yes

For face detection using open cv and a haarcascade dataset

code

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+import cv2
+face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
+cap = cv2.VideoCapture(0)
+while True:
+    ret, frame = cap.read()
+    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+    faces = face_cascade.detectMultiScale(gray, 1.3, 5)
+    for (x, y, w, h) in faces:
+        cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 4, 0), 2)
+        cv2.imshow('Camera', frame)
+        if cv2.waitKey(1) & 0xFF == ord('q'):
+            break
+
+cap.release()
+cv2.destroyAllWindows()