Image Processing: Identifying Groups of Bracketed Images

A new project to recursively scan through a tree of images and determine which were captured as part of an auto-bracketing image capture operation.

bracketed_image_finder

Example:

$ bif_find tests/assets/images --json
[
    {
        "entries": [
            {
                "exposure_value": 0.0,
                "rel_filepath": "DSC08196.JPG",
                "timestamp": "2019-02-13T00:31:50"
            },
            {
                "exposure_value": -0.7,
                "rel_filepath": "DSC08197.JPG",
                "timestamp": "2019-02-13T00:31:50"
            },
            {
                "exposure_value": 0.7,
                "rel_filepath": "DSC08198.JPG",
                "timestamp": "2019-02-13T00:31:50"
            },
            {
                "exposure_value": -1.3,
                "rel_filepath": "DSC08199.JPG",
                "timestamp": "2019-02-13T00:31:50"
            },
            {
                "exposure_value": 1.3,
                "rel_filepath": "DSC08200.JPG",
                "timestamp": "2019-02-13T00:31:51"
            }
        ],
        "type": "periodic"
    },
    {
        "entries": [
            {
                "exposure_value": 0.0,
                "rel_filepath": "DSC08201.JPG",
                "timestamp": "2019-02-13T00:32:09"
            },
            {
                "exposure_value": -0.7,
                "rel_filepath": "DSC08202.JPG",
                "timestamp": "2019-02-13T00:32:09"
            },
            {
                "exposure_value": 0.7,
                "rel_filepath": "DSC08203.JPG",
                "timestamp": "2019-02-13T00:32:10"
            },
            {
                "exposure_value": -1.3,
                "rel_filepath": "DSC08204.JPG",
                "timestamp": "2019-02-13T00:32:10"
            },
            {
                "exposure_value": 1.3,
                "rel_filepath": "DSC08205.JPG",
                "timestamp": "2019-02-13T00:32:10"
            }
        ],
        "type": "periodic"
    }
]
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