Published Papers - NAKACHI Takayuki

A Defense Against Model Extraction Attacks on Sparse Modeling

Takayuki Nakachi

The 34th European Signal Processing Conference (EUSIPCO 2026)     2026.09 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

Fingerprint Adaptation for mmWave Vehicular Communications based on Trajectory Prediction

Guangchen Zhang, Xuying Zhou, Yitu Wang, Takayuki Nakachi, Wei Wang, Juinjei Liou

IEEE Internet of Things Journal ( IEEE )  12 ( 11 ) 18070 - 18085   2025.06 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Adaptive Task Offloading for Mobile Edge Computing With Forecast Information

Yitu Wang; Mengxue Kong; Guangchen Zhang; Wei Wang; Takayuki Nakachi; Juinjei Liou

IEEE Transactions on Vehicular Technology ( IEEE )  74 ( 3 ) 4132 - 4147   2025.03 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Content Caching Oriented Popularity Forecast and User Clustering

Yitu Wang, Qi Chen , Wei Wang , Takayuki Nakachi , Guangchen Zhang , Juinjei Liou

IEEE Internet of Things Journal ( IEEE )  11 ( 23 ) 38425 - 38440   2024.12 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Privacy-Preserving Resource Management for Distributed Collaborative Edge Caching Systems

Qi Chen, Yitu Wang, Wei Wang, Takayuki Nakachi, Zhaoyang Zhang

IEEE Internet of Things Journal ( IEEE )  11 ( 21 ) 34296 - 34311   2024.11 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Stochastic Resource Allocation and Delay Analysis for Mobile Edge Computing Systems

Yitu Wang, Wei Wang, Vincent K. N. Lau, Takayuki Nakachi, Zhaoyang Zhang

IEEE Transactions on Communications ( IEEE )  71 ( 7 ) 4018 - 4033   2023.07 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Privacy Protection in JPEG XS: A Lightweight Spatio-Color Scrambling Approach

Takayuki Nakachi, Yasuhisa Kato, Mitsuru Maruyama

International Journal of Advanced Computer Science and Applications (IJACSA) ( The Science and Information (SAI) Organization )  16 ( 3 )   2025.03 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Pattern Discovery and Multi-slot-ahead Forecast of Network Traffic: A Revisiting to Gaussian Process

Yitu Wang, Takayuki Nakachi, Wei Wang

IEEE Transactions on Network and Service Management   20 ( 2 ) 1691 - 1706   2022.10 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Federated Gaussian Process Regression with Orthogonal Feature Encryption and Key-Based Access Control

Md. Rashedul Islam, Jannatul Ferdous Akhi, Takayuki Nakachi

International Journal of Advanced Computer Science and Applications (IJACSA)   17 ( 3 )   2026.03 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Designing Privacy-Latency Trade-offs for JPEG XS EtC in the DWT Domain

Takayuki Nakachi, Park Cheolhwan, Yasuhisa Kato, Mitsuru Maruyama

RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'26) ( RISP )    2026.02 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

DWT Domain Precinct-wise Scrambling for Encryption-then-Compression with JPEG XS

Takayuki Nakachi, Park Cheolhwan, Yasuhisa Kato, Mitsuru Maruyama

IEEE International Symposium on Multimedia (ISM 2025) ( IEEE )    2025.12 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

Secure Sparse Inpainting via Permutation-based Encryption for Image Reconstruction

Itsuki Arakaki, Tadashi Shiroma, Morikazu Nakamura, Takayuki Nakachi

International Conference on Emerging Technologies for Communications (IEICE ICETC 2025)     2025.11 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

On Maximizing the Utility of Channel Forecast for Computation Offloading

Yitu Wang,Aixing Wang,Xuying Zhou,Wei Wang,Takayuki Nakachi,Juinjei Liou

IEEE Vehicular Technology Conference (VTC2025-Fall) ( IEEE )    2025.10 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

Selective Feature Encryption for Secure Gaussian Process Regression

Jannatul Ferdous Akhi, Md. Rashedul Islam, Takayuki Nakachi

IEEE International Conference on Information Management and Engineering (ICIME 2025) ( IEEE )    2025.09 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

Sparse Multi-output Gaussian Processes with Smoothed Residuals for Robust Anomaly Detection in Multivariate Network Traffic

Shude Chen, Takayuki Nakachi

IEEE International Conference on Information Communication and Signal Processing (ICICSP 2025) ( IEEE )    2025.09 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

A Privacy-Preserving Gaussian Process Regression Framework Against Membership Inference Attacks Using Random Unitary Transformation

Md. Rashedul Islam, Jannatul Ferdous Akhi, Takayuki Nakachi

International Journal of Advanced Computer Science and Applications (IJACSA)   16 ( 8 )   2025.08 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Multi-Channel Gaussian Process Regression for Network Traffic Anomaly Detection via Inter-Channel Correlation

Shude Chen, Takayuki Nakachi

International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2025)     2025.07 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

Integrating Gaussian Process Regression and Correlated Signal Analysis for Anomaly Detection in Network Traffic

Shude Chen, Takayuki Nakachi

International Journal of Computer Science and Network Security (IJCSNS)   25 ( 7 ) 17 - 29   2025.07 [ Peer Review Accepted ]

Type of publication: Research paper (scientific journal)

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Content Caching-oriented Popularity Forecast Algorithm Design

Qi Chen, Wenze Gao, Takayuki Nakachi, Yitu Wang, Juinjei Liou

IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC2025) ( IEEE )    2025.06 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)

Energy Efficient Scheduling with Forecast Information

Xuying Zhou, Bijiao Yang, Takayuki Nakachi, Yitu Wang, Juinjei Liou

IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC2025) ( IEEE )    2025.06 [ Peer Review Accepted ]

Type of publication: Research paper (international conference proceedings)