Lecture 3.12 - Dilation, Erosion, Opening and Closing.ipynb

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    "## Dilation, Erosion, Opening and Closing "
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    "import cv2\n",
    "import numpy as np\n",
    "\n",
    "image = cv2.imread('images/opencv_inv.png', 0)\n",
    "\n",
    "cv2.imshow('Original', image)\n",
    "cv2.waitKey(0)\n",
    "\n",
    "# Let's define our kernel size\n",
    "kernel = np.ones((5,5), np.uint8)\n",
    "\n",
    "# Now we erode\n",
    "erosion = cv2.erode(image, kernel, iterations = 1)\n",
    "cv2.imshow('Erosion', erosion)\n",
    "cv2.waitKey(0)\n",
    "\n",
    "# \n",
    "dilation = cv2.dilate(image, kernel, iterations = 1)\n",
    "cv2.imshow('Dilation', dilation)\n",
    "cv2.waitKey(0)\n",
    "\n",
    "# Opening - Good for removing noise\n",
    "opening = cv2.morphologyEx(image, cv2.MORPH_OPEN, kernel)\n",
    "cv2.imshow('Opening', opening)\n",
    "cv2.waitKey(0)\n",
    "\n",
    "# Closing - Good for removing noise\n",
    "closing = cv2.morphologyEx(image, cv2.MORPH_CLOSE, kernel)\n",
    "cv2.imshow('Closing', closing)\n",
    "cv2.waitKey(0)\n",
    "\n",
    "\n",
    "cv2.destroyAllWindows()"
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    "### There are some other less popular morphology operations, see the official OpenCV site:\n",
    "\n",
    "http://docs.opencv.org/3.0-beta/doc/py_tutorials/py_imgproc/py_morphological_ops/py_morphological_ops.html"
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