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Merge pull request #7978 from logic1988:master

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Fix error usage in HitMiss tutorial, and improved the visualization results (#7978)

* Fix error usage in HitMiss tutorial, and improved the visualization results

Fix error usage in HitMiss tutorial, and improved the visualization results

* Update HitMiss.cpp

* Update HitMiss.cpp
This commit is contained in:
logic1988 2017-01-16 18:19:24 +08:00 committed by Alexander Alekhin
parent 256aa53326
commit a8e5d1d9fd
1 changed files with 9 additions and 4 deletions
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13
samples/cpp/tutorial_code/ImgProc/HitMiss.cpp
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@ -15,7 +15,7 @@ int main(){
0, 255, 0, 255, 0, 0, 255, 0, 0, 255, 0, 255, 0, 0, 255, 0,
0, 255, 255, 255, 0, 0, 0, 0); 0, 255, 255, 255, 0, 0, 0, 0);
Mat kernel = (Mat_<uchar>(3, 3) << Mat kernel = (Mat_<int>(3, 3) <<
0, 1, 0, 0, 1, 0,
1, -1, 1, 1, -1, 1,
0, 1, 0); 0, 1, 0);
@ -23,10 +23,15 @@ int main(){
Mat output_image; Mat output_image;
morphologyEx(input_image, output_image, MORPH_HITMISS, kernel); morphologyEx(input_image, output_image, MORPH_HITMISS, kernel);
namedWindow("Original", CV_WINDOW_NORMAL); const int rate = 10;
kernel = (kernel + 1) * 127;
kernel.convertTo(kernel, CV_8U);
cv::resize(kernel, kernel, cv::Size(), rate, rate, INTER_NEAREST);
imshow("kernel", kernel);
cv::resize(input_image, input_image, cv::Size(), rate, rate, INTER_NEAREST);
imshow("Original", input_image); imshow("Original", input_image);
namedWindow("Hit or Miss", CV_WINDOW_NORMAL); cv::resize(output_image, output_image, cv::Size(), rate, rate, INTER_NEAREST);
imshow("Hit or Miss", output_image); imshow("Hit or Miss", output_image);
waitKey(0); waitKey(0);
return 0; return 0;
} }