Mr. Keisuke Yamakawa Profile

Keisuke Yamakawa

Researcher at FUJIFILM Corporation

SPIE Involvement:

Author

Area of Expertise:

X-ray computed tomoraphy , X-ray tomosynthesis , Image reconstruction , Iterative reconstruction , Dual energy imaging , Artifact reduction

Websites:

Company Website

Publications (7)

Proceedings Article | 4 April 2022 Poster + Paper

Study for band artifact correction for photon counting detector CT

Shinichi Kojima, Kazuma Yokoi, Keisuke Yamakawa, Isao Takahashi

Proceedings Volume 12031, 1203130 (2022) https://doi.org/10.1117/12.2606153

KEYWORDS: Sensors, X-rays, Photon counting, Signal attenuation, Iodine, X-ray computed tomography, X-ray sources, X-ray imaging

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Proceedings Article | 4 April 2022 Poster + Paper

Metal artifact reduction by direct artifact prediction using deep learning in x-ray CT

Keisuke Yamakawa, Taiga Goto, Masatoshi Kudo, Yuko Aoki, Tadashi Machida

Proceedings Volume 12031, 120312X (2022) https://doi.org/10.1117/12.2611082

KEYWORDS: Metals, Lithium, Image processing, X-ray computed tomography, Tissues, X-rays, Image filtering, Convolution, Image segmentation, X-ray imaging

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Proceedings Article | 16 March 2020 Paper

Artifact correction for small metals by combining pattern matching and interpolation methods in x-ray

Keisuke Yamakawa, Keiko Takahashi, Tadashi Nakamura

Proceedings Volume 11312, 113122C (2020) https://doi.org/10.1117/12.2548965

KEYWORDS: Metals, Roentgenium, X-rays, 3D image processing, Digital x-ray imaging, X-ray imaging, Bone, Digital imaging, CT reconstruction, Image filtering

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Proceedings Article | 1 March 2019 Presentation + Paper

Metal artifact correction based on combination of 2D and 3D region growing for x-ray tomosynthesis

Keisuke Yamakawa, Keiko Takahashi, Tadashi Nakamura

Proceedings Volume 10948, 1094809 (2019) https://doi.org/10.1117/12.2511820

KEYWORDS: Metals, Roentgenium, X-rays, Bone, Digital x-ray imaging, X-ray imaging, CT reconstruction, Digital imaging, 3D image processing, Image filtering

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Proceedings Article | 19 March 2014 Paper

Two-step iterative reconstruction of region-of-interest with truncated projection in computed tomography

Keisuke Yamakawa, Shinichi Kojima

Proceedings Volume 9033, 90333B (2014) https://doi.org/10.1117/12.2042228

KEYWORDS: Photons, Data acquisition, Iterative methods, Computed tomography, X-ray computed tomography, Error analysis, X-rays, Abdomen, X-ray imaging, X-ray detectors

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Proceedings Article | 6 March 2013 Paper

Background filtering for accuracy improvement in computed tomography with iterative region-of-interest reconstruction

Keisuke Yamakawa, Shinichi Kojima

Proceedings Volume 8668, 86683F (2013) https://doi.org/10.1117/12.2007244

KEYWORDS: Image filtering, Signal attenuation, Computed tomography, X-ray computed tomography, Data acquisition, X-rays, Sensors, X-ray detectors, CT reconstruction, X-ray imaging

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Proceedings Article | 3 March 2012 Paper

Development of optimized segmentation map in dual energy computed tomography

Keisuke Yamakawa, Hironori Ueki

Proceedings Volume 8313, 83132W (2012) https://doi.org/10.1117/12.910842

KEYWORDS: Image segmentation, X-rays, Tissues, Bone, Signal attenuation, X-ray imaging, Blood vessels, Dual energy imaging, Computed tomography, Error analysis

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Showing 5 of 7 publications

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