example_array_hog.cpp

 
#include <cmath>
#include <Pds/Ra>
#include <Pds/Sp>
    
int main(void)
{   
    std::vector<Pds::Array<unsigned char>> Block;
    Pds::Matrix Mag;
    Pds::Matrix Ang;
 
    Block=Pds::Array<unsigned char>::ImportBmpFile("../manual/imagenes/pattern.bmp");
    if(Block.size()==0) {std::cout<<"Error\n"; return 0;}
 
    std::cout<<"Block.size(): "<<Block.size()<<std::endl;
 
    Pds::Image::Gradient(Block[0],Mag,Ang);
 
    Mag.Scale(0,255).ExportBmpFile(Pds::Colormap::Gray,"pattern_hog_magnitude.bmp");
    Ang.Scale(0,255).ExportBmpFile(Pds::Colormap::Gray,"pattern_hog_angle.bmp");
 
 
    return 0;
}