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The
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Face detection
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basic object and the
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Face detection (VL)
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object are triggered every time a face is captured in the frame. Basic object is enough to perform a search for faces in the archive (see Face search).
In addition, the
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following types of
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detection tools based on metadata from the face detection (see General information on metadata)
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are available in
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Axxon Next:
- Appearance in area – a detection tool is triggered by the appearance of an object and subsequent face capture in FOV.
- Loitering in area – a detection tool triggered by the lengthy presence of an object and its face capture in FOV.
Mask detection – a detection tool is triggered by the face captured with or without a mask.
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- All captured face images are vectorized* and stored in the t_face_vector table, and their corresponding capture events are stored in the t_json_event table.
- Reference images (see Lists of facial templates Faces) are stored in the t_face_listed table.
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With an increase in the number of faces in the database, the statistical error increases: the more faces in the database, the more often similar faces will be recognized when searching in the archive. Accordingly, the degree of similarity when comparing the reference face with the captured face will decrease. This statistical error is relevant if:
An example of the error calculation results:
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Overview
Content Tools