main.py

import cv2
import imutils
from imutils import face_utils
import dlib
from scipy.spatial import distance
from pygame import mixer
import winsound
import tkinter as tk

mixer.init()

def eye_aspect_ratio(eye):
    A = distance.euclidean(eye[1], eye[5])
    B = distance.euclidean(eye[2], eye[4])
    C = distance.euclidean(eye[0], eye[3])
    ear = (A + B) / (2.0 * C)
    return ear

thresh = 0.25
flag = 0
frame_check = 100
(lStart, lEnd) = face_utils.FACIAL_LANDMARKS_68_IDXS['left_eye']
(rStart, rEnd) = face_utils.FACIAL_LANDMARKS_68_IDXS['right_eye']

detect = dlib.get_frontal_face_detector()
predictor = dlib.shape_predictor("shape_predictor_68_face_landmarks.dat")
cap = cv2.VideoCapture(0)

while True:
    ret, frame = cap.read()
    frame = imutils.resize(frame, width=450)
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
    subjects = detect(gray, 0)
    for subject in subjects:
        shape = predictor(gray, subject)  # Corrected usage here
        shape = face_utils.shape_to_np(shape)
        leftEye = shape[lStart:lEnd]
        rightEye = shape[rStart:rEnd]
        leftEar = eye_aspect_ratio(leftEye)
        rightEar = eye_aspect_ratio(rightEye)
        ear = (leftEar + rightEar) / 2.0

        leftEyeHull = cv2.convexHull(leftEye)
        rightEyeHull = cv2.convexHull(rightEye)
        cv2.drawContours(frame, [leftEyeHull], -1, (0, 255, 0), 1)
        cv2.drawContours(frame, [rightEyeHull], -1, (0, 255, 0), 1)
        if ear < thresh:
            flag += 1
            if flag >= frame_check:
                cv2.putText(frame, "**ALERT**", (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 225), 2)
                cv2.putText(frame, "**ALERT**", (10, 325), cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 225), 2)
                mixer.init()
                winsound.Beep(2500,1000)
        else:
            flag = 0

    cv2.imshow("Frame", frame)
    if cv2.waitKey(1) & 0xFF == ord("q"):
        break

cv2.destroyAllWindows()
cap.release()