OpenCV Error: Assertion failed (DataType<_Tp>::channels == m.channels()) in cv::
Mat_<float>::operator =, file d:\program files (x86)\opencv\opencv\build\include
\opencv2\core\mat.hpp, line 896
#include<opencv2\core\core.hpp>
#include<opencv2\highgui\highgui.hpp>
#include<opencv2\imgproc\imgproc.hpp>
#include<iostream>
using namespace cv;
int main()
{
Mat srcImage=imread("005.jpg");
if(!srcImage.data)
{
printf("Reading files failed!\n");
return false;
}
imshow("Original image",srcImage);
//ShowHelpText();
int m=getOptimalDFTSize(srcImage.rows);
int n=getOptimalDFTSize(srcImage.cols);
Mat padded;
copyMakeBorder(srcImage,padded,0,m-srcImage.rows,0,n-srcImage.cols,BORDER_CONSTANT,Scalar::all(0));
Mat planes[]={Mat_<float>(padded),Mat::zeros(padded.size(),CV_32F)};
Mat complexI;
merge(planes,2,complexI);
dft(complexI,complexI);
split(complexI,planes);
magnitude(planes[0],planes[1],planes[0]);
Mat magnitudeImage=planes[0];
magnitudeImage+=Scalar::all(1);
log(magnitudeImage,magnitudeImage);
magnitudeImage=magnitudeImage(Rect(0,0,magnitudeImage.cols&-2,magnitudeImage.rows&-2));
int cx=magnitudeImage.cols/2;
int cy=magnitudeImage.rows/2;
Mat q0(magnitudeImage,Rect(0,0,cx,cy));
Mat q1(magnitudeImage,Rect(cx,0,cx,cy));
Mat q2(magnitudeImage,Rect(0,cy,cx,cy));
Mat q3(magnitudeImage,Rect(cx,cy,cx,cy));
Mat tmp;
q0.copyTo(tmp);
q3.copyTo(q0);
tmp.copyTo(q3);
q1.copyTo(tmp);
q2.copyTo(q1);
tmp.copyTo(q2);
normalize(magnitudeImage,magnitudeImage,0,0,CV_MINMAX);
normalize(magnitudeImage,magnitudeImage,0,0,NORM_MINMAX);
imshow("Magnitude values",magnitudeImage);
waitKey(0);
return 0;
}
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