from attrdict import AttrDict

config = AttrDict({
    'camera_info': {
      'focal_length_x':0.97428,
      'focal_length_y':1.73205,
      'image_width': 2560,
      'image_height': 1280
    },
    'light_positions': [
        (1148.56, 1184.65),
        (1559.2, 1158.43),
        (2122.14, 1526.79),
        (2175.237, 1795.71),
        (1493.29, 2947.67),
        (821.96, 2905.8),
        (161.76, 2303.82),
        (351.84, 1574.65)
    ]
})

from attrdict import AttrDict

config = AttrDict({
    'camera_info': {
      'focal_length_x':0.97428,
      'focal_length_y':1.73205,
      'image_width': 800,
      'image_height': 600
    },
    'light_positions': [
        (1148.56, 1184.65),
        (1559.2, 1158.43),
        (2122.14, 1526.79),
        (2175.237, 1795.71),
        (1493.29, 2947.67),
        (821.96, 2905.8),
        (161.76, 2303.82),
        (351.84, 1574.65)
    ]
})

change image size in config