How do I pass an OpenCV Mat into a C++ Tensorflow graph?

Question

In Tensorflow C++ I can load an image file into the graph using

tensorflow::Node* file_reader =  tensorflow::ops::ReadFile(tensorflow::ops::Const(IMAGE_FILE_         


        

Answer 1

Tensor convertMatToTensor(Mat &input)
{
    int height = input.rows;
    int width = input.cols;
    int depth = input.channels();

    Tensor imgTensor(tensorflow::DT_FLOAT, tensorflow::TensorShape({height, width, depth}));

    float* p = imgTensor.flat().data();
    Mat outputImg(height, width, CV_32FC3, p);
    input.convertTo(outputImg, CV_32FC3);

    return imgTensor;
}