Takayuki Nakachi

87 papers B 4C 6Misc 6Journal 33Unranked 38
YearRankTypeTitle / Venue / Authors
2025 J jnl
Adaptive Task Offloading for Mobile Edge Computing With Forecast Information.
IEEE Trans. Veh. Technol.
Yitu Wang, Mengxue Kong, Guangchen Zhang, Wei Wang, Takayuki Nakachi, Juinjei Liou
2025 C conf
DWT Domain Precinct-Wise Scrambling for Encryption-then-Compression with JPEG XS.
ISM
Takayuki Nakachi, Park Cheolhwan, Yasuhisa Kato, Mitsuru Maruyama
2025 J jnl
Distributed and Secured Gaussian Process Learning over Networks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ling Zhu, Takayuki Nakachi, Bai Zhang, Yitu Wang
2025 J jnl
Fingerprint Adaptation for mmWave Vehicular Communications Based on Trajectory Prediction.
IEEE Internet Things J.
Guangchen Zhang, Xuying Zhou, Yitu Wang, Takayuki Nakachi, Wei Wang, Juinjei Liou
2025 J jnl
Foreword.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takayuki Nakachi, Naoto Sasaoka
2025 — conf
On Maximizing the Utility of Channel Forecast for Computation Offloading.
VTC2025-Fall
Yitu Wang, Aixing Wang, Xuying Zhou, Wei Wang, Takayuki Nakachi, Juinjei Liou
2025 J jnl
Privacy Preserving Deep Unrolling Methods and Its Application to Image Reconstruction.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Nichika Yuge, Hiroyuki Ishihara, Morikazu Nakamura, Takayuki Nakachi
2024 — conf
A Lightweight Spatio-Color Scrambled EtC System for JPEG XS Standard.
ICICT
Takayuki Nakachi, Hiroyuki Kimiyama, Mitsuru Maruyama
2024 J jnl
Content-Caching-Oriented Popularity Forecast and User Clustering.
IEEE Internet Things J.
Yitu Wang, Qi Chen, Wei Wang, Takayuki Nakachi, Guangchen Zhang, Juinjei Liou
2024 — conf
Multi-objective Quantum Optimization based on Bayesian Approach for Computing Resource Assignment Problems.
CANDARW
Toyoki Kosuda, Morikazu Nakamura, Tadashi Shiroma, Takayuki Nakachi
2024 J jnl
Network Traffic Anomaly Detection: A Revisiting to Gaussian Process and Sparse Representation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yitu Wang, Takayuki Nakachi
2024 — conf
Petri net-based QUBO Model Formulation for Multi-Resource Flow-Shop Scheduling Problems.
CANDARW
Ryota Uechi, Morikazu Nakamura, Tadashi Shiroma, Takayuki Nakachi
2024 J jnl
Privacy-Preserving Resource Management for Distributed Collaborative Edge Caching Systems.
IEEE Internet Things J.
Qi Chen, Yitu Wang, Wei Wang, Takayuki Nakachi, Zhaoyang Zhang
2024 — conf
Privacy-preserving Bayesian Inference for Deep Gaussian Processes.
ISPACS
Takayuki Nakachi, Yitu Wang
2024 — conf
Privacy-preserving Bayesian Inference for Sparse Gaussian Processes.
ICAAI
Takayuki Nakachi
2023 B conf
A Light-weight Online Learning Framework for Network Traffic Abnormality Detection.
WCNC
Yitu Wang, Runqi Dong, Takayuki Nakachi, Wei Wang
2023 J jnl
Pattern Discovery and Multi-Slot-Ahead Forecast of Network Traffic: A Revisiting to Gaussian Process.
IEEE Trans. Netw. Serv. Manag.
Yitu Wang, Takayuki Nakachi, Wei Wang
2023 — conf
Privacy-preserving Gaussian Process Latent Variable Model for Dimensional Reduction.
ISCIT
Takayuki Nakachi, Yitu Wang
2023 J jnl
Stochastic Resource Allocation and Delay Analysis for Mobile Edge Computing Systems.
IEEE Trans. Commun.
Yitu Wang, Wei Wang, Vincent K. N. Lau, Takayuki Nakachi, Zhaoyang Zhang
2022 Misc conf
Access Control for Privacy-Preserving Gaussian Process Regression.
ICASSP
Takayuki Nakachi, Yitu Wang
2022 — conf
Lightweight Scrambled JPEG XS Coding for Privacy Protection.
ISPACS
Takayuki Nakachi, Hiroyuki Kimiyama, Mitsuru Maruyama
2022 — conf
Proposal of ultra-high-resolution video delivery system in edge-cloud environment.
ICCE-TW
Hiroyuki Kimiyama, Takayuki Nakachi, Kouta Aoki, Yasuhisa Kato, Hajime Iwata, Katsuhiro Sebayashi, Mitsuru Maruyama
2021 B conf
Adaptive Multi-slot-ahead Prediction of Network Traffic with Gaussian Process.
GLOBECOM
Yitu Wang, Takayuki Nakachi, Takeru Inoue, Toru Mano
2021 B conf
Correlation Discovery and Channel Prediction in Mobile Networks: A Revisiting to Gaussian Process.
GLOBECOM
Yitu Wang, Takayuki Nakachi, Takeru Inoue, Toru Mano, Riichi Kudo
2021 — conf
Designing Secure Sparse Coding via Multiple Random Unitary Transforms.
ISPACS
Takayuki Nakachi, Yukihiro Bandoh
2021 — conf
Secure Computation of Gaussian Process Regression for Data Analysis.
EUSIPCO
Takayuki Nakachi, Yitu Wang
2020 J jnl
A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks.
IEEE Access
Yitu Wang, Takayuki Nakachi
2020 J jnl
A Privacy-Preserving Machine Learning Scheme Using EtC Images.
CoRR
Ayana Kawamura, Yuma Kinoshita, Takayuki Nakachi, Sayaka Shiota, Hitoshi Kiya
2020 J jnl
A Privacy-Preserving Machine Learning Scheme Using EtC Images.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ayana Kawamura, Yuma Kinoshita, Takayuki Nakachi, Sayaka Shiota, Hitoshi Kiya
2020 J jnl
An MMT-Based Hierarchical Transmission Module for 4K/120fps Temporally Scalable Video.
IEICE Trans. Inf. Syst.
Yasuhiro Mochida, Takayuki Nakachi, Takahiro Yamaguchi
2020 J jnl
Distributed Secure Sparse Modeling Based on Random Unitary Transform.
IEEE Access
Yukihiro Bandoh, Takayuki Nakachi, Hitoshi Kiya
2020 J jnl
L0 Norm Optimization in Scrambled Sparse Representation Domain and Its Application to EtC System.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takayuki Nakachi, Hitoshi Kiya
2020 — conf
Light-weight Machine Learning for mmWave Vehicular Communications.
VTC Fall
Yitu Wang, Takayuki Nakachi
2020 J jnl
Prediction of Network Traffic Through Light-Weight Machine Learning.
IEEE Open J. Commun. Soc.
Yitu Wang, Takayuki Nakachi
2020 Misc conf
Privacy-Preserving Pattern Recognition Using Encrypted Sparse Representations in L0 Norm Minimization.
ICASSP
Takayuki Nakachi, Yitu Wang, Hitoshi Kiya
2020 Misc conf
Secure Face Recognition in Edge and Cloud Networks: From the Ensemble Learning Perspective.
ICASSP
Yitu Wang, Takayuki Nakachi
2020 J jnl
Secure OMP Computation Maintaining Sparse Representations and Its Application to EtC Systems.
IEICE Trans. Inf. Syst.
Takayuki Nakachi, Hitoshi Kiya
2020 J jnl
Secure Overcomplete Dictionary Learning for Sparse Representation.
IEICE Trans. Inf. Syst.
Takayuki Nakachi, Yukihiro Bandoh, Hitoshi Kiya
2020 Misc conf
Sparse Modeling on Distributed Encryption Data.
ICASSP
Yukihiro Bandoh, Takayuki Nakachi, Hitoshi Kiya
2020 — conf
The Learning and Prediction of Network Traffic: A Revisiting to Sparse Representation.
ICC
Yitu Wang, Takayuki Nakachi
2019 C conf
An MMT Module for 4K/120fps Temporally Scalable Video.
ISCAS
Yasuhiro Mochida, Takayuki Nakachi, Takahiro Yamaguchi, Takayuki Onishi, Ken Nakamura
2019 — conf
Edge and Cloud-aided Secure Sparse Representation for Face Recognition.
EUSIPCO
Yitu Wang, Takayuki Nakachi, Hiroyuki Ishihara
2019 J jnl
Privacy-Preserving Support Vector Machine Computing Using Random Unitary Transformation.
CoRR
Takahiro Maekawa, Ayana Kawamura, Takayuki Nakachi, Hitoshi Kiya
2019 J jnl
Privacy-Preserving Support Vector Machine Computing Using Random Unitary Transformation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takahiro Maekawa, Ayana Kawamura, Takayuki Nakachi, Hitoshi Kiya
2019 — conf
Secure Dictionary Learning for Sparse Representation.
EUSIPCO
Takayuki Nakachi, Yukihiro Bandoh, Hitoshi Kiya
2019 — conf
Secure Sparse Representations in L0 Norm Minimization and Its Application to EtC Systems.
ICSPCS
Takayuki Nakachi, Hitoshi Kiya
2018 — conf
Privacy-Preserving Network BMI Decoding of Covert Spatial Attention.
ICSPCS
Takayuki Nakachi, Hiroyuki Ishihara, Hitoshi Kiya
2018 — conf
Privacy-Preserving SVM Computing by Using Random Unitary Transformation.
ISPACS
Takahiro Maekawa, Takayuki Nakachi, Sayaka Shiota, Hitoshi Kiya
2018 J jnl
Privacy-Preserving SVM Computing by Using Random Unitary Transformation.
CoRR
Takahiro Maekawa, Takayuki Nakachi, Sayaka Shiota, Hitoshi Kiya
2017 — conf
Slepian-Wolf video coding with resolution-progressive transmission.
ISPACS
Takayuki Nakachi, Shinya Ishihara
2016 J jnl
Foreword.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takayuki Nakachi, Makoto Nakashizuka
2016 — conf
Irregular flat XOR codes for reducing repair bandwidth of multi-point distributed storage systems.
ICC
Yui Yoshida, Takayuki Nakachi, Daisuke Shirai, Tatsuya Fujii
2016 — conf
Rate-adaptive FF-LDGM code with selective inter-leaving scheme.
ISPACS
Takayuki Nakachi, Tatsuya Fujii
2015 — conf
A Failure-Tolerant and Spectrum-Efficient Wireless Data Center Network Design for Improving Performance of Big Data Mining.
VTC Spring
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Toshikazu Sakano, Atsushi Takahara
2015 — conf
Layered lossless video coding based on Slepian-Wolf theorem.
ISPACS
Takayuki Nakachi, Tatsuya Fujii
2015 — conf
Robust UHD video transmission using MMT FireFort-LDGM code.
ICME Workshops
Takayuki Nakachi, Yoshihide Tonomura, Daisuke Shirai, Takahiro Yamaguchi, Tatsuya Fujii
2014 Misc conf
An overlay network construction technique for minimizing the impact of physical network disruption in cloud storage systems.
ICNC
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara
2014 — conf
MMT AL-FEC codes for networked distributed storage.
ISPACS
Takayuki Nakachi, Atsushi Okada, Tatsuya Fujii
2014 J jnl
Toward integrating overlay and physical networks for robust parallel processing architecture.
IEEE Netw.
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara
2013 — conf
A conceptual foundation of NSCW transport design using an MMT standard.
ICSPCS
Takayuki Nakachi, Yoshihide Tonomura, Tatsuya Fujii
2013 J jnl
Digital Cinema and Super-High-Definition Content Distribution on Optical High-Speed Networks.
Proc. IEEE
Tatsuya Fujii, Daisuke Shirai, Yoshihide Tonomura, Masahiko Kitamura, Takayuki Nakachi, Tomoko Sawabe, Masanori Ogawara, Takahiro Yamaguchi, Mitsuru Nomura, Kazuhiro Shirakawa
2013 J jnl
THUP: A P2P Network Robust to Churn and DoS Attack Based on Bimodal Degree Distribution.
IEEE J. Sel. Areas Commun.
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara
2012 — conf
Efficient image interpolation by associating 2nd order local structure and data-adaptive kernel regression.
ISPACS
Ryotaro Nakamura, Takayuki Nakachi, Nozomu Hamada
2012 — conf
Highly realistic collaboration system by using 4K multi JPEG2000 codecs and 6-channel acoustic echo canceller.
ISPACS
Sunyong Kim, Takayuki Nakachi, Tatsuya Fujii, Satoru Emura, Yoichi Haneda
2012 J jnl
Layered Multicast Encryption of Motion JPEG2000 Code Streams for Flexible Access Control.
IEICE Trans. Inf. Syst.
Takayuki Nakachi, Kan Toyoshima, Yoshihide Tonomura, Tatsuya Fujii
2011 — conf
Coding efficiency improvement on distributed video coding utilizing super resolution approach.
ISPACS
Ryo Miyazawa, Shinobu Kudoh, Takayuki Nakachi, Nozomu Hamada
2011 — conf
Distributed source coding: Theorem and its application to video coding.
ISPACS
Takayuki Nakachi
2011 — conf
Low-Density Generator Matrix Codes for IP Packet Video Streaming with Backward Compatibility.
ICC
Yoshihide Tonomura, Daisuke Shirai, Masahiko Kitamura, Takayuki Nakachi, Tatsuya Fujii, Hitoshi Kiya
2010 B conf
Color-component bit allocation scheme for JPEG 2000 parallel codec.
ICIP
Yoshihide Tonomura, Takayuki Nakachi, Daisuke Shirai, Tatsuya Fujii, Hitoshi Kiya
2009 J jnl
Layered Low-Density Generator Matrix Codes for Super High Definition Scalable Video Coding System.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yoshihide Tonomura, Daisuke Shirai, Takayuki Nakachi, Tatsuya Fujii, Hitoshi Kiya
2009 J jnl
Parallel Processing of Distributed Video Coding to Reduce Decoding Time.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yoshihide Tonomura, Takayuki Nakachi, Tatsuya Fujii, Hitoshi Kiya
2008 Misc conf
Efficient index assignment by improved bit probability estimation for parallel processing of distributed video coding.
ICASSP
Yoshihide Tonomura, Takayuki Nakachi, Tatsuya Fujii
2007 J jnl
Distributed Video Coding Using JPEG 2000 Coding Scheme.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yoshihide Tonomura, Takayuki Nakachi, Tetsuro Fujii
2007 — conf
Flicker Suppression in JPEG2000 using Segmentation-Based Adjustment of Block Truncation Lengths.
ICASSP (1)
Athanasios Leontaris, Yoshihide Tonomura, Takayuki Nakachi, Pamela C. Cosman
2006 — conf
A New Framework for Distributed Video Coding Based on JPEG 2000.
ICASSP (3)
Yoshihide Tonomura, Takayuki Nakachi
2006 J jnl
A Study on Non-octave Scalable Image Coding and Its Performance Evaluation Using Digital Cinema Test Material.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takayuki Nakachi, Tomoko Sawabe, Junji Suzuki, Tetsuro Fujii
2006 J jnl
Extended Multiresolution Lossless Video Coding Using In-Band Spatio-Temporal Prediction.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takayuki Nakachi, Tomoko Sawabe, Tetsuro Fujii
2006 C conf
Optimal Bit Allocation for Wavelet-Based Distributed Video Coding.
ISM
Yoshihide Tonomura, Daisuke Shirai, Takayuki Nakachi, Tetsuro Fujii
2006 — conf
Rate Control for Flicker Artifact Suppression in Motion JPEG2000.
ICASSP (2)
Athanasios Leontaris, Yoshihide Tonomura, Takayuki Nakachi
2005 — conf
A Study on Non-octave Scalable Coding using Motion Compensated Inter-frame Wavelet Transform.
ICASSP (2)
Takayuki Nakachi, Tetsuro Fujii
2004 — conf
A study on non-octave resolution conversion based on JPEG2000 extensions.
ICASSP (3)
Takayuki Nakachi, Tomoko Sawabe, Junji Suzuki, Tetsuro Fujii
2003 C conf
A study on multiresolution lossless video coding using inter/intra frame adaptive prediction.
VCIP
Takayuki Nakachi, Tomoko Sawabe, Tetsuro Fujii
2002 J jnl
Multiresolution Lossless Video Coding Using Inter/Intra Frame Adaptive Prediction.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takayuki Nakachi, Tomoko Sawabe, Tatsuya Fujii, Tetsurou Fujii
2000 C conf
Unified lossless and near-lossless color image coding based on adaptive quantization.
ISCAS
Takayuki Nakachi, Tatsuya Fujii
1999 — conf
Lossless and Near-Lossless Compressions of Still Color Images.
ICIP (1)
Takayuki Nakachi, Tatsuya Fujii, Junji Suzuki
1996 — conf
Convergence behavior of two-dimensional least-squares lattice algorithm.
EUSIPCO
Takayuki Nakachi, Katsumi Yamashita, Nozomu Hamada
1995 C conf
The AR Modeling of Two-Dimensional Fields by Extended Lattice Filter.
ISCAS
Takayuki Nakachi, Nozomu Hamada, Katsumi Yamashita