normal_calib.json

{
    "Camera Parameters": [
        {
            "ppx": 238.01158700600038,
            "ppy": 317.74300518134714,
            "fx": 595.4024415476929,
            "fy": 596.3896373056995,
            "model": "distortion.brown_conrady",
            "width": 480,
            "height": 640
        }
    ]
}