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Open Source Computer Vision Library
https://opencv.org/
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23 lines
631 B
23 lines
631 B
#include <jni.h> |
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#include <opencv2/core/core.hpp> |
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#include <opencv2/imgproc/imgproc.hpp> |
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#include <opencv2/features2d/features2d.hpp> |
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#include <vector> |
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using namespace std; |
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using namespace cv; |
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extern "C" { |
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JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Sample4View_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba) |
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{ |
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Mat* pMatGr=(Mat*)addrGray; |
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Mat* pMatRgb=(Mat*)addrRgba; |
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vector<KeyPoint> v; |
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FastFeatureDetector detector(50); |
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detector.detect(*pMatGr, v); |
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for( size_t i = 0; i < v.size(); i++ ) |
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circle(*pMatRgb, Point(v[i].pt.x, v[i].pt.y), 10, Scalar(255,0,0,255)); |
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} |
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}
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