{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Morfologické operace" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Vstup: binární obraz nebo obraz s více úrovněmi jasu\n", "\n", "Výstup: binární obraz nebo obraz s více úrovněmi jasu\n", "\n", "Cíl: tvar objektů\n", "\n", "Vlastnosti: snadné a rychlé předzpracování\n", "\n", "![input_image](http://www.kky.zcu.cz/uploads/courses/zdo/lesson5/original.jpg)" ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Populating the interactive namespace from numpy and matplotlib\n" ] } ], "source": [ "%pylab inline --no-import-all\n", "import skimage\n", "import skimage.io\n", "import skimage.color\n", "import skimage.morphology\n", "\n", "import matplotlib.pyplot as plt\n", "\n", "import numpy as np\n", "\n", "import scipy\n", "import scipy.ndimage\n" ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 2, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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"text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "# thresholding - prahování\n", "text_color = skimage.io.imread('http://www.kky.zcu.cz/uploads/courses/zdo/lesson5/original.jpg')\n", "text_gray = skimage.color.rgb2gray(text_color)\n", "textb = text_gray > 0.5\n", "plt.imshow(textb, cmap='gray')\n" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Binární dilatace" ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "input \n", "[[0 0 0 0 0]\n", " [0 0 0 0 0]\n", " [0 0 1 0 0]\n", " [0 0 0 0 0]\n", " [0 0 0 0 0]]\n", "kernel \n", "[[0 1 0]\n", " [1 1 1]\n", " [0 1 0]]\n", "dilation \n", "[[0 0 0 0 0]\n", " [0 0 1 0 0]\n", " [0 1 1 1 0]\n", " [0 0 1 0 0]\n", " [0 0 0 0 0]]\n" ] } ], "source": [ "a = np.zeros((5,5), dtype=np.int)\n", "a[2, 2] = 1\n", "#a[1:6, 2:5] = 1\n", "print 'input \\n', a\n", "\n", "kernel = skimage.morphology.diamond(1).astype(np.uint8)\n", "\n", "print 'kernel \\n', kernel\n", "\n", "ad = skimage.morphology.binary_dilation(a, kernel)\n", "print 'dilation \\n', ad\n", "#dir(skimage.morphology)\n", "\n", "#skimage.morphology.binary_dilation(a, morphology.diamond(1)).astype(np.uint8)" ] }, { "cell_type": "code", "execution_count": 4, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 4, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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"text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "kernel_big = skimage.morphology.diamond(5).astype(np.uint8)\n", "textd = skimage.morphology.binary_dilation(textb, kernel_big)\n", "plt.imshow(textd, cmap='gray')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Binární eroze" ] }, { "cell_type": "code", "execution_count": 5, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "input \n", "[[0 0 0 0 0 0 0]\n", " [0 0 1 1 1 0 0]\n", " [0 0 1 1 1 0 0]\n", " [0 0 1 1 1 0 0]\n", " [0 0 1 1 1 0 0]\n", " [0 0 1 1 1 0 0]\n", " [0 0 0 0 0 0 0]]\n", "erosion \n", "[[0 0 0 0 0 0 0]\n", " [0 0 0 0 0 0 0]\n", " [0 0 0 1 0 0 0]\n", " [0 0 0 1 0 0 0]\n", " [0 0 0 1 0 0 0]\n", " [0 0 0 0 0 0 0]\n", " [0 0 0 0 0 0 0]]\n" ] } ], "source": [ "a = np.zeros((7,7), dtype=np.int)\n", "a[1:6, 2:5] = 1\n", "print 'input \\n', a\n", "\n", "\n", "ad = skimage.morphology.binary_erosion(a, kernel)\n", "print 'erosion \\n', ad\n" ] }, { "cell_type": "code", "execution_count": 6, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 6, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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"text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "#kernel_big = skimage.morphology.diamond(3).astype(np.uint8)\n", "textd = skimage.morphology.binary_erosion(textb, kernel_big)\n", "plt.imshow(textd, cmap='gray')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Binární otevření a uzavření" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Kombinace obou předchozích metod\n", "\n", "* Otevření - eroze + dilatace\n", "* Uzavření - dilatace + eroze" ] }, { "cell_type": "code", "execution_count": 7, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 7, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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ixYsW/bzabzNMWocKOZFUx44dUVBQgMGDByva76xZs/DgwQPBy2dlZUl6f3KhwsLCMHbs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\nTkSuQmCC\n", "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "# Otevření\n", "#kernel_big = skimage.morphology.diamond(4).astype(np.uint8)\n", "textd = skimage.morphology.binary_opening(textb, kernel_big)\n", "\n", "#plt.subplot(121)\n", "#plt.imshow(textb, cmap='gray')\n", "#plt.subplot(122)\n", "plt.imshow(textd, cmap='gray')" ] }, { "cell_type": "code", "execution_count": 8, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 8, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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79mzdWW6mPB6GkqyQFxQUoE+fPrr/Ozo6oqCgQKru2xStVguNRgMA0Gg00Gq1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\nAAAAAElFTkSuQmCC\n", "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "# Uzavření\n", "textd = skimage.morphology.binary_closing(textb, kernel_big)\n", "plt.imshow(textd, cmap='gray')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Kostra (Skeleton)" ] }, { "cell_type": "code", "execution_count": 9, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 9, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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B+TZZjoaGBnV0dCibzSqdTquvry/3jvZ8GBgYyP351KlTuXeM5zOXMUa7du3SypUr9cYb\nb+Su93rPJstVCHvmJ8yR6fP6nJhMIZwTzJE8yue7TM+ePWsqKytNeXm5eeedd/J56DF++eUXE4/H\nTTweN6tWrcplGR4eNnV1dSYajZpEImFu3bplPUtjY6MpKyszgUDAhMNhc+LEiSlzHDhwwJSXl5vl\ny5ebZDKZt1zHjx83O3bsMLFYzKxevdo8//zzZnBwMO+5Lly4YBzHMfF43KxZs8asWbPGdHV1eb5n\nE+U6e/ZsQeyZ3zBHxmOOzAxzJH/43SUAAMAKPvETAABYQckAAABWUDIAAIAVlAwAAGAFJQMAAFhB\nyQAAAFb8B3Dh2au+FX/cAAAAAElFTkSuQmCC\n", "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "a = np.zeros((200, 300), dtype=np.int)\n", "#a[1:6, 2:5] = 1\n", "a[50:100, 50:200] = 1\n", "a[30:150, 100:150] = 1\n", "\n", "skela = skimage.morphology.skeletonize(a)\n", "\n", "\n", "plt.figure(figsize=(9, 4))\n", "plt.subplot(121)\n", "plt.imshow(a, cmap='gray')\n", "plt.subplot(122)\n", "plt.imshow(skela, cmap='gray')" ] }, { "cell_type": "code", "execution_count": 10, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 10, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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mb+jQofDy8sLKlSu5jkKITtDdL6RZGzx4MJydnamIG5jTp09j4MCBXMdoNqiQk2ZNJpPh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\nYII=\n", "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "textd = skimage.morphology.skeletonize(textb)\n", "plt.imshow(textd, cmap='gray')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Vyplnění děr (Fill holes)" ] }, { "cell_type": "code", "execution_count": 11, "metadata": {}, "outputs": [ { "data": { "text/plain": [ "" ] }, "execution_count": 11, "metadata": {}, "output_type": "execute_result" }, { "data": { "image/png": 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zckmJAhAWFsYiTmOe34W8ubnZ+/W//vUv7xUtdrsd5eXl8Hg8cLlcqKur4yeJjyFPPfUU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\nkBMR6RwLORGRzrGQExHp3P8B0fKCO7lR8vkAAAAASUVORK5CYII=\n", "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "texth = scipy.ndimage.morphology.binary_fill_holes(textb)\n", "plt.imshow(texth, cmap='gray')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Cvičení" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Spočítejte čtverce na obrázku z kamery\n", "\n", "![ctverce](https://pojabr.zcu.cz/uploads/courses/zdo/lesson5/pocitani_ctvercu.jpg)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# Příprava na písemku\n", "* FT\n", "* morfologické operace" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.6.5" } }, "nbformat": 4, "nbformat_minor": 1 }