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Sensors 2017, 17(11), 2483; https://doi.org/10.3390/s17112483

Motion-Blur-Free High-Speed Video Shooting Using a Resonant Mirror

1
Department of System Cybernetics, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
2
Institute of Automation, Chinese Academy of Sciences, No. 95 Zhongguancun East Road, Haidian District, Beijing 100190, China
3
Photron Ltd., Kanda Jinbo-cho 1-105, Chiyoda-Ku, Tokyo 101-0051, Japan
*
Author to whom correspondence should be addressed.
Received: 15 September 2017 / Revised: 22 October 2017 / Accepted: 25 October 2017 / Published: 29 October 2017
(This article belongs to the Special Issue Video Analysis and Tracking Using State-of-the-Art Sensors)
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Abstract

This study proposes a novel concept of actuator-driven frame-by-frame intermittent tracking for motion-blur-free video shooting of fast-moving objects. The camera frame and shutter timings are controlled for motion blur reduction in synchronization with a free-vibration-type actuator vibrating with a large amplitude at hundreds of hertz so that motion blur can be significantly reduced in free-viewpoint high-frame-rate video shooting for fast-moving objects by deriving the maximum performance of the actuator. We develop a prototype of a motion-blur-free video shooting system by implementing our frame-by-frame intermittent tracking algorithm on a high-speed video camera system with a resonant mirror vibrating at 750 Hz. It can capture 1024 × 1024 images of fast-moving objects at 750 fps with an exposure time of 0.33 ms without motion blur. Several experimental results for fast-moving objects verify that our proposed method can reduce image degradation from motion blur without decreasing the camera exposure time. View Full-Text
Keywords: high-speed vision; frame-by-frame intermittent tracking; fast-moving-object inspection; image stabilization high-speed vision; frame-by-frame intermittent tracking; fast-moving-object inspection; image stabilization
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Inoue, M.; Gu, Q.; Jiang, M.; Takaki, T.; Ishii, I.; Tajima, K. Motion-Blur-Free High-Speed Video Shooting Using a Resonant Mirror. Sensors 2017, 17, 2483.

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