Client Display Adaptation for IR-Illuminated Video Streams
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Solution Overview
Problem
The user experience of viewing video streams from monitoring cameras can be affected by light conditions, as image sensors in monitoring cameras are sensitive to infrared radiation, leading to varying image quality and detail visibility, especially when infrared illuminators are used.
Innovation Solution
A method for displaying video streams on a client device that adjusts display settings based on the on/off status of the infrared illuminator, including color, brightness, and color temperature settings, to harmonize the display appearance and enhance detail visibility, regardless of the time zone or location of the client device relative to the monitoring camera.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the display settings are kept constant regardless of IR-illuminator status, then the device complexity is reduced, but the image quality and detail visibility deteriorate
Solution Approach 1:
The system receives feedback about the IR-illuminator status from the monitoring camera and automatically adjusts display settings based on this feedback. The client device monitors whether the IR-illuminator is on or off and dynamically changes display parameters accordingly, creating a closed-loop control system that optimizes image quality without requiring manual intervention.
Solution Approach 2:
The display settings are made dynamic rather than static. The system automatically transitions between different display configurations based on the IR-illuminator status, allowing the display to adapt its characteristics (brightness, contrast, color temperature) in real-time to match the lighting conditions at the monitored scene.
2Manufacturing precision
If the display brightness is increased to improve visibility of dark video streams captured with IR-illuminator, then the detail visibility is improved, but the power consumption increases
Solution Approach 1:
The system changes multiple display parameters simultaneously based on IR-illuminator status, not just brightness. When IR-illuminator is on, the system adjusts brightness, contrast, and color temperature to optimize the display of dark video streams. This comprehensive parameter adjustment achieves better detail visibility while being more energy-efficient than simply maximizing brightness.
3Ease of operation
If the display settings are adjusted to match the lighting conditions at the scene, then the user experience is improved, but the device complexity increases
Solution Approach 1:
The system performs self-service by automatically detecting the IR-illuminator status and adjusting display settings without user intervention. The client device autonomously monitors the lighting conditions through the video stream metadata and configures optimal display parameters, eliminating the need for manual user adjustment while providing an enhanced user experience.
4Manufacturing precision
If the display adapts to IR-illuminator status to harmonize appearance, then the image quality is improved, but the processing requirements increase
Solution Approach 1:
The system extracts only the essential information needed for display adjustment - specifically the IR-illuminator on/off status from the video stream metadata. By extracting only this critical parameter rather than analyzing the entire video content, the system achieves effective display adaptation with minimal processing overhead, maintaining image quality while limiting processing requirements.
Data Source
AI summary
A method for displaying a video stream of a scene captured by a monitoring camera on a display of a remote client device comprises receiving, at the client device, the video stream and information indicating an on/off status for an IR-illuminator illuminating the scene; setting a display setting of the display differently based on upon the on/off status for the IR-illuminator; and displaying the video stream on the display using the display setting. The client device comprises a display, a receiver which receives a video stream from the monitoring camera, and a control circuit. The control circuit executes an IR-illuminator status function to extract information indicating on/off status for the IR-illuminator illuminating the scene, a display setting function of the display differently upon the on/off status for the IR-illuminator, and a displaying function displays the video stream on the display using the setting set by the display setting function.