Dr. Koji Kamagata Profile

Dr. Koji Kamagata

at Juntendo Univ

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Author

Publications (4)

Proceedings Article | 3 April 2024 Presentation + Paper

Boosting substantia nigra segmentation from T2 weighted MRI via test-time normalization and distance-reweighted loss

Tao Hu, Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Wataru Sako, Kei-ichi Ishikawa, Shigeki Aoki, Kensaku Mori

Proceedings Volume 12927, 129270O (2024) https://doi.org/10.1117/12.3008521

KEYWORDS: Magnetic resonance imaging, Voxels, Image segmentation, Parkinson disease, Brain, Deep learning

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Proceedings Article | 3 April 2023 Poster + Paper

Priority attention network with Bayesian learning for fully automatic segmentation of substantia nigra from neuromelanin MRI

Tao Hu, Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kensaku Mori

Proceedings Volume 12464, 124643G (2023) https://doi.org/10.1117/12.2655112

KEYWORDS: Magnetic resonance imaging, Image segmentation, Monte Carlo methods, 3D modeling, Parkinson disease, Network architectures

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Proceedings Article | 4 April 2022 Poster + Paper

Size-reweighted cascaded fully convolutional network for substantia nigra segmentation from T2 MRI

Tao Hu, Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kensaku Mori

Proceedings Volume 12032, 120323K (2022) https://doi.org/10.1117/12.2613298

KEYWORDS: Image segmentation, Magnetic resonance imaging, Medical imaging, Convolution, Brain

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Proceedings Article | 4 April 2022 Poster + Presentation + Paper

Substantia nigra analysis by tensor decomposition of T2-weighted images for Parkinson’s disease diagnosis

Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kensaku Mori

Proceedings Volume 12032, 120323T (2022) https://doi.org/10.1117/12.2612830

KEYWORDS: Magnetic resonance imaging, Statistical analysis, Shape analysis, Feature extraction, Drug discovery, Brain, Analytical research, 3D image processing

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