{
    "cam_num":1,
    "screen_square_size": 6.596,  
    "screen_chessboard_size": [9, 16],
    "screen_square_spacing":3.4,
    "world_chessboard_size": [8, 8],
    "world_square_size": 12,
    "world_square_spacing":10.56,
    "d": -1.7,
    "num_freq": 3,
    "screenPixelSize": [2360, 1640],
    "screenorigin_point": [25, 1457],
    "Axis_conversion": [[1, 1]],
    "k": 32.0,
    "pixelSize_mm": 0.068,
    "grid_spacing": 1,
    "cam_params": "cam_params_1.pkl",
    "screen_params":"screen_params_1.pkl"
}