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36 lines
1.0 KiB
C++
36 lines
1.0 KiB
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 <opencv2/gpu/gpu.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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using namespace cv::gpu;
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#include <android/log.h>
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#define LOG_TAG "Cuda"
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#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
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extern "C" {
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JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Tutorial4Activity_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba);
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JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Tutorial4Activity_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba)
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{
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Mat& mGr = *(Mat*)addrGray;
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Mat& mRgb = *(Mat*)addrRgba;
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vector<KeyPoint> keypoints;
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GpuMat grGpu(mGr);
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FAST_GPU fast(50);
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fast(grGpu, GpuMat(), keypoints);
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for( unsigned int i = 0; i < keypoints.size(); i++ )
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{
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const KeyPoint& kp = keypoints[i];
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circle(mRgb, Point(kp.pt.x, kp.pt.y), 10, Scalar(255,0,0,255));
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}
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}
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}
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