Image Processing Device for Real-Time Vibration Observation
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Solution Overview
Problem
Existing imaging systems struggle to observe high-speed vibrations, rotations, or movements in real time without requiring separate microphones for frequency detection, limiting their versatility and ability to display images in real-time or slow-motion modes.
Innovation Solution
An imaging system with an imaging element capable of capturing images at a higher frequency than the subject's vibrational frequency, a processor to detect this frequency, and a selection mechanism that sets a longer selection period than the vibration period to sequentially select and display images, allowing real-time and quasi-slow-motion observation without the need for additional frequency detection devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If stroboscopic light is emitted at predetermined timings synchronized with vibrational frequency detected by a separate microphone, then high-speed vibration observation is enabled, but device complexity increases due to requiring separate frequency detection devices
Solution Approach 1:
The patent merges the frequency detection function into the imaging device itself by using the imaging element to capture images at frequencies higher than the vibrational frequency of the subject. The processor then detects the vibrational frequency directly from these images, eliminating the need for separate microphones or frequency detection devices while maintaining observation precision.
Solution Approach 2:
The imaging device is designed to perform multiple functions: it not only captures images for visual observation but also detects vibrational frequency through image analysis. This multi-functionality allows a single device to replace what previously required separate specialized components, simplifying the overall system configuration.
2Speed
If images are captured at higher frequency than vibrational frequency, then real-time observation of high-speed phenomena is enabled, but data processing load increases
Solution Approach 1:
The system performs preliminary frequency detection by analyzing the captured images to identify the vibrational frequency of the subject. Based on this detected frequency, the processor then selects and outputs images at an appropriate frame rate for display. This preliminary analysis allows the system to optimize processing load by not continuously processing all high-frequency images at full resolution,而是 selectively processing only those needed for real-time observation and display.
Data Source
AI summary
An image processing device includes: a processor including hardware. The processor is configured to: obtain images captured by an imaging element configured to perform imaging at a higher frequency than a vibrational frequency of a subject; detect the vibrational frequency of the subject based on the obtained images; set a selection period that is longer than a vibration period of the subject; sequentially select, from among the obtained images, images to be displayed on a display based on the selection period; and output the selected images.