Alert - Stationary
Generates an alert when an object is stationary for a specified amount of time. By default the engine analyzes the entire scene but you can also restrict analysis to a region. 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 stationary. |
Region | The region of the scene that you want to monitor. |
Type | The analysis engine to use. Set this parameter to AlertStationary . |
Output Tracks
Output track | Description |
---|---|
Data
|
Contains one record for each object that is stationary for longer than MinimumTime, for each video frame. |
Result
|
Contains one record for each object that is stationary for longer than MinimumTime. If a stationary object moves and then becomes stationary again, Media Server can produce multiple results with the same ID. Media Server increments the value of the alertIndex field each time the object moves and becomes stationary again. |
ResultWithSource
|
The same as the |
Start
|
The same as the |
End
|
The same as the |
Alert
|
Contains one record for each object that is stationary for longer than MinimumTime. If a stationary object moves and then becomes stationary again, Media Server can produce multiple alerts with the same ID. Media Server increments the value of the This track differs from the |
AlertWithSource
|
The same as the |
To see an example record, use the action GetExampleRecord.