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Fix Mat indexing in TrackingMotion tutorial code (supersedes pull request #38)

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Andrey Kamaev 2012-10-12 12:58:16 +04:00
parent 304714862f
commit 83799d6bf4
1 changed files with 10 additions and 10 deletions
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20
samples/cpp/tutorial_code/TrackingMotion/cornerDetector_Demo.cpp
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@ -15,7 +15,7 @@ using namespace std;
/// Global variables /// Global variables
Mat src, src_gray; Mat src, src_gray;
Mat myHarris_dst; Mat myHarris_copy; Mat Mc; Mat myHarris_dst; Mat myHarris_copy; Mat Mc;
Mat myShiTomasi_dst; Mat myShiTomasi_copy; Mat myShiTomasi_dst; Mat myShiTomasi_copy;
int myShiTomasi_qualityLevel = 50; int myShiTomasi_qualityLevel = 50;
int myHarris_qualityLevel = 50; int myHarris_qualityLevel = 50;
@ -51,34 +51,34 @@ int main( int argc, char** argv )
cornerEigenValsAndVecs( src_gray, myHarris_dst, blockSize, apertureSize, BORDER_DEFAULT ); cornerEigenValsAndVecs( src_gray, myHarris_dst, blockSize, apertureSize, BORDER_DEFAULT );
/* calculate Mc */ /* calculate Mc */
for( int j = 0; j < src_gray.rows; j++ ) for( int j = 0; j < src_gray.rows; j++ )
{ for( int i = 0; i < src_gray.cols; i++ ) { for( int i = 0; i < src_gray.cols; i++ )
{ {
float lambda_1 = myHarris_dst.at<float>( j, i, 0 ); float lambda_1 = myHarris_dst.at<Vec6f>(j, i)[0];
float lambda_2 = myHarris_dst.at<float>( j, i, 1 ); float lambda_2 = myHarris_dst.at<Vec6f>(j, i)[1];
Mc.at<float>(j,i) = lambda_1*lambda_2 - 0.04*pow( ( lambda_1 + lambda_2 ), 2 ); Mc.at<float>(j,i) = lambda_1*lambda_2 - 0.04*pow( ( lambda_1 + lambda_2 ), 2 );
} }
} }
minMaxLoc( Mc, &myHarris_minVal, &myHarris_maxVal, 0, 0, Mat() ); minMaxLoc( Mc, &myHarris_minVal, &myHarris_maxVal, 0, 0, Mat() );
/* Create Window and Trackbar */ /* Create Window and Trackbar */
namedWindow( myHarris_window, CV_WINDOW_AUTOSIZE ); namedWindow( myHarris_window, CV_WINDOW_AUTOSIZE );
createTrackbar( " Quality Level:", myHarris_window, &myHarris_qualityLevel, max_qualityLevel, myHarris_function ); createTrackbar( " Quality Level:", myHarris_window, &myHarris_qualityLevel, max_qualityLevel, myHarris_function );
myHarris_function( 0, 0 ); myHarris_function( 0, 0 );
/// My Shi-Tomasi -- Using cornerMinEigenVal /// My Shi-Tomasi -- Using cornerMinEigenVal
myShiTomasi_dst = Mat::zeros( src_gray.size(), CV_32FC1 ); myShiTomasi_dst = Mat::zeros( src_gray.size(), CV_32FC1 );
cornerMinEigenVal( src_gray, myShiTomasi_dst, blockSize, apertureSize, BORDER_DEFAULT ); cornerMinEigenVal( src_gray, myShiTomasi_dst, blockSize, apertureSize, BORDER_DEFAULT );
minMaxLoc( myShiTomasi_dst, &myShiTomasi_minVal, &myShiTomasi_maxVal, 0, 0, Mat() ); minMaxLoc( myShiTomasi_dst, &myShiTomasi_minVal, &myShiTomasi_maxVal, 0, 0, Mat() );
/* Create Window and Trackbar */ /* Create Window and Trackbar */
namedWindow( myShiTomasi_window, CV_WINDOW_AUTOSIZE ); namedWindow( myShiTomasi_window, CV_WINDOW_AUTOSIZE );
createTrackbar( " Quality Level:", myShiTomasi_window, &myShiTomasi_qualityLevel, max_qualityLevel, myShiTomasi_function ); createTrackbar( " Quality Level:", myShiTomasi_window, &myShiTomasi_qualityLevel, max_qualityLevel, myShiTomasi_function );
myShiTomasi_function( 0, 0 ); myShiTomasi_function( 0, 0 );
waitKey(0); waitKey(0);
return(0); return(0);
} }