{
  "extrinsic_parameters": {
    "front_lens": {
      "rotation_matrix": [
        [-0.700126851, -0.714006597, -0.00411983425],
        [-0.714018186, 0.700109652, 0.00495029397],
        [-0.000650206827, 0.00640747030, -0.999979261]
      ],
      "translation_vector": [0.01383108, 0.04572205, -0.41864597]
    },
    "back_lens": {
      "rotation_matrix": [
        [-0.6909925, -0.72270667, 0.01498109],
        [-0.72284182, 0.69097946, -0.00686258],
        [-0.00539199, -0.01557095, -0.99986423]
      ],
      "translation_vector": [-0.03802397, 0.08226041, -0.38949371]
    }
  }
}