Shigeki Aoki

41 papers B 3Misc 1Journal 24Unranked 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
A robust denoising diffusion framework for completing missing regions of multiple biomedical signals.
Biomed. Signal Process. Control.
Shurun Wang, Hao Tang, Ryutaro Himeno, Jordi Solé-Casals, Cesar F. Caiafa, Shigeki Aoki, Zhe Sun
2026 J jnl
Fully automated segmentation of substantia nigra toward longitudinal analysis of Parkinson's disease.
Int. J. Comput. Assist. Radiol. Surg.
Tao Hu, Hayato Itoh, Masahiro Oda, Shinji Saiki, Koji Kamagata, Keiichi Ishikawa, Wataru Sako, Nobutaka Hattori, Shigeki Aoki, Kensaku Mori
2026 J jnl
Left-right relationship-aware 3D volume classification method.
Int. J. Comput. Assist. Radiol. Surg.
Masahiro Oda, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2025 J jnl
ECGDenoiser: A Magnitude-Aware Deep Learning Framework with Phase Retrieval for Electrocardiogram Signal Enhancement.
Circuits Syst. Signal Process.
Shurun Wang, Hao Tang, Ryutaro Himeno, Jordi Solé-Casals, Cesar F. Caiafa, Shigeki Aoki, Zhe Sun
2025 J jnl
Gray matter microstructure alterations with excess extra-cellular free water contribute to cognitive dysfunction in bipolar disorder: A comparative analysis with white matter pathology.
NeuroImage
Yasuhito Nagai, Toshimasa Fujimura, Wataru Uchida, Rinako Iseki, Koji Kamagata, Shigeki Aoki, Tadafumi Kato
2025 — conf
Parameter-Efficient Fine-Tuning of 3D DDPM for MRI Image Generation Using Tensor Networks.
MICCAI (4)
Binghua Li, Ziqing Chang, Tong Liang, Chao Li, Toshihisa Tanaka, Shigeki Aoki, Qibin Zhao, Zhe Sun
2025 J jnl
Parameter-Efficient Fine-Tuning of 3D DDPM for MRI Image Generation Using Tensor Networks.
CoRR
Binghua Li, Ziqing Chang, Tong Liang, Chao Li, Toshihisa Tanaka, Shigeki Aoki, Qibin Zhao, Zhe Sun
2025 J jnl
Retrieval-augmented generation elevates local LLM quality in radiology contrast media consultation.
npj Digit. Medicine
Akihiko Wada, Yuya Tanaka, Mitsuo Nishizawa, Akira Yamamoto, Toshiaki Akashi, Akifumi Hagiwara, Yayoi Hayakawa, Junko Kikuta, Keigo Shimoji, Katsuhiro Sano, Koji Kamagata, Atsushi Nakanishi, Shigeki Aoki
2025 — conf
Subnet Level Anomaly Detection at Time Units Using VAE.
ICEIC
Tatsuki Nishida, Shigeki Aoki, Masaya Ohta, Takao Miyamoto
2024 J jnl
CORTEX: Large-Scale Brain Simulator Utilizing Indegree Sub-Graph Decomposition on Fugaku Supercomputer.
CoRR
Tianxiang Lyu, Mitsuhisa Sato, Shigeki Aoki, Ryutaro Himeno, Zhe Sun
2024 J jnl
Effective network analysis in music listening based on electroencephalogram.
Comput. Electr. Eng.
Ying Tan, Zhe Sun, Xiangbin Teng, Pauline Larrouy-Maestri, Feng Duan, Shigeki Aoki
2024 — conf
Enhancing Large Scale Brain Simulation with Optimized Parallel Algorithms on Fugaku Supercomputer.
CLUSTER Workshops
Tianxiang Lyu, Mitsuhisa Sato, Shigeki Aoki, Ryutaro Himeno, Zhe Sun
2024 J jnl
Optimizing graph neural network architectures for schizophrenia spectrum disorder prediction using evolutionary algorithms.
Comput. Methods Programs Biomed.
Shurun Wang, Hao Tang, Ryutaro Himeno, Jordi Solé-Casals, Cesar F. Caiafa, Shuning Han, Shigeki Aoki, Zhe Sun
2024 J jnl
Preliminary study of substantia nigra analysis by tensorial feature extraction.
Int. J. Comput. Assist. Radiol. Surg.
Hayato Itoh, Masahiro Oda, Shinji Saiki, Koji Kamagata, Wataru Sako, Keiichi Ishikawa, Nobutaka Hattori, Shigeki Aoki, Kensaku Mori
2024 J jnl
Revolutionizing MRI Data Processing Using FSL: Preliminary Findings with the Fugaku Supercomputer.
CoRR
Tianxiang Lyu, Wataru Uchida, Zhe Sun, Christina Andica, Keita Tokuda, Rui Zou, Jie Mao, Keigo Shimoji, Koji Kamagata, Mitsuhisa Sato, Ryutaro Himeno, Shigeki Aoki
2023 — conf
Classification of COVID-19 cases from chest CT volumes using hybrid model of 3D CNN and 3D MLP-mixer.
Computer-Aided Diagnosis
Masahiro Oda, Tong Zheng, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2023 J jnl
Identifying Suspicious Regions of Covid-19 by Abnormality-Sensitive Activation Mapping.
CoRR
Ryo Toda, Hayato Itoh, Masahiro Oda, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2023 — conf
Improved method for COVID-19 classification of complex-architecture CNN from chest CT volumes using orthogonal ensemble networks.
Computer-Aided Diagnosis
Ryo Toda, Masahiro Oda, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2023 B conf
Priority attention network with Bayesian learning for fully automatic segmentation of substantia nigra from neuromelanin MRI.
Image Processing
Tao Hu, Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kensaku Mori
2022 J jnl
Aorta-aware GAN for non-contrast to artery contrasted CT translation and its application to abdominal aortic aneurysm detection.
Int. J. Comput. Assist. Radiol. Surg.
Tao Hu, Masahiro Oda, Yuichiro Hayashi, Zhongyang Lu, Kanako Kunishima Kumamaru, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2022 — conf
Automated classification method of COVID-19 cases from chest CT volumes using 2D and 3D hybrid CNN for anisotropic volumes.
Computer-Aided Diagnosis
Masahiro Oda, Tong Zheng, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2022 J jnl
COVID-19 Infection Segmentation from Chest CT Images Based on Scale Uncertainty.
CoRR
Masahiro Oda, Tong Zheng, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2022 — conf
Enhancing Model Generalization for Substantia Nigra Segmentation Using a Test-time Normalization-Based Method.
MICCAI (8)
Tao Hu, Hayato Itoh, Masahiro Oda, Yuichiro Hayashi, Zhongyang Lu, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kanako K. Kumamaru, Toshiaki Akashi, Kensaku Mori
2022 J jnl
Hypothalamic interaction with reward-related regions during subjective evaluation of foods.
NeuroImage
Akitoshi Ogawa, Takahiro Osada, Masaki Tanaka, Akimitsu Suda, Koji Nakajima, Satoshi Oka, Koji Kamagata, Shigeki Aoki, Yasushi Oshima, Sakae Tanaka, Nobutaka Hattori, Seiki Konishi
2022 — conf
Pattern Analysis of Substantia Nigra in Parkinson Disease by Fifth-Order Tensor Decomposition and Multi-sequence MRI.
MMMI@MICCAI
Hayato Itoh, Tao Hu, Masahiro Oda, Shinji Saiki, Koji Kamagata, Nobutaka Hattori, Shigeki Aoki, Kensaku Mori
2022 J jnl
Rigid real-time prospective motion-corrected three-dimensional multiparametric mapping of the human brain.
NeuroImage
Shohei Fujita, Akifumi Hagiwara, Naoyuki Takei, Issei Fukunaga, Yasuhiro Hagiwara, Takashi Ogawa, Taku Hatano, Dan Rettmann, Suchandrima Banerjee, Ken-Pin Hwang, Shiori Amemiya, Koji Kamagata, Nobutaka Hattori, Osamu Abe, Shigeki Aoki
2022 B conf
Size-reweighted cascaded fully convolutional network for substantia nigra segmentation from T2 MRI.
Image Processing
Tao Hu, Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kensaku Mori
2022 B conf
Substantia nigra analysis by tensor decomposition of T2-weighted images for Parkinson's disease diagnosis.
Image Processing
Hayato Itoh, Masahiro Oda, Shinji Saiki, Nobutaka Hattori, Koji Kamagata, Shigeki Aoki, Kensaku Mori
2021 — conf
COVID-19 Infection Segmentation from Chest CT Images Based on Scale Uncertainty.
CLIP/DCL/LL-COVID19/PPML@MICCAI
Masahiro Oda, Tong Zheng, Yuichiro Hayashi, Yoshito Otake, Masahiro Hashimoto, Toshiaki Akashi, Shigeki Aoki, Kensaku Mori
2020 J jnl
Connectivity-based localization of human hypothalamic nuclei in functional images of standard voxel size.
NeuroImage
Akitoshi Ogawa, Takahiro Osada, Masaki Tanaka, Koji Kamagata, Shigeki Aoki, Seiki Konishi
2020 — conf
Usefulness of fine-tuning for deep learning based multi-organ regions segmentation method from non-contrast CT volumes using small training dataset.
Computer-Aided Diagnosis
Yuichiro Hayashi, Chen Shen, Holger R. Roth, Masahiro Oda, Kazunari Misawa, Masahiro Jinzaki, Masahiro Hashimoto, Kanako K. Kumamaru, Shigeki Aoki, Kensaku Mori
2019 J jnl
The utility of a convolutional neural network for generating a myelin volume index map from rapid simultaneous relaxometry imaging.
CoRR
Yasuhiko Tachibana, Akifumi Hagiwara, Masaaki Hori, Jeff Kershaw, Misaki Nakazawa, Tokuhiko Omatsu, Riwa Kishimoto, Kazumasa Yokoyama, Nobutaka Hattori, Shigeki Aoki, Tatsuya Higashi, Takayuki Obata
2017 J jnl
Functional subdivisions of the hypothalamus using areal parcellation and their signal changes related to glucose metabolism.
NeuroImage
Takahiro Osada, Ruriko Suzuki, Akitoshi Ogawa, Masaki Tanaka, Masaaki Hori, Shigeki Aoki, Yoshifumi Tamura, Hirotaka Watada, Ryuzo Kawamori, Seiki Konishi
2012 J jnl
Repeatability of Measured Brain Volume by Atlas-Based Method Using T1-Weighted Image.
J. Digit. Imaging
Masami Goto, Tosiaki Miyati, Osamu Abe, Hidemasa Takao, Tomomi Kurosu, Naoto Hayashi, Shigeki Aoki, Harushi Mori, Akira Kunimatsu, Kenji Ino, Keiichi Yano, Kuni Ohtomo
2009 J jnl
Structural and diffusional brain abnormality related to relatively low level alcohol consumption.
NeuroImage
Hiroki Sasaki, Osamu Abe, Hidenori Yamasue, Rin Fukuda, Haruyasu Yamada, Kunio Takei, Motomu Suga, Hidemasa Takao, Kiyoto Kasai, Shigeki Aoki, Kuni Ohtomo
2006 — conf
Model-based tractography based on statistical atlas of MR-DTI.
ISBI
Yoshitaka Masutani, Shigeki Aoki, Osamu Abe, Kuni Ohtomo
2005 Misc conf
Building Statistical Atlas of White Matter Fiber Tract Based on Vector/Tensor Field Reconstruction in Diffusion Tensor MRI.
ISVC
Yoshitaka Masutani, Shigeki Aoki, Osamu Abe, Mariko Yoshida, Haruyasu Yamada, Harushi Mori, Kenji Ino, Kuni Ohtomo
2005 J jnl
Learning and recognizing behavioral patterns using position and posture of human body and its application to detection of irregular states.
Syst. Comput. Jpn.
Shigeki Aoki, Yoshio Iwai, Masaki Onishi, Atsuhiro Kojima, Kunio Fukunaga
2004 J jnl
Abnormal association between reduced magnetic mismatch field to speech sounds and smaller left planum temporale volume in schizophrenia.
NeuroImage
Hidenori Yamasue, Haruyasu Yamada, Masato Yumoto, Satoru Kamio, Noriko Kudo, Miki Uetsuki, Osamu Abe, Rin Fukuda, Shigeki Aoki, Kuni Ohtomo, Akira Iwanami, Nobumasa Kato, Kiyoto Kasai
2004 — conf
Scene Recognition Based on Relationship between Human Actions and Objects.
ICPR (3)
Mirai Higuchi, Shigeki Aoki, Atsuhiro Kojima, Kunio Fukunaga
2003 — conf
EPI distortion correction for MR-DTI by using texture memory on graphics hardware.
CARS
Yoshitaka Masutani, Takeharu Yoshikawa, Shigeki Aoki, Kuni Ohtomo, Anthony J. Sherbondy, Sandy Napel