examples/sample_4_camera.json

{
  "intrinsics": [
    [
      452.9855041503906,
      0.0,
      325.6942138671875
    ],
    [
      0.0,
      452.38494873046875,
      191.97265625
    ],
    [
      0.0,
      0.0,
      1.0
    ]
  ],
  "extrinsics": null
}