Media Server 24.3

# Alert - Region

Generates an alert when an object is present within a specified region for a specified amount of time. Before using this analysis engine, configure a task such as Object Class Recognition to track objects.

Configuration Parameter | Description
--- | ---
FreeformRegion | The region of the scene that you want to monitor.
Input | The name of the image track to analyze.
MinimumTime | The amount of time that an object must remain within the region.
Region | The region of the scene that you want to monitor.
Type | The analysis engine to use. Set this parameter to `AlertRegion`.

## Output Tracks

Output track | Description
--- | ---
`Data` | Contains one record for each object that remains within the region for longer than MinimumTime, for each video frame.
`Result` | Contains one record for each object that remains within the region for longer than MinimumTime. If an object moves in and out of the region several times, Media Server can produce several results with the same ID.
`ResultWithSource` | The same as the `Result` track, but each record also includes the best source frame.
`Start` | The same as the `Data` track, except it contains only the first record of each event.
`End` | The same as the `Data` track, except it contains only the last record of each event.
`Alert` | Contains one record for each object that remains within the region for longer than MinimumTime. If an object moves in and out of the region several times, Media Server can produce several alerts with the same ID. This track differs from the `Result` track because records are created as soon as the object meets the minimum time requirement, rather than when the object exits the region.
`AlertWithSource` | The same as the `Alert` track, but each record also includes the source frame.

To see an example record, use the action GetExampleRecord.

Copyright 2024 Open Text
Version 24.3 | Last updated June 2024

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Product: IDOL Media Server 24.3

Topic Title: Alert - Region