Ambient Lighting System Alignment via Image Capture Feedback
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Solution Overview
Problem
Existing video display systems with ambient lighting effects face challenges in accurately projecting coordinated ambient images around a display device, particularly due to variable positioning and angles of incidence relative to surrounding surfaces, which affects the overlap and alignment of projected image regions.
Innovation Solution
The system employs a plurality of image projection devices positioned around the display device's border, with integrated or separate image capture devices for calibration and alignment, analyzing captured images to ensure proper overlap and alignment of ambient image regions, and a processor to generate image signals based on content analysis or ambient effect scripts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple image projection devices are positioned around the display device to create ambient lighting effects, then the ambient lighting coverage and visual impact are improved, but the alignment accuracy and coordination of projected image regions deteriorate due to variable positioning and angles of incidence
Solution Approach 1:
The system employs image capture devices to capture images of the projected ambient image regions and feeds this visual information back to the processor. The processor analyzes the captured images to determine the actual positioning and alignment of each projection device, then generates corrected image signals to adjust the projection content. This closed-loop feedback mechanism enables real-time alignment correction despite variable positioning and angles of incidence, resolving the contradiction between wide coverage and alignment precision.
Solution Approach 2:
The system dynamically adjusts projection parameters including image content, brightness, and timing based on the captured alignment data. The processor modifies the image signals sent to each projection device according to its specific position and angle relative to the display surface, allowing each device to project appropriately adjusted content that aligns with adjacent projections. This parameter adaptation enables accurate coordination across multiple devices with varying positions.
2Ease of manufacture
If image projection devices are integrated into the display device structure, then the system complexity is reduced and ease of manufacture is improved, but the flexibility in positioning and calibration capability deteriorates
Solution Approach 1:
The system incorporates image capture devices that automatically capture images of the projected regions and enable self-calibration through processor analysis. The system performs automated alignment correction without requiring manual positioning or external calibration equipment, allowing the integrated projection devices to self-adjust to their actual positions. This self-service capability maintains positioning flexibility despite structural integration, resolving the contradiction between manufacturing ease and adaptability.
3Reliability
If ambient lighting effects are generated based on real-time content analysis, then the realism and viewer experience are improved, but the processing time and computational resources increase
Solution Approach 1:
The system pre-processes and stores alignment calibration data during setup, and uses this pre-established information during operation. The processor relies on previously captured alignment images to determine projection device positions and generates baseline image signals in advance. This preliminary calibration reduces the computational burden during real-time content-driven ambient lighting generation, maintaining realism while reducing processing time losses.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables the production of coordinated and aligned ambient lighting effects that enhance the display experience by ensuring accurate projection and alignment of ambient image portions, reducing viewer fatigue and improving realism, even with variable display orientations and surfaces.
Implementation Method 1
a plurality of image projection devices positioned around a border of a display device... project ambient light on the back wall
Implementation Method 2
A plurality of image capture devices may be positioned around a border of the display device and may operate during a calibration and/or alignment procedure
Data Source
AI summary
A display device including a plurality of image projection devices and a display. The display device provides received content to the display and provides image signals to the plurality of image projection devices. In response to the provided image signals, the plurality of image projection devices project images on an area of a display surface that is separate from the display. A plurality of image capture devices positioned around the display device operate during a calibration and/or alignment procedure of the plurality of image projection devices to calibrate and/or align the projected images.