vs调用matlab程序进行图像处理程序崩溃
void MyPlayer::OnBnClickedButton4()//测试matlab转dll的键
{
// TODO: Add your control notification handler code here
/*
LIB_gbvsfastdll_CPP_API
void MW_CALL_CONV gbvs_fast(int nargout, mwArray& out, const mwArray& img)
{
mclcppMlfFeval(_mcr_inst, "gbvs_fast", nargout, 1, 1, &out, &img);
c++接口:
1个输出参数&out
1个输入参数&img
}*/
using namespace cv;
gbvsfastdllInitialize();
if (!gbvsfastdllInitialize())
{
CString str1("Can not initialize lib");
MessageBox(str1);
while(1);
}
Mat disp_image = cv :: imread("E://YSC//yanershang//graduation design//practice//test_myplayeryu_dll2image//test_myplayeryu//1.jpg");
//imread要用绝对路径 //C++读入一幅图像,disp_image
mwSize mdim[3] ={disp_image.rows,disp_image.cols,3};
mwArray mdisp_imagein(3,mdim,mxDOUBLE_CLASS,mxREAL); //matlab型的图像,mdisp_imagein
//C++输入转matlab 接口矩阵转化及像素归一化
for(int j = 0; j < disp_image.rows; j++)
{
for(int i = 0; i < disp_image.cols; i++)
{
Vec3b& mp = disp_image.at<Vec3b>(j, i); //C++用向量存储像素值
double B = mp.val[0]*1.0/255; //像素归一化到0-1之间
double G = mp.val[1]*1.0/255;
double R = mp.val[2]*1.0/255;
mdisp_imagein(j+1,i+1,1)=R; //matlab中用三个面R,G,B存储像素值
mdisp_imagein(j+1,i+1,2)=G; //C++图像矩阵像素值赋给matlab矩阵
mdisp_imagein(j+1,i+1,3)=B;
}
}
mwArray mdisp_imageout(3,mdim,mxDOUBLE_CLASS,mxREAL); //matlab型,经matlab处理后的输出图像,mdisp_imageoout
gbvs_fast(1,mdisp_imageout,mdisp_imagein);//运行到这都没问题,后面maltab转c++就报错
//matlab结果转C++
Mat output_image=disp_image.clone();
for(int j = 0; j < disp_image.rows; j++){
for(int i = 0; i < disp_image.cols*3; i++){
double Bd = mdisp_imageout.Get(3,j+1,i+1,3);
double Gd = mdisp_imageout.Get(3,j+1,i+1,2);
double Rd = mdisp_imageout.Get(3,j+1,i+1,1);
int B=int(Bd*255); //像素范围扩展到0-255
int G=int(Gd*255);
int R=int(Rd*255);
output_image.at<Vec3b>(j, i)[0] = B; //matlab图像矩阵像素值赋给C++
output_image.at<Vec3b>(j, i)[1] = G;
output_image.at<Vec3b>(j, i)[2] = R;
}
}
gbvsfastdllTerminate();
}
程序报错Unhandled exception at 0x7c812fd3 in test_myplayeryu.exe: Microsoft C++ exception: mwException at memory location 0x0012eff0..
MFC的界面,按按钮,调用matlab程序进行图片处理。
matlab程序是gbvs_fast,主要进行显著图计算。
vs主要就是把图片传进来,matlab处理之后再把图片传出去。
图像矩阵传递部分有问题。matlab是mwArray类型(图片存储RGB顺序),C是Mat类型(BGR顺序)。matlab矩阵下标从1开始,C从0开始。
网上查的路径问题、ctr考到目录里之类的方法都试过了。感觉是指针越界,图片保存的时候与输入进来的图片不匹配。
已经查了3天,没查出问题==希望大神们多多指教!万分感谢!