main.py

import threading
import cv2
from deepface import DeepFace

cap = cv2.VideoCapture(0, cv2.CAP_DSHOW)

cap.set(cv2.CAP_PROP_FRAME_WIDTH, 640)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 480)

counter = 0
face_match = False
reference_img = cv2.imread('reference.jpg')
lock = threading.Lock()

def check_face(frame):
    global face_match
    try:
        result = DeepFace.verify(frame, reference_img.copy())['verified']
        with lock:
            face_match = result
    except ValueError:
        with lock:
            face_match = False

while True:
    ret, frame = cap.read()

    if ret:
        if counter % 30 == 0:
            try:
                threading.Thread(target=check_face, args=(frame.copy(),)).start()
            except ValueError:
                pass
        counter += 1
        
        with lock:
            if face_match:
                cv2.putText(frame, 'MATCH!', (20, 450), cv2.FONT_HERSHEY_SIMPLEX, 2, (0, 255, 0), 3)
            else:
                cv2.putText(frame, 'NO MATCH!', (20, 450), cv2.FONT_HERSHEY_SIMPLEX, 2, (0, 0, 255), 3)

        cv2.imshow('video', frame)

    key = cv2.waitKey(1)
    if key == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()