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Abstract #0240

Comparing neural networks for synthesizing FLAIR images from T1WI and T2WI

Takashi Abe1, Yuki Matsumoto1, Yuki Kanazawa1, Yoichi Otomi1, Maki Otomo1, Moriaki Yamanaka1, Mihoko Kondo1, Saya Matsuzaki1, Ariunbold Gankhuyag1, Enkhamgalan Dolgorsuren 1, Oyundari Gonchigsuren1, and Masafumi Harada1

1Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan

  1. We checked the performances of different convolutional encoder decoder (CED), one of the neural networks when synthesizing FLAIR using T1WI and T2WI. With the shallow CED, the resolution was good but the contrast was poor, and when the CED became deeper, contrast became better, but the resolution became worse. Next we also added “skip-connection” to CED, but the image quality was not improved with the Inception(GoogLeNet)-like parallel skip-connection, and the image quality improved with the ResNet-like serial skip-connection; that was a mixture of shallow and deep CED, and resembled the structure of U-net.

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