Lecture 3.15 - Mini Project # 1 - Live Sketch Using Webcam.ipynb

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    "## Mini Project # 1 - Live Sketch Using Webcam"
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    "import cv2\n",
    "import numpy as np\n",
    "\n",
    "def sketch(image):\n",
    "    \n",
    "    img_gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n",
    "    img_gray_blur = cv2.GaussianBlur(img_gray, (3,3),0)\n",
    "    canny_edges = cv2.Canny(img_gray_blur, 10, 70)\n",
    "    \n",
    "    ret, mask = cv2.threshold(canny_edges, 70,255, cv2.THRESH_BINARY_INV)\n",
    "    \n",
    "    return mask\n",
    "    \n",
    "    \n",
    "cap = cv2.VideoCapture(0)\n",
    "\n",
    "while True:\n",
    "    ret,frame = cap.read()\n",
    "    cv2.imshow('Live Sketch', sketch(frame))\n",
    "    if cv2.waitKey(1) == 13:\n",
    "        break\n",
    "\n",
    "cap.release()\n",
    "cv2.destroyAllWindows()\n",
    "    "
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