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我嘗試使用teh cvBlob lib進行blob檢測,在opencv下的Ubuntu但我在開始時被阻止。當我嘗試編譯的例子在那裏形成的網站:cvBlob示例不工作cvLabel
#include <cv.h>
#include <highgui.h>
#include <stdio.h>
#include "cvblob.h"
using namespace cvb;
using namespace std;
int main(int argc,char** argv){
if(argv[1] == NULL){
printf("\n Please Provide a valid Argument \n");
return(0);
}
else{
IplImage* src = cvLoadImage(argv[1],CV_LOAD_IMAGE_UNCHANGED);
cvNamedWindow("Original",CV_WINDOW_AUTOSIZE);
cvShowImage("Original",src);
IplImage src_g;
cvThreshold(src, src_g,35,255, CV_THRESH_BINARY);
IplImage *labelImg=cvCreateImage(cvGetSize(src_g), IPL_DEPTH_LABEL, 1);
CvBlobs blobs;
unsigned int result=cvb::CvLabel(src_g, labelImg, blobs);
cvRenderBlobs(labelImg, blobs, src, src);
for (CvBlobs::const_iterator it=blobs.begin(); it!=blobs.end(); ++it)
{
cout << "Blob #" << it->second->label << ": Area=" << it->second->area << ", Centroid=(" << it->second->centroid.x << ", " << it->second->centroid.y << ")" << endl;
}
cvNamedWindow("Mod", CV_WINDOW_AUTOSIZE);
cvShowImage("Mod", src);
cvWaitKey(0);
cvReleaseImage(&src);
cvReleaseImage(&src_g);
cvDestroyWindow("Image");
return(0);
}
}
我得到這個錯誤此生unsigned int result=cvb::CvLabel(src_g, labelImg, blobs);
:
home/rrg/OpenCV-2.4.3/release/bagDetect/main.cpp: In function ‘int main(int, char**)’:
/home/rrg/OpenCV-2.4.3/release/bagDetect/main.cpp:28: error: functional cast expression list treated as compound expression
/home/rrg/OpenCV-2.4.3/release/bagDetect/main.cpp:28: error: invalid cast from type ‘cvb::CvBlobs’ to type ‘cvb::CvLabel’
make[2]: *** [CMakeFiles/bag.dir/main.o] Error 1
make[1]: *** [CMakeFiles/bag.dir/all] Error 2
make: *** [all] Error 2
我不知道應該是什麼問題!
在第一個答案中提到的修改之後,我得到一個鏈接錯誤:(
Linking CXX executable bag
CMakeFiles/bag.dir/main.o: In function `main':
main.cpp:(.text+0x103): undefined reference to `cvLabel'
main.cpp:(.text+0x134): undefined reference to `cvRenderBlobs'
collect2: ld returned 1 exit status
什麼,在哪裏我應該把被認可上述(CMakeList或Makefile文件)
哦,上帝cvLabel(),U是對的,但是現在我有一個類似的問題在我的其他職位的人提了......我也添加到這一個。 – Elod
嗨@ Elod,關於鏈接:我設法鏈接:'gcc main.cpp'pkg-config --cflags opencv' -o測試'pkg-config cvblob opencv --libs''。在選項列表末尾加上--libs是一個好習慣。問候,TL – tlelente