OpenBR Face and Eyes detection using C++

Makefile OpenBR

PKG_CONFIG_PATH := /usr/local/opt/qt5/lib/pkgconfig/:/usr/local/lib/pkgconfig/:/usr/lib/pkgconfig/
export PKG_CONFIG_PATH
SHELL := /bin/bash
CC = g++
CFLAGS=-std=c++11 -Wall -Wno-overloaded-virtual -O2 `pkg-config --cflags opencv Qt5Core Qt5Concurrent`
CXXFLAGS=$(CFLAGS)
LDFLAGS=-lm -lopenbr `pkg-config --libs opencv Qt5Core Qt5Concurrent`

OpenBR C++

#include <openbr/openbr_plugin.h>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>

int main(int argc, char *argv[]) {
  cv::Mat cvin = cv::imread(argv[1], CV_LOAD_IMAGE_COLOR);

  int a = 0;
  char *b[1];
  br::Context::initialize(a, b); // argc, argv
  
  QSharedPointer<br::Transform> transform =
      br::Transform::fromAlgorithm("Open+Cascade(FrontalFace)+ASEFEyes");

  br::Globals->enrollAll = true;
  br::Template q0(cvin);
  br::TemplateList querylist;
  querylist.push_back(q0);
  querylist >> *transform;

  cv::imshow("Detector", querylist.front().m());
  cv::waitKey();

  cv::Mat vis = querylist.front().m();
  for (auto query : querylist) {
    const QPoint firstEye = query.file.get<QPoint>("First_Eye");
    const QPoint secondEye = query.file.get<QPoint>("Second_Eye");
    const QRect faceroi = query.file.get<QRect>("FrontalFace");


    printf("%s face: (%d, %d, %d, %d)\teyes: (%d, %d) (%d, %d)\n",
          qPrintable(query.file.fileName()),
          faceroi.x(), faceroi.y(), faceroi.width(), faceroi.height(),
          firstEye.x(), firstEye.y(), secondEye.x(), secondEye.y());

    cv::Point fe(firstEye.x(), firstEye.y()), se(secondEye.x(), secondEye.y());
    cv::circle(vis, fe, 5.0, cv::Scalar(255, 0, 0));
    cv::circle(vis, se, 5.0, cv::Scalar(0, 0, 255));
  }
  cv::imshow("Detector", vis);
  cv::waitKey();

  br::Context::finalize();

  return 0;
}