高速ビジョンを用いた実時間振動スペクトルイメージング

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  • Real-time Vibration Spectrum Imaging Using High-speed Vision

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<p>This paper describes a real-time vibration spectrum imaging system with pixel-level shortterm Fourier Transform (STFT); the pixel-level STFT function for HFR images at 1000 fps or more is accelerated with its parallel-implementation on a GPU-based high-speed vision system, and power vibration spectrum images of 512×512 pixels can be obtained in real time at 30 fps By showing experimental results for vibrating objects such as a multicopter and guitar strings, the effectiveness of real-time vibration spectrum imaging was verified on our system.</p>

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