Documentation for Axxon One 2.0. Documentation for other versions of Axxon One is available too.

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Description

Attention!

Starting with DetectorPack 3.11.1, the Face Detection TV is no longer supported. We replaced it with the Face Detection VA. You cannot use the Face Detection TV and the Face Detection VA at the same time (see Manual for switching from the Face Detection TV to Face Detection VA).

The Face Detection TV generates an event every time a face is captured in the frame.

The Axxon One database stores all faces in binary form:

  1. All captured faces are stored as biometric vectors (see Face search) in the t_face_vector table, and their corresponding capture events are stored in the t_json_event table.
  2. All reference faces from the lists (see Lists of faces) are stored in the t_face_listed table.

Attention!

When the number of faces in the database increases, the statistical error increases: the more faces in the database, the more often similar faces are recognized when searching in the archive. Accordingly, the degree of similarity when comparing the reference face with the captured face decreases.

This error is relevant if:

  1. The Video stream and scene requirements for the Face Detection TV and its sub-tools are met.
  2. The database contains over a million faces.

The mugshot dataset (good quality photo), 12 million faces in the database, and probability of false matching is 0.003%. With these initial data, the researchers obtained an identification error of 0.76%.

 
LicensingTo operate the detection tool, contact an AxxonSoft manager and get a license file (see Types of licenses)
Add-ons

For the Face Detection TV to work, you must install TV Face Recognition Pack add-on (see Installing DetectorPack add-ons).

Attention!

  • You can install only one Face Recognition Pack: either TV Face Recognition Pack or VL Face Recognition Pack. You cannot install both packages in the same system.
  • Face Recognition Pack is guaranteed to work on Linux Debian 11 and Ubuntu 20. Face Recognition Packs isn't guaranteed to work on Linux Debian 9/10, Ubuntu 18 and Ubuntu 19 (see Operating system requirements).


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