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Build tutorial codes together with other samples

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These codes should be included into regular builds.
This commit is contained in:
Andrey Kamaev
2012-11-07 18:21:20 +04:00
parent 6484732509
commit b131dfeecd
58 changed files with 420 additions and 354 deletions
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8
samples/cpp/tutorial_code/ShapeDescriptors/findContours_demo.cpp
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@@ -24,7 +24,7 @@ void thresh_callback(int, void* );
/**
* @function main
*/
int main( int argc, char** argv )
int main( int, char** argv )
{
/// Load source image and convert it to gray
src = imread( argv[1], 1 );
@@ -34,7 +34,7 @@ int main( int argc, char** argv )
blur( src_gray, src_gray, Size(3,3) );
/// Create Window
char* source_window = "Source";
const char* source_window = "Source";
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
imshow( source_window, src );
@@ -61,10 +61,10 @@ void thresh_callback(int, void* )
/// Draw contours
Mat drawing = Mat::zeros( canny_output.size(), CV_8UC3 );
for( int i = 0; i< contours.size(); i++ )
for( size_t i = 0; i< contours.size(); i++ )
{
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, (int)i, color, 2, 8, hierarchy, 0, Point() );
}
/// Show in a window

10
samples/cpp/tutorial_code/ShapeDescriptors/generalContours_demo1.cpp
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@@ -24,7 +24,7 @@ void thresh_callback(int, void* );
/**
* @function main
*/
int main( int argc, char** argv )
int main( int, char** argv )
{
/// Load source image and convert it to gray
src = imread( argv[1], 1 );
@@ -34,7 +34,7 @@ int main( int argc, char** argv )
blur( src_gray, src_gray, Size(3,3) );
/// Create Window
char* source_window = "Source";
const char* source_window = "Source";
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
imshow( source_window, src );
@@ -65,7 +65,7 @@ void thresh_callback(int, void* )
vector<Point2f>center( contours.size() );
vector<float>radius( contours.size() );
for( int i = 0; i < contours.size(); i++ )
for( size_t i = 0; i < contours.size(); i++ )
{ approxPolyDP( Mat(contours[i]), contours_poly[i], 3, true );
boundRect[i] = boundingRect( Mat(contours_poly[i]) );
minEnclosingCircle( contours_poly[i], center[i], radius[i] );
@@ -74,10 +74,10 @@ void thresh_callback(int, void* )
/// Draw polygonal contour + bonding rects + circles
Mat drawing = Mat::zeros( threshold_output.size(), CV_8UC3 );
for( int i = 0; i< contours.size(); i++ )
for( size_t i = 0; i< contours.size(); i++ )
{
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours_poly, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, contours_poly, (int)i, color, 1, 8, vector<Vec4i>(), 0, Point() );
rectangle( drawing, boundRect[i].tl(), boundRect[i].br(), color, 2, 8, 0 );
circle( drawing, center[i], (int)radius[i], color, 2, 8, 0 );
}

10
samples/cpp/tutorial_code/ShapeDescriptors/generalContours_demo2.cpp
View File

@@ -24,7 +24,7 @@ void thresh_callback(int, void* );
/**
* @function main
*/
int main( int argc, char** argv )
int main( int, char** argv )
{
/// Load source image and convert it to gray
src = imread( argv[1], 1 );
@@ -34,7 +34,7 @@ int main( int argc, char** argv )
blur( src_gray, src_gray, Size(3,3) );
/// Create Window
char* source_window = "Source";
const char* source_window = "Source";
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
imshow( source_window, src );
@@ -63,7 +63,7 @@ void thresh_callback(int, void* )
vector<RotatedRect> minRect( contours.size() );
vector<RotatedRect> minEllipse( contours.size() );
for( int i = 0; i < contours.size(); i++ )
for( size_t i = 0; i < contours.size(); i++ )
{ minRect[i] = minAreaRect( Mat(contours[i]) );
if( contours[i].size() > 5 )
{ minEllipse[i] = fitEllipse( Mat(contours[i]) ); }
@@ -71,11 +71,11 @@ void thresh_callback(int, void* )
/// Draw contours + rotated rects + ellipses
Mat drawing = Mat::zeros( threshold_output.size(), CV_8UC3 );
for( int i = 0; i< contours.size(); i++ )
for( size_t i = 0; i< contours.size(); i++ )
{
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
// contour
drawContours( drawing, contours, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, contours, (int)i, color, 1, 8, vector<Vec4i>(), 0, Point() );
// ellipse
ellipse( drawing, minEllipse[i], color, 2, 8 );
// rotated rectangle

12
samples/cpp/tutorial_code/ShapeDescriptors/hull_demo.cpp
View File

@@ -24,7 +24,7 @@ void thresh_callback(int, void* );
/**
* @function main
*/
int main( int argc, char** argv )
int main( int, char** argv )
{
/// Load source image and convert it to gray
src = imread( argv[1], 1 );
@@ -34,7 +34,7 @@ int main( int argc, char** argv )
blur( src_gray, src_gray, Size(3,3) );
/// Create Window
char* source_window = "Source";
const char* source_window = "Source";
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
imshow( source_window, src );
@@ -63,16 +63,16 @@ void thresh_callback(int, void* )
/// Find the convex hull object for each contour
vector<vector<Point> >hull( contours.size() );
for( int i = 0; i < contours.size(); i++ )
for( size_t i = 0; i < contours.size(); i++ )
{ convexHull( Mat(contours[i]), hull[i], false ); }
/// Draw contours + hull results
Mat drawing = Mat::zeros( threshold_output.size(), CV_8UC3 );
for( int i = 0; i< contours.size(); i++ )
for( size_t i = 0; i< contours.size(); i++ )
{
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, hull, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, contours, (int)i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, hull, (int)i, color, 1, 8, vector<Vec4i>(), 0, Point() );
}
/// Show in a window

20
samples/cpp/tutorial_code/ShapeDescriptors/moments_demo.cpp
View File

@@ -24,7 +24,7 @@ void thresh_callback(int, void* );
/**
* @function main
*/
int main( int argc, char** argv )
int main( int, char** argv )
{
/// Load source image and convert it to gray
src = imread( argv[1], 1 );
@@ -34,7 +34,7 @@ int main( int argc, char** argv )
blur( src_gray, src_gray, Size(3,3) );
/// Create Window
char* source_window = "Source";
const char* source_window = "Source";
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
imshow( source_window, src );
@@ -61,20 +61,20 @@ void thresh_callback(int, void* )
/// Get the moments
vector<Moments> mu(contours.size() );
for( int i = 0; i < contours.size(); i++ )
for( size_t i = 0; i < contours.size(); i++ )
{ mu[i] = moments( contours[i], false ); }
/// Get the mass centers:
vector<Point2f> mc( contours.size() );
for( int i = 0; i < contours.size(); i++ )
{ mc[i] = Point2f( mu[i].m10/mu[i].m00 , mu[i].m01/mu[i].m00 ); }
for( size_t i = 0; i < contours.size(); i++ )
{ mc[i] = Point2f( static_cast<float>(mu[i].m10/mu[i].m00) , static_cast<float>(mu[i].m01/mu[i].m00) ); }
/// Draw contours
Mat drawing = Mat::zeros( canny_output.size(), CV_8UC3 );
for( int i = 0; i< contours.size(); i++ )
for( size_t i = 0; i< contours.size(); i++ )
{
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, (int)i, color, 2, 8, hierarchy, 0, Point() );
circle( drawing, mc[i], 4, color, -1, 8, 0 );
}
@@ -84,11 +84,11 @@ void thresh_callback(int, void* )
/// Calculate the area with the moments 00 and compare with the result of the OpenCV function
printf("\t Info: Area and Contour Length \n");
for( int i = 0; i< contours.size(); i++ )
for( size_t i = 0; i< contours.size(); i++ )
{
printf(" * Contour[%d] - Area (M_00) = %.2f - Area OpenCV: %.2f - Length: %.2f \n", i, mu[i].m00, contourArea(contours[i]), arcLength( contours[i], true ) );
printf(" * Contour[%d] - Area (M_00) = %.2f - Area OpenCV: %.2f - Length: %.2f \n", (int)i, mu[i].m00, contourArea(contours[i]), arcLength( contours[i], true ) );
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, (int)i, color, 2, 8, hierarchy, 0, Point() );
circle( drawing, mc[i], 4, color, -1, 8, 0 );
}
}

18
samples/cpp/tutorial_code/ShapeDescriptors/pointPolygonTest_demo.cpp
View File

@@ -16,7 +16,7 @@ using namespace std;
/**
* @function main
*/
int main( int argc, char** argv )
int main( void )
{
/// Create an image
const int r = 100;
@@ -25,12 +25,12 @@ int main( int argc, char** argv )
/// Create a sequence of points to make a contour:
vector<Point2f> vert(6);
vert[0] = Point( 1.5*r, 1.34*r );
vert[0] = Point( 3*r/2, static_cast<int>(1.34*r) );
vert[1] = Point( 1*r, 2*r );
vert[2] = Point( 1.5*r, 2.866*r );
vert[3] = Point( 2.5*r, 2.866*r );
vert[2] = Point( 3*r/2, static_cast<int>(2.866*r) );
vert[3] = Point( 5*r/2, static_cast<int>(2.866*r) );
vert[4] = Point( 3*r, 2*r );
vert[5] = Point( 2.5*r, 1.34*r );
vert[5] = Point( 5*r/2, static_cast<int>(1.34*r) );
/// Draw it in src
for( int j = 0; j < 6; j++ )
@@ -47,7 +47,7 @@ int main( int argc, char** argv )
for( int j = 0; j < src.rows; j++ )
{ for( int i = 0; i < src.cols; i++ )
{ raw_dist.at<float>(j,i) = pointPolygonTest( contours[0], Point2f(i,j), true ); }
{ raw_dist.at<float>(j,i) = (float)pointPolygonTest( contours[0], Point2f((float)i,(float)j), true ); }
}
double minVal; double maxVal;
@@ -61,16 +61,16 @@ int main( int argc, char** argv )
{ for( int i = 0; i < src.cols; i++ )
{
if( raw_dist.at<float>(j,i) < 0 )
{ drawing.at<Vec3b>(j,i)[0] = 255 - (int) abs(raw_dist.at<float>(j,i))*255/minVal; }
{ drawing.at<Vec3b>(j,i)[0] = (uchar)(255 - abs(raw_dist.at<float>(j,i))*255/minVal); }
else if( raw_dist.at<float>(j,i) > 0 )
{ drawing.at<Vec3b>(j,i)[2] = 255 - (int) raw_dist.at<float>(j,i)*255/maxVal; }
{ drawing.at<Vec3b>(j,i)[2] = (uchar)(255 - raw_dist.at<float>(j,i)*255/maxVal); }
else
{ drawing.at<Vec3b>(j,i)[0] = 255; drawing.at<Vec3b>(j,i)[1] = 255; drawing.at<Vec3b>(j,i)[2] = 255; }
}
}
/// Create Window and show your results
char* source_window = "Source";
const char* source_window = "Source";
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
imshow( source_window, src );
namedWindow( "Distance", CV_WINDOW_AUTOSIZE );