ACES - XYZ Matrices

aces_xyz_matrices.ipynb

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      "Rec. 709\n",
      "[[ 3.24100326 -1.53739899 -0.49861587]\n",
      " [-0.96922426  1.87592999  0.04155422]\n",
      " [ 0.05563942 -0.2040112   1.05714897]]\n",
      "[[ 3.20976213 -1.55756431 -0.4958272 ]\n",
      " [-0.97097971  1.88516233  0.03948918]\n",
      " [ 0.05972118 -0.21010871  1.14312725]]\n",
      "\n",
      "\n",
      "DCI-P3\n",
      "[[ 2.72539403 -1.01800301 -0.4401632 ]\n",
      " [-0.79516803  1.68973205  0.02264719]\n",
      " [ 0.04124189 -0.08763902  1.10092938]]\n",
      "[[ 2.66286214 -1.11031817 -0.42271645]\n",
      " [-0.82282389  1.75861719  0.02502194]\n",
      " [ 0.03932559 -0.08383443  1.03721743]]\n",
      "\n",
      "\n",
      "Rec. 2020\n",
      "[[ 1.71666343 -0.35567332 -0.25336809]\n",
      " [-0.66667384  1.61645574  0.0157683 ]\n",
      " [ 0.01764248 -0.04277698  0.94224328]]\n",
      "[[ 1.69666139 -0.36554901 -0.24857509]\n",
      " [-0.67040031  1.62348268  0.01503882]\n",
      " [ 0.02063133 -0.04775565  1.01910748]]\n"
     ]
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   ],
   "source": [
    "import numpy as np\n",
    "import colour\n",
    "\n",
    "print('Rec. 709')\n",
    "print(np.linalg.inv(colour.RGB_COLOURSPACES['Rec. 709'].RGB_to_XYZ_matrix))\n",
    "\n",
    "D60 = colour.ILLUMINANTS['cie_2_1931']['D60']\n",
    "D65 = colour.ILLUMINANTS['cie_2_1931']['D65']\n",
    "M = colour.chromatic_adaptation_matrix_VonKries(\n",
    "    colour.xyY_to_XYZ(colour.xy_to_xyY(D60)),\n",
    "    colour.xyY_to_XYZ(colour.xy_to_xyY(D65)),\n",
    "    transform='Bradford')\n",
    "\n",
    "print(np.linalg.inv(colour.dot_matrix(np.linalg.inv(M),\n",
    "                                      colour.RGB_COLOURSPACES['Rec. 709'].RGB_to_XYZ_matrix)))\n",
    "\n",
    "print('\\n')\n",
    "\n",
    "print('DCI-P3')\n",
    "print(np.linalg.inv(colour.RGB_COLOURSPACES['DCI-P3'].RGB_to_XYZ_matrix))\n",
    "\n",
    "D60 = colour.ILLUMINANTS['cie_2_1931']['D60']\n",
    "P3 = colour.ILLUMINANTS['cie_2_1931']['DCI-P3']\n",
    "M = colour.chromatic_adaptation_matrix_VonKries(\n",
    "    colour.xyY_to_XYZ(colour.xy_to_xyY(D60)),\n",
    "    colour.xyY_to_XYZ(colour.xy_to_xyY(P3)),\n",
    "    transform='Bradford')\n",
    "\n",
    "print(np.linalg.inv(colour.dot_matrix(np.linalg.inv(M),\n",
    "                                      colour.RGB_COLOURSPACES['DCI-P3'].RGB_to_XYZ_matrix)))\n",
    "\n",
    "print('\\n')\n",
    "\n",
    "print('Rec. 2020')\n",
    "print(np.linalg.inv(colour.RGB_COLOURSPACES['Rec. 2020'].RGB_to_XYZ_matrix))\n",
    "M = colour.chromatic_adaptation_matrix_VonKries(\n",
    "    colour.xyY_to_XYZ(colour.xy_to_xyY(D60)),\n",
    "    colour.xyY_to_XYZ(colour.xy_to_xyY(D65)),\n",
    "    transform='Bradford')\n",
    "\n",
    "print(np.linalg.inv(colour.dot_matrix(np.linalg.inv(M),\n",
    "                                      colour.RGB_COLOURSPACES['Rec. 2020'].RGB_to_XYZ_matrix)))\n"
   ]
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