我已经下载了OpenCV项目的android和与它捆绑在一起的示例项目包含几个错误.... 只有包含NDK代码的项目有错误.... 问题是,C++代码展示了许多错误...... 喜欢的jstring关键字不认可.. 请帮我解决这个问题... 请多关照您的宝贵时间OpenCV for android示例程序显示错误
#include <jni.h>
#include <opencv2/core/core.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/features2d/features2d.hpp>
#include <vector>
using namespace std;
using namespace cv;
extern "C" {
JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial3_Sample3View_FindFeatures(JNIEnv* env, jobject, jint width, jint height, jbyteArray yuv, jintArray bgra)
{
jbyte* _yuv = env->GetByteArrayElements(yuv, 0);
jint* _bgra = env->GetIntArrayElements(bgra, 0);
Mat myuv(height + height/2, width, CV_8UC1, (unsigned char *)_yuv);
Mat mbgra(height, width, CV_8UC4, (unsigned char *)_bgra);
Mat mgray(height, width, CV_8UC1, (unsigned char *)_yuv);
//Please make attention about BGRA byte order
//ARGB stored in java as int array becomes BGRA at native level
cvtColor(myuv, mbgra, CV_YUV420sp2BGR, 4);
vector<KeyPoint> v;
FastFeatureDetector detector(50);
detector.detect(mgray, v);
for(size_t i = 0; i < v.size(); i++)
circle(mbgra, Point(v[i].pt.x, v[i].pt.y), 10, Scalar(0,0,255,255));
env->ReleaseIntArrayElements(bgra, _bgra, 0);
env->ReleaseByteArrayElements(yuv, _yuv, 0);
}
}
错误..
Unresolved inclusion: <vector>
Symbol 'std' could not be resolved
您应该发布错误消息和它们对应的代码。 – Michael 2012-07-27 08:45:10
@Michael ...请参阅编辑.. – 2012-07-27 08:59:05
您使用的是Eclipse吗?如果是这样,你有没有试过这个:http://stackoverflow.com/questions/9375708/eclipse-indexer-errors-when-using-stl-with-android-ndk? – Michael 2012-07-27 09:08:50