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Author: durgamadhavjena11

Eye blinking detection/Readme.md

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+# Eye Blinking Detection
+## Authors
+
+- [@Yashrajsingh2001](https://github.com/Yashrajsingh2001)
+
+  
+## Installation
+
+For installing required libraries run: 
+
+```bash
+  pip install opencv-python
+  pip install numpy
+  pip install dlib
+```

Eye blinking detection/eye_blinking_detection.py

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+import cv2
+import numpy as np
+import dlib
+from math import hypot
+
+cap = cv2.VideoCapture(0)
+
+detector = dlib.get_frontal_face_detector()
+predictor = dlib.shape_predictor("shape_predictor_68_face_landmarks.dat") #available on kaggle
+
+def midpoint(p1 ,p2):
+    return int((p1.x + p2.x)/2), int((p1.y + p2.y)/2)
+
+font = cv2.FONT_HERSHEY_PLAIN
+
+def get_blinking_ratio(eye_points, facial_landmarks):
+    left_point = (facial_landmarks.part(eye_points[0]).x, facial_landmarks.part(eye_points[0]).y)
+    right_point = (facial_landmarks.part(eye_points[3]).x, facial_landmarks.part(eye_points[3]).y)
+    center_top = midpoint(facial_landmarks.part(eye_points[1]), facial_landmarks.part(eye_points[2]))
+    center_bottom = midpoint(facial_landmarks.part(eye_points[5]), facial_landmarks.part(eye_points[4]))
+
+    hor_line = cv2.line(frame, left_point, right_point, (0, 255, 0), 2)
+    ver_line = cv2.line(frame, center_top, center_bottom, (0, 255, 0), 2)
+
+    hor_line_lenght = hypot((left_point[0] - right_point[0]), (left_point[1] - right_point[1]))
+    ver_line_lenght = hypot((center_top[0] - center_bottom[0]), (center_top[1] - center_bottom[1]))
+
+    ratio = hor_line_lenght / ver_line_lenght
+    return ratio
+
+while True:
+    _, frame = cap.read()
+    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+
+    faces = detector(gray)
+    for face in faces:
+        #x, y = face.left(), face.top()
+        #x1, y1 = face.right(), face.bottom()
+        #cv2.rectangle(frame, (x, y), (x1, y1), (0, 255, 0), 2)
+
+        landmarks = predictor(gray, face)
+
+        left_eye_ratio = get_blinking_ratio([36, 37, 38, 39, 40, 41], landmarks)
+        right_eye_ratio = get_blinking_ratio([42, 43, 44, 45, 46, 47], landmarks)
+        blinking_ratio = (left_eye_ratio + right_eye_ratio) / 2
+
+        if blinking_ratio > 5.7:
+            cv2.putText(frame, "BLINKING", (50, 150), font, 7, (255, 0, 0))
+
+
+    cv2.imshow("Frame", frame)
+
+    key = cv2.waitKey(1)
+    if key == 27:
+        break
+
+cap.release()
+cv2.destroyAllWindows()