Jupyter Notebook Block 1 - Introduction to Image Classification.ipynb

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   "source": [
    "# 1. Importing and Visualization of CIFAR-10 Dataset"
   ]
  },
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   "execution_count": 2,
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   "source": [
    "import numpy as np\n",
    "\n",
    "# function to import CIFAR-10 data set\n",
    "def unpickle(file):\n",
    "    import pickle\n",
    "    with open(file, 'rb') as fo:\n",
    "        dict = pickle.load(fo, encoding='bytes')\n",
    "    return dict\n",
    "data_batch_1 = unpickle(\"./data/data_batch_1\")\n",
    "data_batch_2 = unpickle(\"./data/data_batch_2\")\n",
    "data_batch_3 = unpickle(\"./data/data_batch_3\")\n",
    "data_batch_4 = unpickle(\"./data/data_batch_4\")\n",
    "data_batch_5 = unpickle(\"./data/data_batch_5\")\n",
    "test_batch = unpickle(\"./data/test_batch\")"
   ]
  },
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   "metadata": {
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     "id": "ce2be501-0be3-4750-8207-dfc00d7db01a"
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   "source": [
    "What is the data structure of e.g. data_batch_1 ?"
   ]
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   "execution_count": 3,
   "metadata": {
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     "data": {
      "text/plain": [
       "dict"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(data_batch_1)"
   ]
  },
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     "id": "09a5b60b-dcbb-4f97-ab57-e4611c253e2e"
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   "source": [
    "What are the keys of e.g. data_batch_1 ?"
   ]
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   "execution_count": 4,
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "dict_keys([b'batch_label', b'labels', b'data', b'filenames'])"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data_batch_1.keys()"
   ]
  },
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     "id": "a7f910e7-0b11-453b-84d5-df6ac88ac6dd"
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   "source": [
    "What is the data structure of data_batch_1[b'data'] ?"
   ]
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   "execution_count": 5,
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     "data": {
      "text/plain": [
       "numpy.ndarray"
      ]
     },
     "execution_count": 5,
     "metadata": {},
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   ],
   "source": [
    "type(data_batch_1[b'data'])"
   ]
  },
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     "id": "3f978c4f-50d0-4f00-9f19-bf8744e505a3"
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   "source": [
    "What is the data structure of data_batch_1[b'labels'] ?"
   ]
  },
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   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
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     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "type(data_batch_1[b'labels'])"
   ]
  },
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     "id": "2fd19982-c318-4303-8042-7a5a6998d175"
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   "source": [
    "What is the shape of data_batch_1[b'data'] ?"
   ]
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   "execution_count": 7,
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    {