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Update samples (#10333)

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* Update samples

* Update calib3d.hpp

* Update calib3d.hpp

* Update calib3d.hpp

* Update calib3d.hpp
This commit is contained in:
Suleyman TURKMEN
2017-12-18 12:44:11 +02:00
committed by Vadim Pisarevsky
parent d3a124c820
commit 1654dfe3a9
36 changed files with 285 additions and 224 deletions
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samples/cpp/tutorial_code/ShapeDescriptors/moments_demo.cpp
+13 -6
View File
@@ -23,10 +23,18 @@ void thresh_callback(int, void* );
/**
* @function main
*/
int main( int, char** argv )
int main( int argc, char** argv )
{
/// Load source image and convert it to gray
src = imread( argv[1], IMREAD_COLOR );
CommandLineParser parser( argc, argv, "{@input | ../data/stuff.jpg | input image}" );
src = imread( parser.get<String>( "@input" ), IMREAD_COLOR );
if( src.empty() )
{
cout << "Could not open or find the image!\n" << endl;
cout << "usage: " << argv[0] << " <Input image>" << endl;
exit(0);
}
/// Convert image to gray and blur it
cvtColor( src, src_gray, COLOR_BGR2GRAY );
@@ -51,12 +59,11 @@ void thresh_callback(int, void* )
{
Mat canny_output;
vector<vector<Point> > contours;
vector<Vec4i> hierarchy;
/// Detect edges using canny
Canny( src_gray, canny_output, thresh, thresh*2, 3 );
/// Find contours
findContours( canny_output, contours, hierarchy, RETR_TREE, CHAIN_APPROX_SIMPLE, Point(0, 0) );
findContours( canny_output, contours, RETR_TREE, CHAIN_APPROX_SIMPLE );
/// Get the moments
vector<Moments> mu(contours.size() );
@@ -73,7 +80,7 @@ void thresh_callback(int, void* )
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, (int)i, color, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, (int)i, color, 2, LINE_8 );
circle( drawing, mc[i], 4, color, -1, 8, 0 );
}
@@ -87,7 +94,7 @@ void thresh_callback(int, void* )
{
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, (int)i, color, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, (int)i, color, 2, LINE_8 );
circle( drawing, mc[i], 4, color, -1, 8, 0 );
}
}