 @@ int main(int argc, char *argv[])
{
viz::WCameraPosition cpw(1); // Coordinate axes
viz::WCameraPosition cpw_frustum(Vec2f(0.5, 0.5)); // Camera frustum
myWindow.showWidget("CPW", cpw, cam_pose);
myWindow.showWidget("CPW_FRUSTUM", cpw_frustum, cam_pose);
myWindow.showWidget("CPW", cpw, cam_pose);
myWindow.showWidget("CPW_FRUSTUM", cpw_frustum, cam_pose);
}
/* Visualize widget. */
@@ -140,8 +152,11 @@ int main(int argc, char *argv[])
myWindow.setViewerPose(cam_pose);
/* Save screen shot as images. */
myWindow.saveScreenshot(filename);
if (binary_out)
{
/* Write images into binary files for further using in CNN training. */
ViewSphere.writeBinaryfile(filename, binaryPath, headerPath,(int)campos.size()*num_class, label_class, (int)(campos.at(pose).x*100), (int)(campos.at(pose).y*100), (int)(campos.at(pose).z*100), rgb_use);
ViewSphere.writeBinaryfile(filename, binaryPath, headerPath,(int)campos.size()*num_class, label_class, (int)(campos.at(pose).x*100), (int)(campos.at(pose).y*100), (int)(campos.at(pose).z*100), rgb_use);
}
}
imglabel.close();
return 1;