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@mcquin
Created April 20, 2017 19:31
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{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"%matplotlib inline"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"import numpy\n",
"import scipy\n",
"import skimage.io\n",
"import skimage.transform"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"scikit-image==0.13.0\n",
"scipy==0.19.0\n",
"numpy==1.12.1\n"
]
}
],
"source": [
"print(\"scikit-image=={}\".format(skimage.__version__))\n",
"print(\"scipy=={}\".format(scipy.__version__))\n",
"print(\"numpy=={}\".format(numpy.__version__))"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"labels = numpy.zeros((20, 20), dtype=numpy.uint8)\n",
"\n",
"labels[2:8, 2:8] = 1\n",
"\n",
"labels[0:8, 12:18] = 2\n",
"\n",
"labels[12:18, 0:8] = 3\n",
"\n",
"labels[12:20, 12:20] = 4"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"/usr/local/lib/python2.7/site-packages/skimage/io/_plugins/matplotlib_plugin.py:74: UserWarning: Low image data range; displaying image with stretched contrast.\n",
" warn(\"Low image data range; displaying image with \"\n"
]
},
{
"data": {
"text/plain": [
"<matplotlib.image.AxesImage at 0x7fb9d6d8f550>"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
},
{
"data": {
"image/png": 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kQEZEVEiAjIjYl8gUOyKiWgJkRESJJGkiIqaRABkRUSEBcjj7/6uX8bqrDm67G/Pe4yc8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\nR16mZAAAAABJRU5ErkJggg==\n",
"text/plain": [
"<matplotlib.figure.Figure at 0x7fb9d6df6910>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"skimage.io.imshow(labels)"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"downsized = skimage.transform.resize(\n",
" labels,\n",
" (10, 5),\n",
" order=0,\n",
" mode=\"edge\",\n",
" preserve_range=True\n",
")"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"/usr/local/lib/python2.7/site-packages/skimage/io/_plugins/matplotlib_plugin.py:77: UserWarning: Float image out of standard range; displaying image with stretched contrast.\n",
" warn(\"Float image out of standard range; displaying \"\n"
]
},
{
"data": {
"text/plain": [
"<matplotlib.image.AxesImage at 0x7fb9d6b79510>"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
},
{
"data": {
"image/png": 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"text/plain": [
"<matplotlib.figure.Figure at 0x7fb9d7bb9b90>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"skimage.io.imshow(downsized)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.13"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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