55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#include <iostream>
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#include "opencv2/opencv.hpp"
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using namespace std;
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using namespace cv;
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void detect_face() {
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Mat src = imread("../../resources/images/kids.png");
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CascadeClassifier classifier("../../resources/haarcascade_frontalface_default.xml");
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vector<Rect> faces;
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classifier.detectMultiScale(src, faces);
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for (auto rc : faces)
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rectangle(src, rc, Scalar(255, 0, 255), 2);
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imshow("src", src);
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waitKey();
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destroyAllWindows();
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}
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void detect_eyes() {
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Mat src = imread("../../resources/images/kids.png");
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CascadeClassifier face_classifier("../../resources/haarcascade_frontalface_default.xml");
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CascadeClassifier eye_classifier("../../resources/haarcascade_eye.xml");
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vector<Rect> faces;
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face_classifier.detectMultiScale(src, faces);
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for (auto face : faces) {
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rectangle(src, face, Scalar(255, 0, 255), 2);
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Mat faceROI = src(face);
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vector<Rect> eyes;
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eye_classifier.detectMultiScale(faceROI, eyes);
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for (Rect eye : eyes) {
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Point center(eye.x + eye.width / 2, eye.y + eye.height / 2);
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circle(faceROI, center, eye.width /2, Scalar(255, 0, 0), 2, LINE_AA);
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}
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}
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imshow("src", src);
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waitKey();
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destroyAllWindows();
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}
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int main() {
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detect_eyes();
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} |