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Dr. Atsushi Osa
at Yamaguchi Univ
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Publications (4)
Proceedings Article | 26 March 2023 Paper
Measurement of micro-vibration frequency along optical axis using spatial frequency analysis of video images
Chihiro Okamura, Atsushi Osa, Kazuyuki Miura
Proceedings Volume 12592, 125922D (2023) https://doi.org/10.1117/12.2666845
KEYWORDS: Video, Vibration, Buildings, Video compression, Cameras, Actuators, Image analysis, Spatial frequencies, Sensors, Video processing
Proceedings Article | 1 May 2022 Paper
A computer simulation method for the motion sharpening phenomenon in human vision system
Proceedings Volume 12177, 121772P (2022) https://doi.org/10.1117/12.2625982
KEYWORDS: Visualization, Image filtering, Computing systems, Computer simulations, Fourier transforms, Digital filtering, Information visualization, Image enhancement, Visual process modeling
Proceedings Article | 1 June 2020 Paper
An estimation method of the camera fluctuation for a video-based vibration measurement
Proceedings Volume 11515, 115151E (2020) https://doi.org/10.1117/12.2566311
KEYWORDS: Cameras, Video, Buildings, Vibrometry, Spatial filters, Safety, Bandpass filters, Earthquakes, Sensors
Proceedings Article | 22 March 2019 Paper
Simulation of image enhancement by stochastic resonance in the human vision system
Proceedings Volume 11049, 1104933 (2019) https://doi.org/10.1117/12.2521547
KEYWORDS: Signal to noise ratio, Stochastic processes, Visual process modeling, Human vision and color perception, Interference (communication), Image enhancement, Signal detection, Digital image processing, Brain, Data processing
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