Portable Chroma Key Lighting System for Smart Device Compositing
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Solution Overview
Problem
Current methods for creating high-quality Chroma key composites using smart devices are hindered by lighting imperfections, which result in fuzzy pixels and are time-consuming and expensive due to the need for extensive equipment and post-production techniques to achieve color neutrality.
Innovation Solution
A portable Chroma key compositing system that includes a monochromatic background structure with integrated targeted lighting modules and a processor for automatic lighting adjustments, allowing for real-time correction of lighting imperfections and uniform illumination, enabling high-definition Chroma key compositing on smart devices without the need for extensive equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional Chroma key compositing is used with extensive equipment and post-production techniques, then color neutrality and background quality are improved, but device complexity and cost increase significantly
Solution Approach 1:
The system uses the smart device's own camera and processing capabilities to perform Chroma key compositing, eliminating the need for separate professional equipment. The device captures images, processes them through the application, and generates composites autonomously without requiring external post-production facilities
Solution Approach 2:
The invention extracts the Chroma key compositing functionality from professional studio equipment and consolidates it into a mobile application running on a smart device. This separation allows the complex processing to occur software-based on the device itself rather than requiring physical studio infrastructure
2Device complexity
If smart device camera is used to capture Chroma key composites, then device complexity is reduced, but lighting imperfections cause fuzzy pixels and quality degradation
Solution Approach 1:
The application performs preliminary processing of the captured image to identify and correct lighting imperfections before final composite generation. By detecting shadows and hotspots in advance and applying corrective measures during the capture phase rather than requiring perfect lighting setup, the system maintains quality while using simple equipment
Solution Approach 2:
The system adjusts image parameters such as brightness, contrast, and color balance to compensate for lighting imperfections. By modifying these parameters during processing, the application corrects shadows and hotspots to produce crisp, high-quality composites despite the limitations of mobile device lighting
3Ease of operation
If monochromatic background is used without uniform lighting, then setup simplicity is improved, but lighting imperfections impede color neutrality
Solution Approach 1:
The invention replaces the mechanical approach of achieving color neutrality through physical lighting equipment and precise background setup with a software-based solution. The application uses image processing algorithms to detect and correct lighting imperfections digitally, substituting computational methods for physical lighting adjustments
Data Source
AI summary
A system and, related method, is disclosed for enabling Chroma key compositing using a smart device, wherein an image/video of a subject situated in front of a portable monochromatic background is captured, and simultaneously layered upon a different desired background replacement that will replace only the monochromatic background captured. The portable monochromatic background structure can be an inflatable structure affixed with a plurality of lighting modules configured to ensure a uniform light distribution across the monochromatic background and separately ensure a uniform light distribution on the subject during the image/video capture. Moreover, a software application on a smart device can act as a system platform that enables for automatic light adjustment of the lighting modules on a portable monochromatic background to correct any light imperfections that impede color neutrality on the background, which would otherwise result in the inability to create broadcast quality background replacement content with a smart device using the monochromatic lighting platform disclosed herein.