//單通道
#include <opencv2\opencv.hpp>
#include <iostream>
#include <conio.h>
int main()
{
float data[18]={3,4,5,6,7,8,
9,0,1,2,1,3,
4,5,6,6,7,8}; /*創建數據*/
CvMat mat ; /*創建矩陣*/
cvInitMatHeader(&mat ,3,6,CV_32FC1,data); /*初始化矩陣*/
//顯示矩陣
for(int y=0;y<mat.rows;y++)
{
for( int x=0;x<mat.cols;x++)
{double val = cvGetReal2D(&mat,y,x);
printf("%f ",val);}
printf("\n");
}
_getch();
return 0;
}
運行結果:
/* Initializes CvMat header */
CVAPI(CvMat*) cvInitMatHeader( CvMat* mat, int rows, int cols,
int type, void* data CV_DEFAULT(NULL),
int step CV_DEFAULT(CV_AUTOSTEP) );
//雙通道
#include <opencv2\opencv.hpp>
#include <iostream>
#include <conio.h>
int main()
{
float data[18]={3,4,5,6,7,8,
9,0,1,2,1,3,
4,5,6,6,7,8};
CvMat mat ;
cvInitMatHeader(&mat ,3,3,CV_32FC2,data);
for(int y=0;y<mat.rows;y++)
{
for( int x=0;x<mat.cols;x++)
{CvScalar value = cvGet2D(&mat,y,x);
printf("(%f %f) ",value.val[0],value.val[1]);}
printf("\n");
}
free(&mat);
_getch();
return 0;
}
運行結果: