Prof. Masayuki Nishiki Profile

Prof. Masayuki Nishiki

at International Univ of Health and Welfare

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Author

Publications (3)

SPIE Journal Paper | 23 March 2020

Measurement of the x-ray effective focal spot size with edge response analysis using digital detectors

Masayuki Nishiki, Satoshi Yanagita, Noriko Nishikawa, Hitomi Sugimura

JMI, Vol. 7, Issue 02, 023502, (March 2020) https://doi.org/10.1117/12.10.1117/1.JMI.7.2.023502

KEYWORDS: Sensors, X-rays, Optical transfer functions, Cameras, X-ray detectors, Imaging systems, Fourier transforms, Tungsten, Image processing, X-ray imaging

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Proceedings Article | 9 March 2018 Paper

Use of high purity aluminum filter with different processing methods in the DQE measurement

Satoshi Yanagita, Masayuki Nishiki

Proceedings Volume 10573, 1057368 (2018) https://doi.org/10.1117/12.2292421

KEYWORDS: Aluminum, X-rays, X-ray imaging, Spatial frequencies, Image processing, Image filtering, Signal to noise ratio, Sensors, Crystals

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Proceedings Article | 18 March 2015 Paper

Evaluation of the effective focal spot size of x-ray tubes by utilizing the edge response analysis

Masayuki Nishiki

Proceedings Volume 9412, 94123Z (2015) https://doi.org/10.1117/12.2081306

KEYWORDS: Sensors, Optical transfer functions, X-rays, Fourier transforms, Cameras, Modulation transfer functions, X-ray detectors, Coded apertures, Metals, Copper

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