mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-11-28 21:20:18 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix compilation issues.

Browse Source
This commit is contained in:
Mathieu Barnachon 2013-11-11 19:29:39 +01:00
parent 0934344a3d
commit a4ceb7b6ee
1 changed files with 27 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
samples/cpp/train_HOG.cpp
View File

@ -10,6 +10,15 @@
using namespace cv;
using namespace std;
void get_svm_detector(const SVM& svm, vector< float > & hog_detector );
void convert_to_ml(const std::vector< cv::Mat > & train_samples, cv::Mat& trainData );
void load_images( const string & prefix, const string & filename, vector< Mat > & img_lst );
void sample_neg( const vector< Mat > & full_neg_lst, vector< Mat > & neg_lst, const Size & size );
Mat get_hogdescriptor_visu(Mat& color_origImg, vector<float>& descriptorValues, const Size & size );
void compute_hog( const vector< Mat > & img_lst, vector< Mat > & gradient_lst, const Size & size );
void train_svm( const vector< Mat > & gradient_lst, const vector< int > & labels );
void draw_locations( Mat & img, const vector< Rect > & locations, const Scalar & color );
void test_it( const Size & size );
void get_svm_detector(const SVM& svm, vector< float > & hog_detector )
{
@ -20,7 +29,9 @@ void get_svm_detector(const SVM& svm, vector< float > & hog_detector )
// get the decision function
const CvSVMDecisionFunc* decision_func = svm.get_decision_function();
// get the support vectors
const float** sv = &(svm.get_support_vector(0));
const float** sv = new const float*[ sv_total ];
for( int i = 0 ; i < sv_total ; ++i )
sv[ i ] = svm.get_support_vector(i);
CV_Assert( var_all > 0 &&
sv_total > 0 &&
@ -50,6 +61,8 @@ void get_svm_detector(const SVM& svm, vector< float > & hog_detector )
hog_detector.push_back( svi );
}
hog_detector.push_back( (float)-decision_func->rho );
delete[] sv;
}
@ -65,8 +78,8 @@ void convert_to_ml(const std::vector< cv::Mat > & train_samples, cv::Mat& trainD
const int cols = (int)std::max( train_samples[0].cols, train_samples[0].rows );
cv::Mat tmp(1, cols, CV_32FC1); //< used for transposition if needed
trainData = cv::Mat(rows, cols, CV_32FC1 );
auto& itr = train_samples.begin();
auto& end = train_samples.end();
vector< Mat >::const_iterator itr = train_samples.begin();
vector< Mat >::const_iterator end = train_samples.end();
for( int i = 0 ; itr != end ; ++itr, ++i )
{
CV_Assert( itr->cols == 1 ||
@ -122,8 +135,8 @@ void sample_neg( const vector< Mat > & full_neg_lst, vector< Mat > & neg_lst, co
srand( time( NULL ) );
auto& img = full_neg_lst.begin();
auto& end = full_neg_lst.end();
vector< Mat >::const_iterator img = full_neg_lst.begin();
vector< Mat >::const_iterator end = full_neg_lst.end();
for( ; img != end ; ++img )
{
box.x = rand() % (img->cols - size_x);
@ -221,9 +234,9 @@ Mat get_hogdescriptor_visu(Mat& color_origImg, vector<float>& descriptorValues,
// compute average gradient strengths
for (int celly=0; celly<cells_in_y_dir; celly++)
for (celly=0; celly<cells_in_y_dir; celly++)
{
for (int cellx=0; cellx<cells_in_x_dir; cellx++)
for (cellx=0; cellx<cells_in_x_dir; cellx++)
{
float NrUpdatesForThisCell = (float)cellUpdateCounter[celly][cellx];
@ -237,9 +250,9 @@ Mat get_hogdescriptor_visu(Mat& color_origImg, vector<float>& descriptorValues,
}
// draw cells
for (int celly=0; celly<cells_in_y_dir; celly++)
for (celly=0; celly<cells_in_y_dir; celly++)
{
for (int cellx=0; cellx<cells_in_x_dir; cellx++)
for (cellx=0; cellx<cells_in_x_dir; cellx++)
{
int drawX = cellx * cellSize;
int drawY = celly * cellSize;
@ -305,8 +318,8 @@ void compute_hog( const vector< Mat > & img_lst, vector< Mat > & gradient_lst, c
vector< Point > location;
vector< float > descriptors;
auto& img = img_lst.begin();
auto& end = img_lst.end();
vector< Mat >::const_iterator img = img_lst.begin();
vector< Mat >::const_iterator end = img_lst.end();
for( ; img != end ; ++img )
{
cvtColor( *img, gray, COLOR_BGR2GRAY );
@ -349,8 +362,8 @@ void draw_locations( Mat & img, const vector< Rect > & locations, const Scalar &
{
if( !locations.empty() )
{
auto& loc = locations.begin();
auto& end = locations.end();
vector< Rect >::const_iterator loc = locations.begin();
vector< Rect >::const_iterator end = locations.end();
for( ; loc != end ; ++loc )
{
rectangle( img, *loc, color, 2 );
@ -364,7 +377,7 @@ void test_it( const Size & size )
Scalar reference( 0, 255, 0 );
Scalar trained( 0, 0, 255 );
Mat img, draw;
MySVM svm;
SVM svm;
HOGDescriptor hog;
HOGDescriptor my_hog;
my_hog.winSize = size;