Dynamic Display Border for Video Conference Ambient Lighting
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Solution Overview
Problem
Current information handling systems fail to dynamically adjust ambient lighting during video conferences, leading to inadequate illumination of users, which can result in poor video quality and user discomfort.
Innovation Solution
The system captures a user's face image using a low-power camera and analyzes lighting characteristics, generating a border around the video image that can be adjusted in luminosity and color to provide optimal ambient lighting, ensuring the user is uniformly and appropriately illuminated.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the system uses a low-power camera to capture user images, then energy consumption is reduced, but the ability to provide adequate lighting analysis may be compromised
Solution Approach 1:
The patent introduces a display border as an intermediary element that provides ambient lighting to the user's face. The border acts as a mediator between the camera system and the user, compensating for insufficient lighting without requiring additional high-power lighting hardware. The border's luminosity and color are dynamically adjusted based on lighting analysis to illuminate the user uniformly.
2Illumination intensity
If the system dynamically adjusts border lighting in real-time, then video quality and user illumination are improved, but system complexity increases
Solution Approach 1:
The display border serves multiple functions: it acts as a visual frame for the video content, provides ambient lighting for the user's face, and serves as a control interface for users to adjust lighting preferences. This multi-functionality reduces the need for separate dedicated lighting hardware and control mechanisms, thereby managing system complexity while improving illumination quality.
Solution Approach 2:
The system automatically analyzes lighting conditions and adjusts the border illumination without requiring manual user intervention. The border lighting adapts autonomously to different environmental conditions, user positions, and video content, reducing the complexity of manual control systems while maintaining optimal lighting conditions.
3Illumination intensity
If the border luminosity is increased to improve user illumination, then video quality improves, but energy consumption and display power requirements increase
Solution Approach 1:
The border luminosity is dynamically adjusted based on real-time lighting conditions rather than maintaining a fixed high brightness level. The system modulates the border illumination intensity according to the analyzed lighting characteristics, providing sufficient lighting only when and where needed, thereby reducing overall energy consumption compared to continuously high border luminosity.
Data Source
AI summary
A method for adjusting illumination of a user operating an information handling system may include capturing an image of the user's face using a camera at the information handling system. The method may further include determining lighting characteristics of the user's face based on the captured image. A border to be displayed surrounding a video image can be generated based on the determined lighting characteristics. The video image and the border can be displayed at a display device.