{
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    "source_image": "in/12_f22.JPG",
    "source_av": 22.0,
    "target_images": [
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        "gt/12/12_f18.JPG",
        "gt/12/12_f20.JPG"
    ],
    "target_avs": [
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        2.5,
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        18.0,
        20.0
    ],
    "focal_length": 42,
    "ISO": 100,
    "EV": 11,
    "focus_plane_distance": 1.44,
    "focus_plane_uncertainty": 0.06999999999999995
}