Camera installation requirements for using facial recognition analytics for general video surveillance
The following installation requirements for video cameras ensure stable operation of the «Facial Recognition» analytics feature in conjunction with access control and management systems in 70% of cases.
Requirements | These values in the table are given as an example |
|---|---|
Height | not more than 3 meters |
Distance | not more than 6 meters |
Deviation in vertical and horizontal from a direct (90°) view into the camera | no more than 15° |
Shutter speed | not more than 1/100 |
Illumination | not less than 150 lux |
Height and distance depend on the required viewing angle, image quality, and distance.
Requirements for the installation of video cameras for general surveillance
In addition to the requirements listed in the table, the following should also be considered:
Uniform lighting of the face, neutral background
Pixel density of not less than 500 pixels per 1 meter throughout the intended recognition zone
Face dwell time in the camera lens of not less than 1.5 seconds
Headwear and dark glasses should be absent
The image should be sharp and clear
Deep shadows are not allowed
Proportions should not be distorted
Side lighting is not allowed
Examples of correct and incorrect installation