{
  "focal_spot_mm": [
    0.14,
    100.13,
    0.12
  ],
  "detector_postion_mm": [
    0.101,
    -100.11,
    0.9
  ],
  "detector_orientation_quad": [
    1.8,
    0.7,
    0.6,
    1.5
  ],
  "focal_spot_orientation_quad": [
    0.1,
    0.2,
    0.3,
    1.4
  ],
  "pixel_pitch_x_mm": 2.0,
  "pixel_pitch_y_mm": 3.0,
  "detector_heigth_mm": 4.0,
  "detector_width_mm": 5.0,
  "exposure_time_ms": 6.0,
  "voltage_kv": 7.0,
  "current_ua": 8.0,
  "frame_id": "projection_1"
}