Ryohei Nakayama

27 papers C 1Misc 1Journal 17Unranked 8

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	VoxelMorph-Based Non-Rigid Chest CT Registration With Multi-Frequency Encoding and Curriculum Learning. IEEE Access Yamato Kohara, Ryohei Nakayama, Motonori Nagata, Yasutaka Ichikawa, Hajime Sakuma
2025	J	`jnl`	Unsupervised Video Anomaly Detection Using Video Vision Transformer and Adversarial Training. IEEE Access Shimpei Kobayashi, Akiyoshi Hizukuri, Ryohei Nakayama
2024	J	`jnl`	Computerized Classification Method for Molecular Subtypes of Low-Grade Gliomas on Brain MR Images Using Modified ArcFace With Gram-Schmidt Orthogonalization. IEEE Access Akiyoshi Hizukuri, Daiki Tanaka, Ryohei Nakayama, Kaori Kusuda, Ken Masamune, Yoshihiro Muragaki
2024	J	`jnl`	Computerized Segmentation Method for Nonmasses on Breast DCE-MRI Images Using ResUNet++ with Slice Sequence Learning and Cross-Phase Convolution. J. Imaging Inform. Medicine Akiyoshi Hizukuri, Ryohei Nakayama, Mariko Goto, Koji Sakai
2024	J	`jnl`	Theoretical and Technical Issues Concerning the Measurement of Alpha Frequency and the Application of Signal Detection Theory: Comment on Buergers and Noppeney (2022). J. Cogn. Neurosci. Tomoya Kawashima, Ryohei Nakayama, Kaoru Amano
2023	J	`jnl`	High Speed ASIC Architectures for Aggregate Signature over BLS12-381. IEICE Trans. Electron. Kaoru Masada, Ryohei Nakayama, Makoto Ikeda
2023	J	`jnl`	Semantic Face Segmentation Using Convolutional Neural Networks With a Supervised Attention Module. IEEE Access Akiyoshi Hizukuri, Yuto Hirata, Ryohei Nakayama
2023	Misc	`conf`	Video Anomaly Detection Using Encoder-Decoder Networks with Video Vision Transformer and Channel Attention Blocks. MVA Shimpei Kobayashi, Akiyoshi Hizukuri, Ryohei Nakayama
2022	—	`conf`	Anomaly Detection for Lung CT Images Using SVDD-AE. GCCE Zhihui Gao, Ryohei Nakayama, Akiyoshi Hizukuri, Kosuke Shibuya, Shoji Kido
2022	—	`conf`	Anomaly Detection for Lung CT image Using Efficient GAN with Learning Stabilizations. SCIS/ISIS Yuto Akita, Ryohei Nakayama, Akiyoshi Hizukuri, Shoji Kido
2022	—	`conf`	Hardware Acceleration of Aggregate Signature Generation and Authentication by BLS Signature over BLS12-381 curve. COOL CHIPS Kaoru Masada, Ryohei Nakayama, Makoto Ikeda
2022	—	`conf`	Semantic Segmentation Method for Tooth Type with Data Augmentation Using Alpha-Blending. SCIS/ISIS Kosuke Shibuya, Kan Murata, Ryohei Nakayama, Akiyoshi Hizukuri
2021	C	`conf`	BN-254 Based Multi-Core, Multi-Pairing Crypto-Processor for Functional Encryption. ISCAS Ryohei Nakayama, Makoto Ikeda
2021	J	`jnl`	Computer-Aided Diagnosis Scheme for Distinguishing Between Benign and Malignant Masses on Breast DCE-MRI Images Using Deep Convolutional Neural Network with Bayesian Optimization. J. Digit. Imaging Akiyoshi Hizukuri, Ryohei Nakayama, Mayumi Nara, Megumi Suzuki, Kiyoshi Namba
2020	J	`jnl`	Improving Image Resolution of Whole-Heart Coronary MRA Using Convolutional Neural Network. J. Digit. Imaging Hiroki Kobayashi, Ryohei Nakayama, Akiyoshi Hizukuri, Masaki Ishida, Kakuya Kitagawa, Hajime Sakuma
2016	J	`jnl`	Computer-Aided Diagnosis Scheme for Distinguishing Between Benign and Malignant Masses in Breast DCE-MRI. J. Digit. Imaging Emi Honda, Ryohei Nakayama, Hitoshi Koyama, Akiyoshi Yamashita
2014	—	`conf`	Potential Usefulness of Presentation of Histological Classifications with Computer-Aided Diagnosis (CAD) Scheme in Differential Diagnosis of Clustered Microcalcifications on Mammograms. Digital Mammography / IWDM Ryohei Nakayama, Kiyoshi Namba, Ryoji Watanabe, Hiroshi Nakahara, Ralph Smathers
2013	J	`jnl`	Computerized Determination Scheme for Histological Classification of Breast Mass Using Objective Features Corresponding to Clinicians' Subjective Impressions on Ultrasonographic Images. J. Digit. Imaging Akiyoshi Hizukuri, Ryohei Nakayama, Yumi Kashikura, Haruhiko Takase, Hiroharu Kawanaka, Tomoko Ogawa, Shinji Tsuruoka
2012	J	`jnl`	Computer-Aided Detection Scheme for Sentinel Lymph Nodes in Lymphoscintigrams using Symmetrical Property Around Mapped Injection Point. J. Digit. Imaging Ryohei Nakayama, Akiyoshi Hizukuri, Koji Yamamoto, Nobuo Nakako, Naoki Nagasawa, Kan Takeda
2012	J	`jnl`	Computerized Segmentation Method for Individual Calcifications Within Clustered Microcalcifications While Maintaining Their Shapes on Magnification Mammograms. J. Digit. Imaging Akiyoshi Hizukuri, Ryohei Nakayama, Nobuo Nakako, Hiroharu Kawanaka, Haruhiko Takase, Koji Yamamoto, Shinji Tsuruoka
2012	—	`conf`	Computerized classification method for histological classifications of masses using objective features based on clinicians' subjective impressions. SCIS&ISIS Akiyoshi Hizukuri, Ryohei Nakayama, Yumi Kashikura, Hiroharu Kawanaka, Haruhiko Takase, Tomoko Ogawa, Shinji Tsuruoka
2011	J	`jnl`	Evaluation of Objective Similarity Measures for Selecting Similar Images of Mammographic Lesions. J. Digit. Imaging Ryohei Nakayama, Hiroyuki Abe, Junji Shiraishi, Kunio Doi
2006	J	`jnl`	Computer-aided diagnosis scheme using a filter bank for detection of microcalcification clusters in mammograms. IEEE Trans. Biomed. Eng. Ryohei Nakayama, Yoshikazu Uchiyama, Koji Yamamoto, Ryoji Watanabe, Kiyoshi Namba
2006	—	`conf`	Potential Usefulness of Multiple-Mammographic Views in Computer-Aided Diagnosis Scheme for Identifying Histological Classification of Clustered Microcalcification. Digital Mammography / IWDM Ryohei Nakayama, Ryoji Watanabe, Kiyoshi Namba, Koji Yamamoto, Kan Takeda, Shigehiko Katsuragawa, Kunio Doi
2005	J	`jnl`	Detection of clustered microcalcifications on mammograms using new filter bank. Syst. Comput. Jpn. Ryohei Nakayama, Yoshikazu Uchiyama, Koji Yamamoto, Ryoji Watanabe, Kiyoshi Namba
2005	J	`jnl`	Development of new filter bank for detection of nodular patterns and linear patterns in medical images. Syst. Comput. Jpn. Ryohei Nakayama, Yoshikazu Uchiyama
2001	—	`conf`	A Pathway from Web to Telephone to Save Patients in Emergency Transfer, Applied to a Long-term-care System for High-risk Pregnancy in Mie Prefecture. MedInfo Koji Yamamoto, Takahiro Takada, Keiji Nakai, Hirotomo Nagaoka, Ryohei Nakayama, Darei Chi