ACTi MGB-102 Manuale utente

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Camera Installation Guide

for use with

MGB-102, MGB-103, MGB-104

2019/08/29

www.acti.com

INSTALLATION GUIDE

2

Thank you for purchasingACTi products and solutions. The following

documentation covers basic installation instructions of cameras that will be used

with your MGB device.

NOTE: The accuracy of the analytics algorithm may be affected by different

environmental factors or inappropriate installation. Please follow the

procedures in this guide. ACTi will not be liable for inaccuracies resulting

from the aforesaid causes.

Part 1: Camera Environment Settings

Normal brightness, no additional lighting

•Lights should be distributed evenly.

•If there is a strong backlight, it is recommended to use a WDR wide dynamic

camera.

•Target object should be walking normally

•The angle between the camera and the target face should be less than 15

degrees from the horizontal plane.

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INSTALLATION GUIDE

3

•Mounting height of the camera

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INSTALLATION GUIDE

4

Part 2: Recommended Face Recognition Settings

•Face orientation:

Up / down within 20 degrees Left / right within 35 degrees

•High quality image, minimum resolution of 720p

•Minimum face size entry: 100x100 pixels or at least a distance of 50 pixels

between the eyes

Recommended face size entry: 150x150 pixels or at least a distance of 75

pixels between the eyes

Recognizable minimum face size: 70x70 pixels or a distance of 35 pixels

between eyes = equivalent to a camera resolution of at least 583 pixels per

meter

Minimum face size sample

Minimum distance of the eyes

100 x 100 pixels

50 pixelx

Minimum size

for face recognition

Minimum distance of the eyes

for face recognition

70x70 Pixel

35 Pixel

Recognizable recommended face size: 100x100 pixels or at least 50 pixels

between eyes. Equivalent to a camera resolution of at least 833 pixels per meter.

www.acti.com

INSTALLATION GUIDE

5

Part 3: Effects of Resolution and Focal Length on the

Detection Range of the Face

The following estimates are based on the minimum pixel requirement of at least

583 pixels per meter (583 px/m). A higher the resolution will achieve better

results, for example, 833 pixels per meter (833 px/m).

Resolution

Focal Length

www.acti.com

INSTALLATION GUIDE

6

Copyright © 2019, ACTi Corporation All Rights Reserved

7F, No. 1, Alley 20, Lane 407, Sec. 2, Ti-Ding Blvd., Neihu District, Taipei,

Taiwan 114, R.O.C.

TEL : +886-2-2656-2588 FAX : +886-2-2656-2599

Email: [email protected]