test/metadata/1.json

{
    "id": 1,
    "source_image": "in/1_f22.JPG",
    "source_av": 22.0,
    "target_images": [
        "gt/1/1_f2.0.JPG",
        "gt/1/1_f2.5.JPG",
        "gt/1/1_f11.JPG",
        "gt/1/1_f13.JPG",
        "gt/1/1_f18.JPG"
    ],
    "target_avs": [
        2.0,
        2.5,
        11.0,
        13.0,
        18.0
    ],
    "focal_length": 70,
    "ISO": 100,
    "EV": 9.75,
    "focus_plane_distance": 0.44,
    "focus_plane_uncertainty": 0.010000000000000009
}