ProBio (QR)
User Manual
P a g e
| 65
Copyright©2021 ZKTECO CO., LTD. All rights reserved.
Appendix 1
Requirements of Live Collection and Registration of Visible Light Face
Images
1.
It is recommended to perform registration in an indoor environment with an appropriate light
source without underexposure or overexposure on the face.
2.
Do not place the device towards outdoor light sources like door or window or other harsh light
sources.
3.
Dark-color apparels other than the background color are recommended for registration.
4.
Expose your face and forehead properly and do not cover your face and eyebrows with your hair.
5.
It is recommended to show a normal facial expression. (A smile is acceptable, but do not close your
eyes, or incline your head to any orientation).
6.
Two images are required for persons with eyeglasses, one image with eyeglasses and one other
without them.
7.
Do not wear accessories like scarf or mask that may cover your mouth or chin.
8.
Please face right towards the capturing device and locate your face in the image capturing area as
shown in the image below.
9.
Do not include more than one face in the capturing area.
10.
A distance of 50cm to 80cm is recommended for capturing the image. (the distance is adjustable,
subject to body height).
