opencv实现两幅图片的加权融合

int _tmain(int argc, _TCHAR* argv[])
{

IplImage *src1, *src2;
src1 = cvLoadImage("E:\\butterfly_GT.bmp",-1);
src2 = cvLoadImage("E:\\bird_GT.bmp", -1);
//cvShowImage("Alphablend", src1);
//cvShowImage("Alphablend4", src2);
//cvWaitKey(0);
if (((src1 = cvLoadImage("E:\\butterfly_GT.bmp", 1)) != 0
) && ((src2 = cvLoadImage("E:\\bird_GT.bmp", 1)) != 0))
{
//int x = atoi(argv[3]);//把字符串转换成整型数。
int x = 90;
int y = 90;
int width = 100;
int height = 100;
double alpha = 0.1;//加权融合占得比列
double beta = 1;
cvSetImageROI(src1, cvRect(x, y, width, height));
cvSetImageROI(src2, cvRect(100,30, width, height));
cvAddWeighted(src1, alpha, src2, beta, 0.0, src1);
cvResetImageROI(src1);
cvNamedWindow("Alpha_blend", 1);
cvShowImage("Alpha_blend", src1);
cvWaitKey();
}
else
printf("Couldn't load one ");

system("pause");
return 0;

}