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Encoding_decoding.ipynb

@@ -115,11 +115,13 @@
     "    z1 = image[0:-2,1:-1]   # get all the second pixel for the entire image\n",
     "    z2 = image[0:-2,2::]    # get all the third pixel for the entire image\n",
     "    z3 = image[1:-1,0:-2]   # get all the forth pixel for the entire image\n",
+    "    \n",
     "    # calculate the out put of the system of equation\n",
     "    y0 = np.ravel(-z0+z2-z3)\n",
     "    y1 = np.ravel(z0+z1+z2)\n",
     "    y2 = np.ravel(-z0-z1-z2-z3)\n",
     "    y = np.vstack((y0,y1,y2))\n",
+    "    \n",
     "    # use numpy solver to solve the system of equations all at once\n",
     "    #predict = np.floor(np.linalg.solve(A,y)[-1])\n",
     "    predict = np.round(np.round((np.linalg.solve(A,y)[-1]),1))\n",