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VIVOTEK
User's Manual - 173
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 tamper detection.
The embedded video content analysis, superior to the conventional motion detection function, is capable
of distinguishing between creature’s motions, static backgrounds or natural movements such swaying
trees, waves or sunsets to prevent false alarms from environmental noises.
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 pre-dened detection region will
trigger alarms once the dwell time of the object is longer than the given time.
You can click Add or Remove to change the search criteria items.
If you want to change the parameters of IVA, such as the detection region, loitering duration, etc, please
link to the camera's Conguration 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 DI 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 also transmitted and recorded in the
database of the server.
You can click Add or Remove to change the search criteria options.
For more information about DI/DO settings on the connected devices, please refer to page 70 for detailed
illustration.