cv::GMat scores[MAX_PYRAMID_LEVELS];

cv::GArray<custom::Face> nms_p_faces[MAX_PYRAMID_LEVELS];

cv::GArray<custom::Face> total_faces[MAX_PYRAMID_LEVELS];

//The very first PNet pyramid layer to init total_faces[0]

in_resized[0] = cv::gapi::resize(in_originalRGB, level_size[0]);

cv::GArray<custom::Face> faces0 = custom::BuildFaces::on(scores[0], regressions[0], static_cast<float>(scales[0]), conf_thresh_p);

cv::GArray<custom::Face> final_p_faces_for_bb2squares = custom::ApplyRegression::on(faces0, true);

cv::GArray<custom::Face> final_faces_pnet0 = custom::BBoxesToSquares::on(final_p_faces_for_bb2squares);

//The rest PNet pyramid layers to accumlate all layers result in total_faces[PYRAMID_LEVELS - 1]]

for (int i = 1; i < pyramid_levels; ++i)

{