【opencv练习09 - 图片线性加权融合】

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/********************************************************测试程序 - 【线性融合，权值相加】时间：2016年8月13日
********************************************************///博客自己实现
void blending()  
{  Mat src1, src2, dst;  double alpha = 0.5;  double beta = 1-alpha;  double gama = 0;  src1 = imread("LinuxLogo.jpg");  src2 = imread("WindowsLogo.jpg");  //判断两幅图片是否相同  CV_Assert(src1.depth() == CV_8U);  CV_Assert(src1.depth() == src2.depth());  CV_Assert(src1.size() == src2.size());  //为dst申请内存  dst.create(src1.size(), src1.type());  const int nChannels = src1.channels();  if(!src1.data) cout<<"error loading src1"<<endl;  if(!src2.data) cout<<"Error loading src2"<<endl;  for (int i=0; i<src1.rows; i++)  {  const uchar* src1_ptr = src1.ptr<uchar>(i);  const uchar* src2_ptr = src2.ptr<uchar>(i);  uchar* dst_ptr  = dst.ptr<uchar>(i);  for (int j=0; j<src1.cols*nChannels; j++)  {  dst_ptr[j] = src1_ptr[j]*alpha + src2_ptr[j]*beta + gama;  }  }  imshow("output2",dst);  //  cvWaitKey(0);  
}  void main(void)
{//线性融合参数double alpha = 0.2;double beta;double input;Mat src1, src2, dst;//输入alpha 【0-1】src1 = imread("Cat.jpg",CV_LOAD_IMAGE_COLOR);           src2 = imread("FC2.jpg",CV_LOAD_IMAGE_COLOR);beta = 1-alpha;addWeighted(src1, alpha, src2, beta, 0.0, dst);imshow("Disp Liner Blend 线性融合_YY",dst);         imshow("Disp Cat_YY",src1);         //showimshow("Disp FC2_YY",src2);         //showwaitKey(0);
}