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24 lines
640 B
C++
24 lines
640 B
C++
#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* env, jobject thiz, 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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