Vivotek IP Surveillance User Manual download pdf (Page 128)

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User's Manual - 121

Event Category-All IVA Events

If you select the All IVA Events category, all detected IVA events will be included in the search� Cameras

with embedded intelligent video content analysis are capable of detecting IVA events such as moving

objects, loitering, and tampering� The embedded video content analysis, superior to the conventional

motion detection function, is capable of distinguishing between creature’s motions and still backgrounds

or natural movements such swaying trees, waves or sunsets so as to prevent false alarms from

environmental noise� With camera tamper detection, it can detect incidents such as camera redirection,

blocking or defocusing of cameras, or even spray-paint. Additionally, a suspicious object in the predened

detection region will trigger alarms once the dwell time of the object is longer than the given time�

If you want to change the parameters of IVA, such as the detection region, loitering duration, etc, please

link to the camera's Conguration page to modify the values.

Event Category-All DI Events

If you select All DI Events category, all triggered DI signals will be included in the search� The motion

events signify that there is a Digital-Input signal detected by the camera; its corresponding information

such as DI-Trigger or DI-Normal signal and the time of occurrence are all transmitted and recorded in the

database of the server�

If you want to change the DI/DO setting of the cameras, please link to the camera's Conguration page

to modify the settings�

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Vivotek IP Surveillance User Manual Page 128