Search Results for author: Shigeki Aoki

Found 2 papers, 0 papers with code

COVID-19 Infection Segmentation from Chest CT Images Based on Scale Uncertainty

no code implementations9 Jan 2022 Masahiro Oda, Tong Zheng, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku MORI

We utilize the scale uncertainty among various receptive field sizes of a segmentation FCN to obtain infection regions.

The utility of a convolutional neural network for generating a myelin volume index map from rapid simultaneous relaxometry imaging

no code implementations24 Apr 2019 Yasuhiko Tachibana, Akifumi Hagiwara, Masaaki Hori, Jeff Kershaw, Misaki Nakazawa, Tokuhiko Omatsu, Riwa Kishimoto, Kazumasa Yokoyama, Nobutaka Hattori, Shigeki Aoki, Tatsuya Higashi, Takayuki Obata

A CNN was trained to reconstruct RSRI-related metric maps into a myelin volume-related index (generated myelin volume index: GenMVI) map using the myelin volume index map calculated from magnetization transfer images (MTMVI) as reference.

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