Quantum annealing-based sum rate maximization for multi-UAV-aided wireless networks Seon-Geun Jeong, Pham Dang Anh Duc, Quang Vinh Do, Dae-Il Noh, Nguyen Xuan Tung, Trinh Van Chien, Quoc-Viet Pham, Mikio Hasegawa, Hiroo Sekiya, Won-Joo Hwang IEEE Internet of Things Journal, 2025(Early Access), Apr. 2025. [Abstract | pdf] Enhancing sparse mobile crowdsensing with manifold optimization and differential privacy Chengxin Li, Saiqin Long, Haolin Liu, Youngjune Choi, Hiroo Sekiya, and Zhetao Li IEEE Transactions on Information Forensics and Security, vol.19, pp.6070-6083, June 2024. [Abstract | pdf] Hybrid quantum convolutional neural networks for UWB signal classification Seon-Geun Jeong, Quang-Vinh Do, Hae-Ji Hwang, Mikio Hasegawa, Hiroo Sekiya, and Won-Joo Hwang IEEE Access, vol. 11, pp.113726-113739, Oct. 2023. [Abstract | pdf] Mental-state estimation model with time-series environmental data regarding cognitive function Isao Kurebayashi, Koshiro Maeda, Nobuyoshi Komuro, Keita Hirai, HiroonSekiya, and Makoto Ichikawa Internet of Things, vol.vol 22, July 2023. [Abstract | pdf] Signal preprocessing technique with noise-tolerant for RF-based UAV signal classification Dae-Il Noh, Seon-Geun Jeong, Huu-Trung Hoang, Quoc-Viet Pham, Thien Huynh-The, Mikio Hasegawa, Hiroo Sekiya, Sun-Young Kwon, Sang-Hwa Chung, and Won-Joo Hwang, IEEE Access, vol.10, pp.134785-134798, Oct. 2022. [Abstract | pdf] Feature optimization approach for improving the collaborative filtering performance using particle swarm optimization Amira Abdelwahab, Hiroo Sekiya, Ikuo Matsuba, Yasuo Horiuchi, Shingo Kuroiwa Journal of Computational Information Systems, vol.8, no.1, p.435–450, Jan. 2012. [Abstract | pdf] Alleviating the sparsity problem of collaborative filtering using an efficient iterative clustered prediction technique Amira Abdelwahab, Hiroo Sekiya, Ikuo Matsuba, Yasuo Horiuchi, and Shingo Kuroiwa International Journal of Information Technology and Decision Making (IJITDM), vol.11, no.1, pp.33-53, Jan. 2012. [Abstract | pdf] Mixed noise removal for images using the FINDRM with the directional difference and the BSF in the dual-tree complex wavelet transform domain (in Japanese) Song Li, Shingo Kuroiwa, Hiroo Sekiya, Yeqiu Li, Caizhu Wang, and Shiro Sakata IEEJ Transactions on Electronics, Information and Systems, vol.130, no.5, pp.863-872, 2010. [Abstract | pdf] A new framework of removing salt and pepper impulse noise for the noisy image including many noise-free white and black pixels Song Li, Caizhu Wang, Yeqiu Li, Ling Wang, Shiro Sakata, Hiroo Sekiya, and Shingo Kuroiwa IEEJ Transactions on Electronics, Infomation and Systems, vol.129, no.7, pp.1427-1434, July 2009. [Abstract | pdf]

Design of Indoor Occupancy Estimation System with Wireless Brain-Inspired Computing Platform Ryuji Nagazawa, Haruto Ota, Kien Nguyen, Won-Joo Hwang, Hiroyuki Torikai, Mikio Hasegawa, Hiroo Sekiya The 19th Annual IEEE International Systems Conference, Apr. 2025. [Abstract | pdf] SNN Modeling of Cricket Auditory Network with Izhikevich Model Optimized by PSO Jiaying Lin, Ryuji Nagazawa, Koichi Tokunaga, Kien Nguyen, Hiroyuki Torikai, Won-Joo Hwang, and Hiroo Sekiya IEEE International Symposium on Circuits and Systems (ISCAS2024), May 2024. [Abstract | pdf] Simple Function Learning Using SNN Jiaying Lin, Ryuji Nagazawa, Kien Nguyen, Hiroyuki Torikai, Mikio Hasegawa, Hiroo Sekiya NCN, Dec. 2023., Dec. 2023. [Abstract | pdf] Performance Enhancement of Occupancy Estimation through Spike-Based Reservoir Haruto Ota, Ryuji Nagazawa, Jiaying Lin, Kien Nguyen and Hiroo Sekiya NCN, Nov. 2023. [Abstract | pdf] Pavlovian Conditioning Modeling Using Wireless Spiking Neural Network Jiaying Lin, Ryuji Nagazawa, Kien Nguyen, Mikio Hasegawa, Hiroyuki Torikai, Won-Joo Hwang, and Hiroo Sekiya 2023 20th International SoC Design Conference (ISOCC), pp. 163?164, IEEE, 2023., Oct. 2023. [Abstract | pdf] An efficient collaborative filtering algorithm using SVD-free latent semantic indexing and particle swarm optimization Amira Abdelwahab, Hiroo Sekiya, Ikuo Matsuba, Yasuo Horiuchi, Shingo Kuroiwa, and Masafumi Nishida 2009 International Conference on Natural Language Processing and Knowledge Engineering (NLP-KE2009) , pp.1-4 , Sept. 2009. [Abstract | pdf] Spatial data compression techniques for GML Yuzhen Li,Takashi Imaizumi, Shiro Sakata, Jihong Guan and Hiroo Sekiya The 2008 Japan-China Joint Workshop on Frontier of Computer Science and Technology (FCST2008), pp.27-28, Dec. 2008. [Abstract | pdf] Motion segmentation based on a new genetic algorithm Yuzhen Li , Mingying Fan, Ghoneim Mohamed, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2007 RISP International Workshop on Nonlinear Circuits and Signal Processing (NCSP2007), pp.543-546, Mar. 2007. [Abstract | pdf] Use minimum graph cut based on hybrid algorithm for motion segmentation Yuzhen Li, Jinming Lu, Mohamed Ghoneim, Takashi Yahagi, and Hiroo Sekiya 2006 IEEE International Symposium On Intelligent Signal Processing and Communication Systems (ISPACS2006), pp.427-430, Dec. 2006. [Abstract | pdf] Post-processing for restoring edges and removing artifacts of low bit rates wavelet-based image Du Ke, Jianming Lu, Hiroo Sekiya, Yan Sun, and Takashi Yahagi 2006 IEEE International Symposium On Intelligent Signal Processing and Communication Systems (ISPACS2006), pp.943-946, Dec. 2006. [Abstract | pdf] A design method of parallel RLS second-order adaptive volterra filter Xueqin Zhao, Jianming Lu, and Takashi Yahagi 2005 RISP International Workshop on Nonlinear Circuit and Signal Processing (NCSP2005), pp.53-58, Mar. 2005. [Abstract | pdf] A design method of noise canceller using parallel fast RLS second-order AVF Xueqin Zhao, Jianming Lu, and Takashi Yahagi 2005 RISP International Workshop on Nonlinear Circuit and Signal Processing (NCSP2005), pp.81-83, Mar. 2005. [Abstract | pdf] Combining RNN equalizer with SOM detector Xiaoqiu Wang, Jianming Lu, Hua Lin, Nuo Zhang, Hiroo Sekiya, and Takashi Yahagi 2002 6th International Conference on Signal Processing, pp.1291-1294, Aug. 2002. [Abstract | pdf]

Performance Enhancement of Occupancy Estimation through Spike-Based Reservoir Haruto Ota, Ryuji Nagazawa, Jiaying Lin, Kien Nguyen and Hiroo Sekiya NCN2023 IEEE Workshop on Nonlinear Circuit Networks, Dec. 2023. [Abstract | pdf] Bain-Inspired Computing and Implementation Example Using APCMA Wireless Communication (in Japanese) Hiroo Sekiya IEICE, vol.123, no.314, WBS2023-56, pp.144-149, Dec. 2023. [Abstract | pdf] Research and Development Overview of Cooperative Wire-Free Robots (in Japanese) Satoru Shimizu, Masazumi Ueba, Hiroo Sekiya, Akihiro Miyasaka IEICE, vol.122, no.401, SRW2022-51,, pp.43-46,, Mar. 2023. [Abstract | pdf] Wireless Spiking Neural Networks and Its FPGA Implementation (in Japanese) Hiroo Sekiya, Kien Nguyen, Hiroyuki Torikai IEICE Tech. Rep, Oct. 2021. [Abstract | pdf]