The following rules are recommended for facial analytics to work correctly.

Image characteristics

Recommendations for photography

The face should occupy at least 70% of the image;
The facial image in the photo should be in focus from the tip of the chin to the hairline and from the nose to the ears;
The person is shown strictly full-face and looking straight ahead with a neutral expression and closed mouth;
The image is clear, without motion-related blurring;
Eyes should be open, hair should not cover them;
The hairstyle doesn't overlap the face;
A minimal amount of eyeshadow on the face;
No brightly colored lettering or designs on the clothing;
No headgear;
The background of the image is monochromatic;
No pronounced emotion.

Eltex Documentation EN > Image recommendations for facial analytics > image-2025-3-6_12-15-21.png (Image example)

Eltex Documentation EN > Image recommendations for facial analytics > image-2025-3-6_10-8-46.png (Original image)

The examples below demonstrate photos that degrade recognition quality and should be avoided.