Consumer Camera Lighting Control With Capture Timing Feedback
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Solution Overview
Problem
Existing image capture systems using consumer cameras, where the release time lag changes each time image capturing is performed, often fail to align the lighting timing of light sources with the image capture timing, resulting in inconsistent and suboptimal image quality.
Innovation Solution
An information processing apparatus that outputs an image capture instruction signal, obtains an image capture timing signal, and performs lighting control of light sources in synchronization with the image capture timing, ensuring alignment of lighting and image capture timings even with consumer cameras.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a common trigger signal is used to control both light source and image capture apparatus, then the system is simple to operate, but the lighting timing cannot be aligned with image capture timing when release time lag varies
Solution Approach 1:
The system uses the image capture timing signal from the image capture apparatus as feedback to control the light source timing. The controller receives the timing signal and adjusts the light source activation based on this feedback, ensuring synchronization even when release time lag varies. This resolves the contradiction by maintaining operational simplicity while achieving precise timing alignment through automatic feedback-based adjustment.
2Device complexity
If release time lag is not compensated, then the system operates without additional control mechanisms, but image quality becomes inconsistent
Solution Approach 1:
The image capture timing signal acts as an intermediary between the image capture apparatus and the light source control. This intermediary signal enables precise coordination without requiring complex predictive models or multiple control mechanisms. The controller uses this timing signal to synchronize light source activation with actual image capture moments, ensuring consistent image quality while maintaining relatively simple system architecture.
3Device complexity
If lighting timing is not synchronized with image capture timing, then the control system is simpler, but image quality deteriorates due to timing misalignment
Solution Approach 1:
The system employs the image capture timing signal as feedback to dynamically adjust light source timing. This feedback mechanism allows the controller to synchronize lighting with image capture precisely, achieving high image quality precision without requiring an overly complex control system. The feedback-based approach adapts to varying release time lag automatically, maintaining precision while keeping the control system relatively simple.
Data Source
AI summary
There is provided with an information processing apparatus. An outputting unit outputs an image capture instruction signal instructing that image capturing is performed, to an image capture apparatus. An obtaining unit obtains an image capture timing signal indicating a timing for performing image capturing, from the image capture apparatus. A control unit performs lighting control of a light source in accordance with the image capture timing signal being obtained.