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Configure your scenario according to your covered use cases
Now, as you see your camera, you have the option to configure it. This is where the magic happens!
Scenario Configuration Overview
Each event trigger will generate a unique ID in the background. In order for you to keep track of all your configured types, you are able to give it a custom name on the left side panel of the configuration screen. --> This name is then used for choosing the right data in Data Analytics.
Please find the abbreviation and explanation of each event type below.
We provide templates for the three different areas in order to have everything set for your use case.
- Parking events --> Templates for any use case for Parking monitoring
- Traffic events --> Templates for use cases around Traffic Monitoring and Traffic Safety.
- People events --> Templates for using the People Full Body or People Head model.
This will support you to easier configure your scene with the corresponding available settings. You can find the description of the available Event Triggers and the individual available Trigger Settings below.
Counting Line / Speed Estimates
RoI (Region of Interest)
Origin Destination Zone
Counting Lines will trigger a count as soon as the center of an object crosses the line. While configuring a CL you should consider the perspective of the camera and keep in mind that the center of the object will trigger the count.
The CL is logging as well the direction the object crossed the line in IN and OUT. You may toggle IN and OUT at any time to change the direction according to your needs. On top a custom name for IN and OUT direction can be configured. The custom name for direction can then be used as segmentation in Data Analytics and is part of the event output.
Per default, a CL only counts objects once. In case each crossing should be counted there is an option to enable events for repeated CL crossings. The only limitation taken there is that only counts will be taken into consideration if they are 5 seconds apart from each other.
Toggle for repeated CL crossings
Available Trigger Settings: ANPR, Speed Estimation, Events for repeated CL crossing
You can enable the Speed Estimates feature as a specific trigger setting with a Counting Line in the left side bar. This action will add one additional line that can be used to configure the distance between in your scenario. For best results, use a straight distance without bendings.
Enable Speed Estimation
Counting line with speed estimation enabled
RoIs are counting objects in the specified region. This type also provides as well the Class and Dwell Time, which tells you how long the object has been in this region.
Depending on the scenario type we can differentiate between 3 types of RoIs. For those 3 types we are offering predefined templates described below:
Zones are used for OD - Origin - Destination. Counts will be generated, if an object moves through OD 1 and afterwards through OD 2. For OD at least two zones need to be configured.
The first zone the object passes will be the origin zone and the last one it moved through the destination zone.
Configure Origin/Destination Zones
A VD covers the need of having 3D counting lines. The object needs either to move into the field and then vanish or appear within the field and move out. Objects appearing and disappearing within the field, as well as objects passing the field are not counted.
The Virtual Door is designed for scenes to obtain detailed entry/exits count for doors or entrances of all kinds.
The logic for the Virtual Door is intended to be very simple. Each head or body is continuously tracked as it moves through the camera's view. Where the track starts and ends is used to define if an entry or exit event has occurred.
- Entry: When the track start point starts within the Virtual Door and ends outside the Virtual Door, an in event is triggered
- Exit: When the track start point starts outside the Virtual Door and ends within the Virtual Door, an out event is triggered
- Walk by: When a track point starts outside the Virtual Door and ends outside the Virtual Door, no event is triggered
- Stay outside: When a track point starts inside the Virtual Door and ends inside the Virtual Door, no event is triggered
Note: There is no need to configure the in and out directions of the door (like (legacy) Crossing Lines) as this is automatically set.
ANPR (automatic number-plate recognition)
Journey Time (Advanced Traffic Insights)
You can enable the ANPR feature with a Counting Line, which will add the license plate of vehicles as an additional parameter to the generated events. When enabling the ANPR feature, please consider your local data privacy laws and regulations, as number plates are sensitive information.
The Image Retention Time can be manually set. After this time, any number plate raw information as well as screen captures will be deleted.
In the Global Settings section, you have the option to add focus areas. A focus area will define the area of detection on the frame. So in case focus areas are defined, detections will only be taken into consideration in these corresponding areas. If a focus area is configured, the areas will be shown on the preview frame and in the table below. In the table you have the option to delete the focus area.
Attention: When a focus area is drawn, the live and track calibration will only show detections and tracks in these areas. So before focus areas are drawn check the track calibration in order to see where the tracks are on the frame to not miss essential detections in the focus area definition.
In the configuration, there are two trigger actions to choose from. Either a time or an occupancy change, depending on the use case.
In the Global Trigger settings you can adjust the RoI time interval.
The RoI time interval is used accordingly depending on the chosen trigger action:
- Time --> The status of the region will be sent at the fixed configured time interval.
- Occupancy --> You will receive an event if the occupancy state (vacant/occupied) changes. The RoI time interval is a pause time after an event was sent. This means that the occupancy change will not be checked for the configured time interval and you will receive max. one event per time frame. The state is always compared with the state sent in the last event.
At the raw track mode an event will be generated as soon as the object is leaving the camera frame. At this event the exact track of the object will be retrieved. The track will be gathered in X/Y coordinates of the camera frame.
To create your own solution, select a model for your solution and then place your type (or select raw tracks mode).
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Configure Event Types
When a type is active, left-click and hold the white circles to move the single corner points. You can create any tetragon (four-sided polygon). To move the entire type, left-click and hold anywhere on the type.