Here are some recommendations to avoid false matches in an access control deployment:
- Do not use images that have shadowed eye sockets
- Do not use images with blue or other reflections over the eyes
- Eliminate long-distance recognition by setting recognizer.minimum-face-size to 150 (and up to 200) either in Advanced feed properties for devices at locations where the issue occurs (likely back-lit environments where faces are dark and noisy and void of details like below) or at tenant level for all devices.
- Increase the brightness of images at devices where faces are dark and thus lack details by setting the max shutter speed to 1/30 or 1/50 as appropriate.
- Increase Wait time required to grant access to 1 second to give the device more time to evaluate face
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