C++ OpenCV findContours()错误VS2015 Opencv2413
我在运行OpenCVC++ OpenCV findContours()错误VS2015 Opencv2413,c++,opencv,debugging,break,C++,Opencv,Debugging,Break,我在运行OpenCVfindContours时遇到问题。我不太明白错误是什么。在构建过程中,没有错误 以下是错误消息: ] 这是我的密码: #include <iostream> #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" using namespace cv; using namespace std; int main(int argc, char** argv) {
findContours
时遇到问题。我不太明白错误是什么。在构建过程中,没有错误
以下是错误消息:
]
这是我的密码:
#include <iostream>
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
using namespace cv;
using namespace std;
int main(int argc, char** argv)
{
VideoCapture cap(0); //capture the video from web cam
if (!cap.isOpened()) // if not success, exit program
{
cout << "Cannot open the web cam" << endl;
return -1;
}
namedWindow("Control", CV_WINDOW_AUTOSIZE); //create a window called "Control"
int iLowH = 0;
int iHighH = 179;
int iLowS = 0;
int iHighS = 255;
int iLowV = 0;
int iHighV = 255;
//Create trackbars in "Control" window
cvCreateTrackbar("LowH", "Control", &iLowH, 179); //Hue (0 - 179)
cvCreateTrackbar("HighH", "Control", &iHighH, 179);
cvCreateTrackbar("LowS", "Control", &iLowS, 255); //Saturation (0 - 255)
cvCreateTrackbar("HighS", "Control", &iHighS, 255);
cvCreateTrackbar("LowV", "Control", &iLowV, 255); //Value (0 - 255)
cvCreateTrackbar("HighV", "Control", &iHighV, 255);
while (true)
{
Mat imgOriginal;
bool bSuccess = cap.read(imgOriginal); // read a new frame from video
if (!bSuccess) //if not success, break loop
{
cout << "Cannot read a frame from video stream" << endl;
break;
}
Mat imgHSV;
cvtColor(imgOriginal, imgHSV, COLOR_BGR2HSV); //Convert the captured frame from BGR to HSV
Mat imgThresholded;
inRange(imgHSV, Scalar(iLowH, iLowS, iLowV), Scalar(iHighH, iHighS, iHighV), imgThresholded); //Threshold the image
//morphological opening (remove small objects from the foreground)
erode(imgThresholded, imgThresholded, getStructuringElement(MORPH_ELLIPSE, Size(5, 5)));
dilate(imgThresholded, imgThresholded, getStructuringElement(MORPH_ELLIPSE, Size(5, 5)));
//morphological closing (fill small holes in the foreground)
dilate(imgThresholded, imgThresholded, getStructuringElement(MORPH_ELLIPSE, Size(5, 5)));
erode(imgThresholded, imgThresholded, getStructuringElement(MORPH_ELLIPSE, Size(5, 5)));
vector<vector<Point> > contours;
vector<Vec4i> hierarchy;
findContours(imgThresholded, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0));
imshow("Thresholded Image", imgThresholded); //show the thresholded image
imshow("Original", imgOriginal); //show the original image
if (waitKey(30) == 27) //wait for 'esc' key press for 30ms. If 'esc' key is pressed, break loop
{
cout << "esc key is pressed by user" << endl;
break;
}
}
return 0;
}
#包括
#包括“opencv2/highgui/highgui.hpp”
#包括“opencv2/imgproc/imgproc.hpp”
使用名称空间cv;
使用名称空间std;
int main(int argc,字符**argv)
{
VideoCapture cap(0);//从网络摄像机捕获视频
如果(!cap.isopend())//如果不成功,退出程序
{
cout实际上,这是VS2013、VS2015和OpenCV之间已知的兼容性错误。我的临时解决方案是在返回之前添加下面显示的两行
cv::imshow("img", threshold);
cv::destroyAllWindows();
我也遇到了这些错误,但是在VisualStudio2010上开发时,我花了很多时间在这些错误上。
最后,我发现这是因为我使用了opencv-lib而不是vc10(对于vs2010)和vc14(对于vs2015)。
更改opencv库可更正此错误。
vc10-opencv库的构建也花费了我很多时间。当有人尝试过但opencv构建仍然没有成功时,请与我联系。我可能可以帮助你。发布最小代码来复制,这是不可能的。从错误来看,你似乎正在访问不应该访问的内存,也许你没有分配一些内存所需输入。例如,您链接的OpenCV库的全名是什么?在本例中,您是在调试模式还是发布模式下编译应用程序?@DanMašek我是在调试模式下编译的。库列表:OpenCV_core2413d.lib OpenCV_imgproc2413d.lib OpenCV_highgui2413d.lib OpenCV_ml24134;.lib OpenCV_video24134;.lib OpenCV features2413d.lib opencv_calib3d2413d.lib opencv_legacy2413d.lib opencv_objdetect2413d.lib opencv_contrib2413d.lib opencv_flann2413d。lib@AdibIdzam好的。下一个问题,你是否建立了自己的OpenCV二进制文件?或者你得到了一些预编译的二进制文件吗?如果是这样,他们用什么来编译?MMSS 2015有Visual C++ 14(<代码> VC14<代码>)默认情况下,vc12
出现在MSVS2013中,vc11
出现在MSVS2012中。恐怕2.4.13的官方下载包中只有vc11和vc12的二进制文件。@DanMašek我使用了2.4.13Dan Masek包中的vc11,我感谢它的改进。另外@Tom,感谢它帮助消除了FindOntours的错误。添加行的原因是什么?不知道为什么有人否决了你的回答。但也许你可以扩展一下库的主题?什么是opencv-lib
?什么是vc10
,vc14
?