High speed rough classification for handwritten characters using hierarchical learning vector quantization. - Yuji Waizumi; Nei Kato; Kazuki Saruta; Yoshiaki Nemoto (ICDAR, 1997)

Detecting and Tracing DDoS Attacks in the Traffic Analysis Using Auto Regressive Model. - Yuichi Uchiyama; Yuji Waizumi; Nei Kato; Yoshiaki Nemoto (IEICE Trans. Inf. Syst., 2004)

A New Network Anomaly Detection Technique Based on Per-Flow and Per-Service Statistics. - Yuji Waizumi; Daisuke Kudo; Nei Kato; Yoshiaki Nemoto (CIS (2), 2005)

Differencing Worm Flows and Normal Flows for Automatic Generation of Worm Signatures. - Kumar Simkhada; Hiroshi Tsunoda; Yuji Waizumi; Yoshiaki Nemoto (ISM, 2005)

A Multi-level Security Based Autonomic Parameter Selection Approach for an Effective and Early Detection of Internet Worms. - Kumar Simkhada; Tarik Taleb; Yuji Waizumi; Abbas Jamalipour; Kazuo Hashimoto; Nei Kato; Yoshiaki Nemoto (GLOBECOM, 2006)

An Efficient Signature-Based Approach for Automatic Detection of Internet Worms over Large-Scale Networks. - Kumar Simkhada; Tarik Taleb; Yuji Waizumi; Abbas Jamalipour; Nei Kato; Yoshiaki Nemoto (ICC, 2006)

Distributed Early Worm Detection Based on Payload Histograms. - Yuji Waizumi; Masashi Tsuji; Hiroshi Tsunoda; Nirwan Ansari; Yoshiaki Nemoto (ICC, 2007)

A Low Cost Worm Detection Technique based on Flow Payload Similarity. - Youhei Suzuki; Yuji Waizumi; Hiroshi Tsunoda; Yoshiaki Nemoto (WEBIST (1), 2007)

A Network-based Anomaly Detection System using Multiple Network Features. - Yuji Waizumi; Yohei Sato; Yoshiaki Nemoto (WEBIST (1), 2007)

Discrimination of similar characters with a nonlinear compound discriminant function. - Hitoshi Suzuki; Yuji Waizumi; Nei Kato; Yoshiaki Nemoto (Syst. Comput. Jpn., 2007)

A Reliable Network Identification Method Based on Transition Pattern of Payload Length. - Shinnosuke Yagi; Yuji Waizumi; Hiroshi Tsunoda; Yoshiaki Nemoto (GLOBECOM, 2008)

Detecting Pulsing Denial-of-Service Attacks Based on the Bandwidth Usage Condition. - Hiroshi Tsunoda; Kenjirou Arai; Yuji Waizumi; Nirwan Ansari; Yoshiaki Nemoto (ICC, 2008)

Network Application Identification Using Transition Pattern of Payload Length. - Shinnosuke Yagi; Yuji Waizumi; Hiroshi Tsunoda; Abbas Jamalipour; Nei Kato; Yoshiaki Nemoto (WCNC, 2008)

Detecting DRDoS attacks by a simple response packet confirmation mechanism. - Hiroshi Tsunoda; Kohei Ohta; Atsunori Yamamoto; Nirwan Ansari; Yuji Waizumi; Yoshiaki Nemoto (Comput. Commun., 2008)

A Prioritized Retransmission Mechanism for Reliable and Efficient Delivery of Syslog Messages. - Hiroshi Tsunoda; Takafumi Maruyama; Kohei Ohta; Yuji Waizumi; Glenn Mansfield Keeni; Yoshiaki Nemoto (CNSR, 2009)

Combating against internet worms in large-scale networks: an autonomic signature-based solution. - Kumar Simkhada; Tarik Taleb; Yuji Waizumi; Abbas Jamalipour; Yoshiaki Nemoto (Secur. Commun. Networks, 2009)

Development of a WLAN based monitoring system for group activity measurement in real-time. - Hiroshi Tsunoda; Hidehisa Nakayama; Kohei Ohta; Akihiro Suzuki; Hiroki Nishiyama 001; Ryoichi Nagatomi; Kazuo Hashimoto; Yuji Waizumi; Glenn Mansfield Keeni; Yoshiaki Nemoto (J. Commun. Networks, 2011)

Composite likelihood estimation for restricted Boltzmann machines. - Muneki Yasuda; Shun Kataoka; Yuji Waizumi; Kazuyuki Tanaka (ICPR, 2012)

A Multi-Stage Network Anomaly Detection Method for Improving Efficiency and Accuracy. - Yuji Waizumi; Hiroshi Tsunoda; Masashi Tsuji; Yoshiaki Nemoto (J. Information Security, 2012)

Bayesian image segmentations by Potts prior and loopy belief propagation. - Kazuyuki Tanaka; Shun Kataoka; Muneki Yasuda; Yuji Waizumi; Chiou-Ting Hsu (CoRR, 2014)

Retinex-based signal enhancement for image dark regions. - Hirotaka Tanaka; Yuji Waizumi; Tadashi Kasezawa (ICSIPA, 2017)

On-Demand Color Calibration for Pedestrian Tracking in Nonoverlapping Fields of View. - Yuji Waizumi; Masako Omachi; Kazuyuki Tanaka (IEEE Internet Things J., 2017)