Traffic Lights
Determines the state of traffic lights, so that you can detect vehicles failing to stop for a red light.
Configuration Parameter | Description |
---|---|
AmberMinDuration | The minimum amount of time that the amber light must be on. |
AmberRegion | The position of the amber light. |
GreenRegion | The position of the green light. |
Input | The image track to process. |
MinLuminance | The luminance threshold at which Media Server considers a light to be on rather than off. |
RedCyclesPerMinute | The range of acceptable frequencies for flashing red lights. |
RedMinDuration | The minimum amount of time that the red light must be on. |
RedRegion0 | The position of the red light. |
RedRegion1 | The position of the second red light (for level crossings). |
SampleInterval | The interval at which frames are selected to be analyzed. |
SegmentDuration | The maximum duration of a record in the SegmentedResult track. |
Type | The analysis engine to use. Set this parameter to TrafficLight . |
Output Tracks
Output track | Description |
---|---|
Data
|
Contains a record for each analyzed video frame, describing whether the lights are red. |
Result
|
Contains a record each time the lights change, describing whether the lights are red. |
SegmentedResult
|
(Available only when processing video). The same as the |
Start
|
The same as the |
End
|
The same as the |
To see an example record, use the action GetExampleRecord.