Iu12 Face and Eye Detection From Videos.ipynb

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                "## Face and Eye Detection  from videos\n"
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                "# Face Recognition\n",
                "\n",
                "# Importing the libraries\n",
                "import cv2\n",
                "\n",
                "# Loading the cascades\n",
                "face_cascade = cv2.CascadeClassifier(r'/Users/kishhanraaj/Downloads/Computer-Vision-Tutorial-master/Haarcascades/haarcascade_frontalface_default.xml')\n",
                "eye_cascade = cv2.CascadeClassifier(r'/Users/kishhanraaj/Downloads/Computer-Vision-Tutorial-master/Haarcascades/haarcascade_eye.xml')\n",
                "\n",
                "# Defining a function that will do the detections\n",
                "def detect(gray, frame):\n",
                "    faces = face_cascade.detectMultiScale(gray, 1.3, 5)\n",
                "    for (x, y, w, h) in faces:\n",
                "        cv2.rectangle(frame, (x, y), (x+w, y+h), (255, 0, 0), 2)\n",
                "        roi_gray = gray[y:y+h, x:x+w]\n",
                "        roi_color = frame[y:y+h, x:x+w]\n",
                "        eyes = eye_cascade.detectMultiScale(roi_gray, 1.1, 3)\n",
                "        for (ex, ey, ew, eh) in eyes:\n",
                "            cv2.rectangle(roi_color, (ex, ey), (ex+ew, ey+eh), (0, 255, 0), 2)\n",
                "    return frame\n",
                "\n",
                "# Doing some Face Recognition with the webcam\n",
                "video_capture = cv2.VideoCapture(0)\n",
                "while True:\n",
                "    _, frame = video_capture.read()\n",
                "    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)\n",
                "    canvas = detect(gray, frame)\n",
                "    cv2.imshow('Video', canvas)\n",
                "    if cv2.waitKey(1) & 0xFF == ord('q'):\n",
                "        break\n",
                "video_capture.release()\n",
                "cv2.destroyAllWindows()"
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