Cinematic Camera Micro Frame Capture for Lighting Setup
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Solution Overview
Problem
Traditional methods for capturing multiple lighting setups in a single filming take result in motion artifacts and excessive image data storage requirements, limiting recording time and image quality due to the need for high-speed cameras to capture 200 times more data than standard cinematic cameras, and require complex optical flow algorithms to correct for motion artifacts.
Innovation Solution
A camera system that records high-speed frames only during a portion of each cinematic frame, minimizing motion offset and image data storage by capturing micro frames in short bursts, allowing for concurrent recording of multiple lighting setups with minimal motion artifacts and flexible lighting arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a high-speed camera is used to capture multiple lighting setups in one take, then motion artifacts are reduced, but image data storage requirements increase dramatically
Solution Approach 1:
The camera captures only specific portions (micro frames) of each cinematic frame at high speed, rather than capturing entire frames continuously. This segments the image data capture process to record only the portions containing multiple lighting setups, reducing overall data storage requirements while maintaining motion accuracy where needed
Solution Approach 2:
The patent applies high-speed capture selectively to specific regions or portions of the scene where multiple lighting setups are present, rather than uniformly across the entire frame. This local quality approach reduces data storage by capturing high-speed data only where motion artifacts would be problematic
2Reliability
If a high-speed camera operates at 4800 FPS to capture multiple lighting setups, then motion artifacts are minimized, but recording time is limited due to storage capacity
Solution Approach 1:
By segmenting the capture process to record only specific micro frames within each cinematic frame, the system extends effective recording time without proportionally increasing storage requirements, allowing longer scenes to be captured with multiple lighting setups
3Quantity of substance
If traditional cinematic frame rate (24 FPS) is used, then image data storage requirements are manageable, but motion artifacts become visible in rapidly moving scenes
Solution Approach 1:
The system uses periodic high-speed capture bursts within the cinematic frame rate structure, capturing multiple lighting setups at high speed only when needed, then returning to standard frame rates. This periodic action reduces data storage while maintaining reliability during critical moments with rapid motion or lighting changes
4Manufacturing precision
If complex optical flow algorithms are used to correct motion artifacts, then image quality is improved, but device complexity increases
Solution Approach 1:
The patent performs motion correction and image quality enhancement during the capture phase itself by strategically timing the high-speed micro frame captures, rather than requiring complex post-processing algorithms. This preliminary action reduces device complexity by handling corrections at capture rather than in post-production
Data Source
AI summary
Apparatus for recording a scene using a plurality of lighting setups in rapid sequence to concurrently record a plurality of motion picture clips of the scene, one motion picture clip for each lighting setup, the plurality of clips together exhibiting negligible motion offset. The apparatus includes a plurality of light sources, a controller to define the plurality of lighting setups using the plurality of light sources and to actuate the lighting setups in sequence, a camera to capture a sequence of micro frames showing the scene illuminated by each one of the plurality of lighting setups in sequence during each micro frame, and optionally a processing module to process the sequence of micro frames to generate a motion picture clip of the scene for each of the lighting setups. The duration of the micro frame sequence is short enough to minimize the need for an algorithm for removing motion artifacts.