include <iostream>

I am getting a crash in Visual Studio 2010 express. Unhandled exception at ..., exception: cv::Exception at memory location ...

Also says: OpenCV Error: Assertion failed (scn == 3 || scn == 4) in unknown function, file ......\modules\imgproc\src\color.cpp, line 3256

include <dirent.h>

include "opencv2/highgui/highgui.hpp"

include "opencv2/calib3d/calib3d.hpp"

include "opencv2/imgproc/imgproc.hpp"

include "opencv2/features2d/features2d.hpp"

include "opencv2/nonfree/nonfree.hpp"

int main(int argc, char** argv) {

cv::Mat img_1 = cv::imread( argv[1] );
cv::Mat img_1_gray;

cv::cvtColor(img_1, img_1_gray, CV_RGB2GRAY);    

return 0;

}

include <iostream>

I am getting a crash in Visual Studio 2010 express. Unhandled exception at ..., exception: cv::Exception at memory location ...

Also says: OpenCV Error: Assertion failed (scn == 3 || scn == 4) in unknown function, file ......\modules\imgproc\src\color.cpp, line 3256

include <dirent.h>

include "opencv2/highgui/highgui.hpp"

include "opencv2/calib3d/calib3d.hpp"

include "opencv2/imgproc/imgproc.hpp"

include "opencv2/features2d/features2d.hpp"

include "opencv2/nonfree/nonfree.hpp"

int main(int argc, char** argv) {

cv::Mat img_1 = cv::imread( argv[1] );
cv::Mat img_1_gray;

cv::cvtColor(img_1, img_1_gray, CV_RGB2GRAY);    

return 0;

}

I am getting a crash in Visual Studio 2010 express. Unhandled exception at ..., exception: cv::Exception at memory location ...

Also says: OpenCV Error: Assertion failed (scn == 3 || scn == 4) in unknown function, file ......\modules\imgproc\src\color.cpp, line 3256

include <iostream>

include <dirent.h>

include "opencv2/highgui/highgui.hpp"

include "opencv2/calib3d/calib3d.hpp"

include "opencv2/imgproc/imgproc.hpp"

include "opencv2/features2d/features2d.hpp"

include "opencv2/nonfree/nonfree.hpp"

int main(int argc, char** argv) {

cv::Mat img_1 = cv::imread( argv[1] );
cv::Mat img_1_gray;

cv::cvtColor(img_1, img_1_gray, CV_RGB2GRAY);    

return 0;

}

I am getting a crash in Visual Studio 2010 express. Unhandled exception at ..., exception: cv::Exception at memory location ...

Also says: OpenCV Error: Assertion failed (scn == 3 || scn == 4) in unknown function, file ......\modules\imgproc\src\color.cpp, line 3256

#include <iostream>
#include <dirent.h>
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/calib3d/calib3d.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/features2d/features2d.hpp"
#include "opencv2/nonfree/nonfree.hpp"
 
include <dirent.h>
 
include "opencv2/highgui/highgui.hpp"
 
include "opencv2/calib3d/calib3d.hpp"
 
include "opencv2/imgproc/imgproc.hpp"
 
include "opencv2/features2d/features2d.hpp"
 
include "opencv2/nonfree/nonfree.hpp"
 
int main(int argc, char** argv)
{{
  
 cv::Mat img_1 = cv::imread( argv[1] );
 cv::Mat img_1_gray;
 cv::cvtColor(img_1, img_1_gray, CV_RGB2GRAY);
 return 0;
}
  
}