{
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[HG:] Train Set = 30000, Test = 10000\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "import os\n",
    "\n",
    "import sys\n",
    "\n",
    "\n",
    "N_TRN = 5000\n",
    "N_TST = 5000\n",
    "\n",
    "DataBaseFolder = '/home/mchen/tmp/caffe/data/JStego/'\n",
    "\n",
    "BOSS2CoverPath = os.path.join( DataBaseFolder, '75')        # BOSS2 cover subfolder\n",
    "BOSS2StegoPath = os.path.join( DataBaseFolder, 'JUNI_0.4')  # BOSS2 stego subfolder\n",
    "\n",
    "BOW2CoverPath = os.path.join( DataBaseFolder, 'BOWS2_75')          # BOWS cover subfolder\n",
    "BOW2StegoPath = os.path.join( DataBaseFolder, 'BOWS2_JUNI_0.4')    # BOWS stego subfolder\n",
    "\n",
    "TxtListFolder = '/home/mchen/tmp/caffe/data/JStego/MiracleList/'\n",
    "\n",
    "np.random.seed(0)   # reset the random seed\n",
    "\n",
    "RandomImages = np.random.permutation(10000) + 1\n",
    "\n",
    "print (\"[HG:] Train Set = %d, Test = %d\"%( 20000 + N_TRN * 2, N_TST * 2 ) )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true,
    "deletable": true,
    "editable": true
   },
   "outputs": [],
   "source": [
    "with open('{}/train.txt'.format(TxtListFolder), 'w') as f:\n",
    "    for idx in range(N_TRN):\n",
    "        imageName = str( RandomImages[idx] ) + '.jpg'\n",
    "        f.write('{} 0\\n'.format(BOSS2CoverPath + '/' + imageName ) )\n",
    "        f.write('{} 1\\n'.format(BOSS2StegoPath + '/' + imageName ) )\n",
    "        \n",
    "    for idx in range(10000):\n",
    "        imageName = str( RandomImages[idx] ) + '.jpg'\n",
    "        f.write('{} 0\\n'.format(BOW2CoverPath + '/' + imageName ) )\n",
    "        f.write('{} 1\\n'.format(BOW2StegoPath + '/' + imageName ) )  \n",
    "        \n",
    "    f.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true,
    "deletable": true,
    "editable": true
   },
   "outputs": [],
   "source": [
    "with open('{}/test.txt'.format(TxtListFolder), 'w') as f:\n",
    "    for idx in range(N_TST):\n",
    "        imageName = str( RandomImages[N_TRN + idx] ) + '.jpg'\n",
    "        f.write('{} 0\\n'.format(BOSS2CoverPath + '/' + imageName ) )\n",
    "        f.write('{} 1\\n'.format(BOSS2StegoPath + '/' + imageName ) )\n",
    "    f.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true,
    "deletable": true,
    "editable": true
   },
   "outputs": [],
   "source": []
  }
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