main.cpp (赤字の部分) |
#include <iostream> #include <sstream> #include <opencv2/opencv.hpp> using namespace std; void doJob() { string path = ""; string cascadeName = "haarcascade_frontalface_alt.xml"; cv::CascadeClassifier cascade; if (!cascade.load(path + cascadeName)) throw runtime_error(cascadeName + " not found"); cv::VideoCapture cap(0); if (!cap.isOpened()) throw runtime_error("VideoCapture open failed"); cv::Mat image; cv::Mat gray; while (1) { cap >> image; cv::cvtColor(image, gray, cv::COLOR_BGR2GRAY); equalizeHist(gray, gray); vector<cv::Rect> founds; cascade.detectMultiScale(gray, founds, 1.1, 2, 0 | cv::CASCADE_SCALE_IMAGE, cv::Size(30, 30)); for (auto faceRect: founds) { cv::rectangle(image, faceRect, cv::Scalar(0, 0, 255), 2); } cv::imshow("video", image); auto key = cv::waitKey(1); if (key == 'q') break; } cv::destroyAllWindows(); } int main(int argc, char** argv) { try { doJob(); } catch (exception &ex) { cout << ex.what() << endl; string s; cin >> s; } return 0; } |