Function get_pixel_vector

maxflow_python/util.cpp:14–21

template<typename T>
std::vector<T> get_pixel_vector(const T * data, int height, int width, int channel, int h, int w)
{
    std::vector<T> pixel_vector(channel);
    for (int c = 0; c < channel; c++){
        pixel_vector[c]= data[h * width * channel + w * channel + c];
    }
    return pixel_vector;
}

template<typename T>
void set_pixel(T * data,  int height, int width, int h, int w, T value)