Code/Day 39.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "## 安装库\n",
    "本例使用pycharm\n",
    "\n",
    "- 安装notebook\n",
    "\n",
    "```python\n",
    "pip install notebook\n",
    "```\n",
    "\n",
    "- 安装tensorflow\n",
    "\n",
    "本例使用了**tf-nightly**\n",
    "\n",
    "```python\n",
    "pip install tf-nightly\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "C:\\ProgramData\\Anaconda3\\lib\\site-packages\\h5py\\__init__.py:36: FutureWarning: Conversion of the second argument of issubdtype from `float` to `np.floating` is deprecated. In future, it will be treated as `np.float64 == np.dtype(float).type`.\n",
      "  from ._conv import register_converters as _register_converters\n"
     ]
    }
   ],
   "source": [
    "#导入keras\n",
    "import tensorflow.keras as keras"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1.12.0-dev20180926\n"
     ]
    }
   ],
   "source": [
    "#导入tensorflow\n",
    "import tensorflow as tf\n",
    "print(tf.__version__)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 下载mnist数据\n",
    "keras默认从(https://storage.googleapis.com/tensorflow/tf-keras-datasets/mnist.npz)下载，但国内很难连上，\n",
    "可以参考(http://www.cnblogs.com/shinny/p/9283372.html)。手动下载mnist.npz，然后修改mnist.py中的引用路径。\n",
    "如果找不到mnist.py，可以用everthing搜索。\n",
    "\n",
    "mnist.npz已上传到datasets文件夹，可从[这里]()下载。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
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      " [  0   0   0   0   0   0   0   0   0  14   1 154 253  90   0   0   0   0\n",
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      "    0   0   0   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0  81 240 253 253 119\n",
      "   25   0   0   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0   0  45 186 253 253\n",
      "  150  27   0   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0  16  93 252\n",
      "  253 187   0   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0 249\n",
      "  253 249  64   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0   0  46 130 183 253\n",
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      "    0   0   0   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0\n",
      "    0   0   0   0   0   0   0   0   0   0]\n",
      " [  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0\n",
      "    0   0   0   0   0   0   0   0   0   0]\n",
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      "    0   0   0   0   0   0   0   0   0   0]]\n"
     ]
    }
   ],
   "source": [
    "mnist = tf.keras.datasets.mnist\n",
    "(x_train, y_train),(x_test, y_test) = mnist.load_data()\n",
    "print(x_train[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": 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0I3dv+QtvFXqbob6Hrn9dufncc+wW9/aPkv5L0geSzmabV6nv+XVh912ir/kq4H7jHX5AULzDDwiK8ANBEX4gKMIPBEX4gaAIPxAU4QeCIvxAUP8Pt/ALPExulGgAAAAASUVORK5CYII=\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "import matplotlib.pyplot as plt\n",
    "%matplotlib inline\n",
    "plt.imshow(x_train[0],cmap=plt.cm.binary)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "5\n"
     ]
    }
   ],
   "source": [
    "print(y_train[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[[0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.00393124 0.02332955 0.02620568 0.02625207 0.17420356 0.17566281\n",
      "  0.28629534 0.05664824 0.51877786 0.71632322 0.77892406 0.89301644\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.05780486 0.06524513 0.16128198 0.22713296\n",
      "  0.22277047 0.32790981 0.36833534 0.3689874  0.34978968 0.32678448\n",
      "  0.368094   0.3747499  0.79066747 0.67980478 0.61494005 0.45002403\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.12250613 0.45858525 0.45852825 0.43408872 0.37314701\n",
      "  0.33153488 0.32790981 0.36833534 0.3689874  0.34978968 0.32420121\n",
      "  0.15214552 0.17865984 0.25626376 0.1573102  0.12298801 0.\n",
      "  0.         0.         0.         0.        ]\n",
      " [0.         0.         0.         0.         0.         0.\n",
      "  0.         0.04500225 0.4219755  0.45852825 0.43408872 0.37314701\n",
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      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
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      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.         0.         0.\n",
      "  0.         0.         0.         0.        ]]\n"
     ]
    },
    {
     "data": {
      "image/png": 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h6Rvu3vIv3nJ6W6uxt65/nrn56mfsFvf215L+W9JBSVeyxVs09vm6stcu0dcGVfC6cYYfEBRn+AFBEX4gKMIPBEX4gaAIPxAU4QeCIvxAUIQfCOr/AeBa/qb2k8f0AAAAAElFTkSuQmCC\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "x_train = tf.keras.utils.normalize(x_train, axis=1)\n",
    "x_test = tf.keras.utils.normalize(x_test, axis=1)\n",
    "\n",
    "print(x_train[0])\n",
    "\n",
    "plt.imshow(x_train[0],cmap=plt.cm.binary)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Epoch 1/3\n",
      "60000/60000 [==============================] - 15s 254us/step - loss: 0.2563 - acc: 0.9248\n",
      "Epoch 2/3\n",
      "60000/60000 [==============================] - 6s 107us/step - loss: 0.1081 - acc: 0.9665\n",
      "Epoch 3/3\n",
      "60000/60000 [==============================] - 7s 109us/step - loss: 0.0737 - acc: 0.9777\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "<tensorflow.python.keras.callbacks.History at 0xee9a547c50>"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "model = tf.keras.models.Sequential()\n",
    "model.add(tf.keras.layers.Flatten(input_shape=(28,28)))\n",
    "model.add(tf.keras.layers.Dense(128, activation=tf.nn.relu))\n",
    "model.add(tf.keras.layers.Dense(128, activation=tf.nn.relu))\n",
    "model.add(tf.keras.layers.Dense(10, activation=tf.nn.softmax))\n",
    "model.compile(optimizer='adam',\n",
    "              loss='sparse_categorical_crossentropy',\n",
    "              metrics=['accuracy'])\n",
    "model.fit(x_train, y_train, epochs=3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "10000/10000 [==============================] - 0s 46us/step\n",
      "0.09269746929686516\n",
      "0.9708\n"
     ]
    }
   ],
   "source": [
    "val_loss, val_acc = model.evaluate(x_test, y_test)\n",
    "print(val_loss)\n",
    "print(val_acc)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[[8.8540384e-09 1.2010514e-08 8.4797415e-07 ... 9.9985945e-01\n",
      "  4.4095773e-07 6.2582812e-06]\n",
      " [9.7641809e-08 8.4762014e-03 9.9100375e-01 ... 8.4532692e-09\n",
      "  1.1629361e-05 9.1832054e-12]\n",
      " [1.9781417e-09 9.9992287e-01 1.9637739e-05 ... 2.6759613e-05\n",
      "  2.1188511e-05 3.5105760e-08]\n",
      " ...\n",
      " [8.3089546e-10 7.8291782e-07 2.2996884e-08 ... 3.0950861e-04\n",
      "  3.1089010e-06 1.6785970e-04]\n",
      " [3.2990449e-08 2.2628739e-05 9.8154613e-09 ... 2.6752227e-06\n",
      "  1.8036989e-03 5.3969260e-09]\n",
      " [1.1823743e-06 7.2185024e-08 2.2751304e-07 ... 1.0656525e-10\n",
      "  3.2980407e-07 6.6678885e-09]]\n"
     ]
    }
   ],
   "source": [
    "predictions = model.predict(x_test)\n",
    "print(predictions)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "7\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "\n",
    "print(np.argmax(predictions[0]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "plt.imshow(x_test[0],cmap=plt.cm.binary)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 保存模型\n",
    "model.save('epic_num_reader.model')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 加载保存的模型\n",
    "new_model = tf.keras.models.load_model('epic_num_reader.model')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "7\n"
     ]
    }
   ],
   "source": [
    "# 测试保存的模型\n",
    "predictions = new_model.predict(x_test)\n",
    "print(np.argmax(predictions[0]))"
   ]
  }
 ],
 "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
}