{
    "cam_num":1,
    "screen_square_size": 3.84,  
    "screen_chessboard_size": [24, 15],
    "screen_square_spacing":0,
    "world_chessboard_size": [8, 8],
    "world_square_size": 12,
    "world_square_spacing":0,
    "d": 0.5,
    "num_freq": 3,
    "screenPixelSize": [2048, 1536],
    "screenorigin_point": [563, 1047],
    "Axis_conversion": [[1, -1]],
    "k": 32.0,
    "pixelSize_mm": 0.09,
    "grid_spacing": 1,
    "cam_params": "cam_params_1115.pkl",
    "screen_params":"screen_params_1115.pkl"
}