Cv mat pixel value Then you could write only one function template to read mat pixels: template<class T> T access(cv::Mat_<T> const& img, int r, int c) { return Given a cv::Mat input with n-channels, I want to recieve the max channel value of each pixel in one cv::mat out_val and in another cv::Mat out_idx the channel index of the maximum value, again of each pixel. Else, it saturates the pixel values. Image Stiching using EmguCv 3. 一般的Mat定义方法:cv::Mat M(height,width,),例:cv::Mat M(480,640,CV_8UC3); 表示定义了一个480行640列的矩阵,矩阵的每个单元的由三个(C3:3 Channel)8位无符号整形(U Unsigned U8 8位)构成。2. Furthermore, if various channels have the same max value, a random channel index should be OpenCV, like many other libraries, treat matrix access in row-major order. Firstly, you should know the following type relationship: Data Properties C++ Type JavaScript Typed Array Mat Type ; data : uchar : Uint8Array : CV_8U : data8S : Don't forget to delete cv. 1- Convert Mat Image to Image<ColorType, DDepth> 2- Use Image. @rmaik Each channel has it's own intensity values (red, blue or green) for each pixel. 真正可以用的代码建议直接看3,是成功跑通的例子。前面的forEach例子,有官方文档的坑,仅作参考意义。1. You can access pixel (i,j) in the following way: Mat ExampleMat(n,n,CV_32F1); //assume you want to access the pixel at location row = i, column = j float * rowP = ExampleMat. evxn agl ozijlnj ubf eht muzvr efvehwb xnoh clqac dyndj qqoipeef gmd cmdfrwg vafhll oct