CHeKT 4MP Turret Camera : Advanced Features FAQ
This article is designed as a compilation of some of our more advanced Dealer Inquires about internal camera functions. Contact support if you are having trouble working with or understanding a feature in the camera; it may get added to this list.
The CHeKT Camera AI Accuracy is not impacted by the quality dictated in any of the stream output settings. Feel free to edit stream settings for your recorder or connected device knowing they will not make an impact on the AI accuracy. The CHeKT cameras have an independent non-configurable stream allocated for AI determinations.
Camera Sensitivity:
- When a subject enters the detection area of the camera and the camera intelligence recognizes that it is tracking a "person," the sensitivity setting controls the number of points in that subjects bounding box that must enter that area before the camera will consider the entry an alarm condition.
- The intelligent engine will assign a set of points for partial human subjects too, such as if only a Torso enters the viewing area in contrast with the entire human shape. If the human torso is what caused the tracking to start, it will assign the full set of tracking points to the human torso and determine the alarm based on how many of those enter the detection area.
- 1. Least Sensitive: Alarms are triggered when the full object is in the detection area.
- 2. Less Sensitive: Alarms are triggered when more than half of the object is in the detection area.
- 3. Medium Sensitive: Alarms are triggered when about half of the object is in the detection area.
- 4. More Sensitive: Alarms are triggered when a small portion of the object is in the detection area.
- 5. Static Object Detection: Alarms are triggered if part of the object is detected or when an object is static in the detection area (only recommended for specific use cases when very high sensitivity is required; 5 will create more frequent alarm traffic).
Limit Type:
The Limit Type Toggle enables the Type Menu Drop-Down function.
- If Limit type is enabled, users can configure whether the alarm functions will be triggered by person or vehicle.
- If Limit type is disabled, any subject (person or vehicle) entering the defined detection area will create an alarm.
Enabling limit type and selecting both Person and Vehicle would function the same as disabling limit type.
Output Channel:
- When the Output Channel Checkbox is checked for that rule, upon activation of that rule, the relay will engage depending on the configuration below.
- Alarm Output 1 is configured in the CHeKT Camera Menu under the Alarm portion:
The time the relay is engaged is programmed in Milliseconds on that alarm time configuration setting. A setting of 0 will keep the condition indefinitely. For instance, if your idle state is set to open and the alarm time is set to 0, when the rule is activated, the relay will close (having left the idle state) and stay closed indefinitely until a new command is presented.
AI Settings
The AI Settings toggle the Bounding Box displays as well as some of the confidence factors in AI Alarm determination.
Face Detection:
- Enables the Face Detection Function in the Camera.
- Live Results can be viewed under the Face Detection Viewer on the AI Settings Menu in Live View:
- When Enabled, you can view the detections under the Face Tab:
Bounding Box Controls:
- Human Bounding Box: Toggles the visibility of the detection box around the human subject
- Vehicle Bounding Box: Toggle the visibility of the detection box around vehicles
- Display Mode: Toggles some visibility options for Bounding Boxes:
- 1. Full Boxes
- 2. Corners of Boxes
- Mosaic: Creates a blur around the tracked subject
Confidence Coefficient
- The Confidence Coefficient could be described as the minimum confidence level that will create an alarm determination.
- If the setting is configured as "High" only events that have a high confidence in the determination of the tracked subject will create an alarm condition
- You can use this utility to access and view the snapshots utilized for determination in real time:
We recommend testing with live subjects in the the alarm detection areas when editing this toggle to ensure the alarms are being generated with the expected frequency when editing the Confidence Coefficient.
Minimum Pixels:
- You can also define minimum pixels for person or vehicle.
- This is the minimum size in on-screen pixels that the defined subject can be to initiate the person or vehicle tracking that leads to the alarm condition.
- In the event the user is experiencing too many triggers from small animals, the minimum pixel size can be raised to avoid those false detections
- In the event the user is experiencing too few triggers from subjects at the far reaches of the camera detection area, this minimum can be dropped.
As with edits to the confidence coefficient, we recommend utilizing the AI Viewer from the live view tab to validate the detection when edits are made to the minimum pixel size of the target.
Image Settings
Making changes to image settings requires the user to change to Debug Mode from Standard Mode
Scene Options :
- Editing Scene from outdoor to indoor will effect the backlighting conditions in the image. The intent is to better illuminate indoor scenes like bars or restaurants.
- Enabling Aisle mode will generate an elongated image. This is designed to maximize visibility down Ailes or corridors.
- Mirror can flip the image output
DayNight
- The D/N Setting in the camera controls the mode change to day or night mode.
- Day: Always Day mode. IR is off and the white light is only illuminating from an intelligent trigger (if configured).
- Night: Always Night Mode. IR is on and the white light illuminate is following the configuration in light mode.
- Auto: Camera will detect illumination from the scene and determine whether to shift. Below are sensitivity controls and a configurable delay in activation.
- Light mode controls the supplemental illumination that is used for night mode.
- If light mode is set to IR LED or White LED, that will be the light activated when the camera enters night mode (assuming the control setting is left auto)
- If intelligent is selected, the Camera will illuminate the IR as a standard, but energize the White LED when a person or vehicle is seen.
- This will activate independent of the configuration/enabling of the intelligent Rule under the CHeKT AI Rules Menu.
The CHeKT Camera series is quite feature rich so no one article lists every feature option in our cameras. Let us know as you encounter new questions and application suggestions out in the field.
Thanks for reading!
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