Takayuki Nakachi

According to our database, Takayuki Nakachi authored at least 71 papers between 1995 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Network Traffic Anomaly Detection: A Revisiting to Gaussian Process and Sparse Representation.

Yitu Wang, Takayuki Nakachi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., January, 2024

A Lightweight Spatio-Color Scrambled EtC System for JPEG XS Standard.

Takayuki Nakachi, Hiroyuki Kimiyama, Mitsuru Maruyama

Proceedings of the 7th International Conference on Information and Computer Technologies, 2024

2023

Stochastic Resource Allocation and Delay Analysis for Mobile Edge Computing Systems.

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

IEEE Trans. Commun., July, 2023

Pattern Discovery and Multi-Slot-Ahead Forecast of Network Traffic: A Revisiting to Gaussian Process.

Yitu Wang, Takayuki Nakachi, Wei Wang

IEEE Trans. Netw. Serv. Manag., June, 2023

A Light-weight Online Learning Framework for Network Traffic Abnormality Detection.

Yitu Wang, Runqi Dong, Takayuki Nakachi, Wei Wang

Proceedings of the IEEE Wireless Communications and Networking Conference, 2023

Privacy-preserving Gaussian Process Latent Variable Model for Dimensional Reduction.

Takayuki Nakachi, Yitu Wang

Proceedings of the 22nd International Symposium on Communications and Information Technologies, 2023

2022

Lightweight Scrambled JPEG XS Coding for Privacy Protection.

Takayuki Nakachi, Hiroyuki Kimiyama, Mitsuru Maruyama

Proceedings of the International Symposium on Intelligent Signal Processing and Communication Systems, 2022

Proposal of ultra-high-resolution video delivery system in edge-cloud environment.

Hiroyuki Kimiyama, Takayuki Nakachi, Kouta Aoki, Yasuhisa Kato, Hajime Iwata, Katsuhiro Sebayashi, Mitsuru Maruyama

Proceedings of the IEEE International Conference on Consumer Electronics - Taiwan, 2022

Access Control for Privacy-Preserving Gaussian Process Regression.

Takayuki Nakachi, Yitu Wang

Proceedings of the IEEE International Conference on Acoustics, 2022

2021

Designing Secure Sparse Coding via Multiple Random Unitary Transforms.

Takayuki Nakachi, Yukihiro Bandoh

Proceedings of the International Symposium on Intelligent Signal Processing and Communication Systems, 2021

Correlation Discovery and Channel Prediction in Mobile Networks: A Revisiting to Gaussian Process.

Yitu Wang, Takayuki Nakachi, Takeru Inoue, Toru Mano, Riichi Kudo

Proceedings of the IEEE Global Communications Conference, 2021

Adaptive Multi-slot-ahead Prediction of Network Traffic with Gaussian Process.

Yitu Wang, Takayuki Nakachi, Takeru Inoue, Toru Mano

Proceedings of the IEEE Global Communications Conference, 2021

Secure Computation of Gaussian Process Regression for Data Analysis.

Takayuki Nakachi, Yitu Wang

Proceedings of the 29th European Signal Processing Conference, 2021

2020

Prediction of Network Traffic Through Light-Weight Machine Learning.

Yitu Wang, Takayuki Nakachi

IEEE Open J. Commun. Soc., 2020

Secure OMP Computation Maintaining Sparse Representations and Its Application to EtC Systems.

Takayuki Nakachi, Hitoshi Kiya

IEICE Trans. Inf. Syst., 2020

An MMT-Based Hierarchical Transmission Module for 4K/120fps Temporally Scalable Video.

Yasuhiro Mochida, Takayuki Nakachi, Takahiro Yamaguchi

IEICE Trans. Inf. Syst., 2020

L0 Norm Optimization in Scrambled Sparse Representation Domain and Its Application to EtC System.

Takayuki Nakachi, Hitoshi Kiya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020

A Privacy-Preserving Machine Learning Scheme Using EtC Images.

Ayana Kawamura, Yuma Kinoshita, Takayuki Nakachi, Sayaka Shiota, Hitoshi Kiya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020

Secure Overcomplete Dictionary Learning for Sparse Representation.

Takayuki Nakachi, Yukihiro Bandoh, Hitoshi Kiya

IEICE Trans. Inf. Syst., 2020

A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks.

Yitu Wang, Takayuki Nakachi

IEEE Access, 2020

Distributed Secure Sparse Modeling Based on Random Unitary Transform.

Yukihiro Bandoh, Takayuki Nakachi, Hitoshi Kiya

IEEE Access, 2020

Light-weight Machine Learning for mmWave Vehicular Communications.

Yitu Wang, Takayuki Nakachi

Proceedings of the 92nd IEEE Vehicular Technology Conference, 2020

The Learning and Prediction of Network Traffic: A Revisiting to Sparse Representation.

Yitu Wang, Takayuki Nakachi

Proceedings of the 2020 IEEE International Conference on Communications, 2020

Secure Face Recognition in Edge and Cloud Networks: From the Ensemble Learning Perspective.

Yitu Wang, Takayuki Nakachi

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Privacy-Preserving Pattern Recognition Using Encrypted Sparse Representations in L0 Norm Minimization.

Takayuki Nakachi, Yitu Wang, Hitoshi Kiya

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Sparse Modeling on Distributed Encryption Data.

Yukihiro Bandoh, Takayuki Nakachi, Hitoshi Kiya

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019

Privacy-Preserving Support Vector Machine Computing Using Random Unitary Transformation.

Takahiro Maekawa, Ayana Kawamura, Takayuki Nakachi, Hitoshi Kiya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019

An MMT Module for 4K/120fps Temporally Scalable Video.

Yasuhiro Mochida, Takayuki Nakachi, Takahiro Yamaguchi, Takayuki Onishi, Ken Nakamura

Proceedings of the IEEE International Symposium on Circuits and Systems, 2019

Secure Sparse Representations in L0 Norm Minimization and Its Application to EtC Systems.

Takayuki Nakachi, Hitoshi Kiya

Proceedings of the 13th International Conference on Signal Processing and Communication Systems, 2019

Edge and Cloud-aided Secure Sparse Representation for Face Recognition.

Yitu Wang, Takayuki Nakachi, Hiroyuki Ishihara

Proceedings of the 27th European Signal Processing Conference, 2019

Secure Dictionary Learning for Sparse Representation.

Takayuki Nakachi, Yukihiro Bandoh, Hitoshi Kiya

Proceedings of the 27th European Signal Processing Conference, 2019

2018

Privacy-Preserving SVM Computing by Using Random Unitary Transformation.

Takahiro Maekawa, Takayuki Nakachi, Sayaka Shiota, Hitoshi Kiya

Proceedings of the 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 2018

Privacy-Preserving Network BMI Decoding of Covert Spatial Attention.

Takayuki Nakachi, Hiroyuki Ishihara, Hitoshi Kiya

Proceedings of the 12th International Conference on Signal Processing and Communication Systems, 2018

2017

Slepian-Wolf video coding with resolution-progressive transmission.

Takayuki Nakachi, Shinya Ishihara

Proceedings of the 2017 International Symposium on Intelligent Signal Processing and Communication Systems, 2017

2016

Foreword.

Takayuki Nakachi, Makoto Nakashizuka

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016

Rate-adaptive FF-LDGM code with selective inter-leaving scheme.

Takayuki Nakachi, Tatsuya Fujii

Proceedings of the International Symposium on Intelligent Signal Processing and Communication Systems, 2016

Irregular flat XOR codes for reducing repair bandwidth of multi-point distributed storage systems.

Yui Yoshida, Takayuki Nakachi, Daisuke Shirai, Tatsuya Fujii

Proceedings of the 2016 IEEE International Conference on Communications, 2016

2015

A Failure-Tolerant and Spectrum-Efficient Wireless Data Center Network Design for Improving Performance of Big Data Mining.

Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Toshikazu Sakano, Atsushi Takahara

Proceedings of the IEEE 81st Vehicular Technology Conference, 2015

Layered lossless video coding based on Slepian-Wolf theorem.

Takayuki Nakachi, Tatsuya Fujii

Proceedings of the 2015 International Symposium on Intelligent Signal Processing and Communication Systems, 2015

Robust UHD video transmission using MMT FireFort-LDGM code.

Takayuki Nakachi, Yoshihide Tonomura, Daisuke Shirai, Takahiro Yamaguchi, Tatsuya Fujii

Proceedings of the 2015 IEEE International Conference on Multimedia & Expo Workshops, 2015

2014

Toward integrating overlay and physical networks for robust parallel processing architecture.

Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara

IEEE Netw., 2014

MMT AL-FEC codes for networked distributed storage.

Takayuki Nakachi, Atsushi Okada, Tatsuya Fujii

Proceedings of the International Symposium on Intelligent Signal Processing and Communication Systems, 2014

An overlay network construction technique for minimizing the impact of physical network disruption in cloud storage systems.

Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara

Proceedings of the International Conference on Computing, Networking and Communications, 2014

2013

Digital Cinema and Super-High-Definition Content Distribution on Optical High-Speed Networks.

Tatsuya Fujii, Daisuke Shirai, Yoshihide Tonomura, Masahiko Kitamura, Takayuki Nakachi, Tomoko Sawabe, Masanori Ogawara, Takahiro Yamaguchi, Mitsuru Nomura, Kazuhiro Shirakawa

Proc. IEEE, 2013

THUP: A P2P Network Robust to Churn and DoS Attack Based on Bimodal Degree Distribution.

Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara

IEEE J. Sel. Areas Commun., 2013

A conceptual foundation of NSCW transport design using an MMT standard.

Takayuki Nakachi, Yoshihide Tonomura, Tatsuya Fujii

Proceedings of the 7th International Conference on Signal Processing and Communication Systems, 2013

2012

Layered Multicast Encryption of Motion JPEG2000 Code Streams for Flexible Access Control.

Takayuki Nakachi, Kan Toyoshima, Yoshihide Tonomura, Tatsuya Fujii

IEICE Trans. Inf. Syst., 2012

Efficient image interpolation by associating 2nd order local structure and data-adaptive kernel regression.

Ryotaro Nakamura, Takayuki Nakachi, Nozomu Hamada

Proceedings of the International Symposium on Intelligent Signal Processing and Communications Systems, 2012

Highly realistic collaboration system by using 4K multi JPEG2000 codecs and 6-channel acoustic echo canceller.

SunYong Kim, Takayuki Nakachi, Tatsuya Fujii, Satoru Emura, Yoichi Haneda

Proceedings of the International Symposium on Intelligent Signal Processing and Communications Systems, 2012

2011

Distributed source coding: Theorem and its application to video coding.

Takayuki Nakachi

Proceedings of the International Symposium on Intelligent Signal Processing and Communications Systems, 2011

Coding efficiency improvement on distributed video coding utilizing super resolution approach.

Ryo Miyazawa, Shinobu Kudoh, Takayuki Nakachi, Nozomu Hamada

Proceedings of the International Symposium on Intelligent Signal Processing and Communications Systems, 2011

Low-Density Generator Matrix Codes for IP Packet Video Streaming with Backward Compatibility.

Yoshihide Tonomura, Daisuke Shirai, Masahiko Kitamura, Takayuki Nakachi, Tatsuya Fujii, Hitoshi Kiya

Proceedings of IEEE International Conference on Communications, 2011

2010

Color-component bit allocation scheme for JPEG 2000 parallel codec.

Yoshihide Tonomura, Takayuki Nakachi, Daisuke Shirai, Tatsuya Fujii, Hitoshi Kiya

Proceedings of the International Conference on Image Processing, 2010

2009

Layered Low-Density Generator Matrix Codes for Super High Definition Scalable Video Coding System.

Yoshihide Tonomura, Daisuke Shirai, Takayuki Nakachi, Tatsuya Fujii, Hitoshi Kiya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

Parallel Processing of Distributed Video Coding to Reduce Decoding Time.

Yoshihide Tonomura, Takayuki Nakachi, Tatsuya Fujii, Hitoshi Kiya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

2008

Efficient index assignment by improved bit probability estimation for parallel processing of distributed video coding.

Yoshihide Tonomura, Takayuki Nakachi, Tatsuya Fujii

Proceedings of the IEEE International Conference on Acoustics, 2008

2007

Distributed Video Coding Using JPEG 2000 Coding Scheme.

Yoshihide Tonomura, Takayuki Nakachi, Tetsuro Fujii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007

Flicker Suppression in JPEG2000 using Segmentation-Based Adjustment of Block Truncation Lengths.

Athanasios Leontaris, Yoshihide Tonomura, Takayuki Nakachi, Pamela C. Cosman

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

A Study on Non-octave Scalable Image Coding and Its Performance Evaluation Using Digital Cinema Test Material.

Takayuki Nakachi, Tomoko Sawabe, Junji Suzuki, Tetsuro Fujii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

Extended Multiresolution Lossless Video Coding Using In-Band Spatio-Temporal Prediction.

Takayuki Nakachi, Tomoko Sawabe, Tetsuro Fujii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

Optimal Bit Allocation for Wavelet-Based Distributed Video Coding.

Yoshihide Tonomura, Daisuke Shirai, Takayuki Nakachi, Tetsuro Fujii

Proceedings of the Eigth IEEE International Symposium on Multimedia (ISM 2006), 2006

A New Framework for Distributed Video Coding Based on JPEG 2000.

Yoshihide Tonomura, Takayuki Nakachi

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Rate Control for Flicker Artifact Suppression in Motion JPEG2000.

Athanasios Leontaris, Yoshihide Tonomura, Takayuki Nakachi

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005

A Study on Non-octave Scalable Coding using Motion Compensated Inter-frame Wavelet Transform.

Takayuki Nakachi, Tetsuro Fujii

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

A study on non-octave resolution conversion based on JPEG2000 extensions.

Takayuki Nakachi, Tomoko Sawabe, Junji Suzuki, Tetsuro Fujii

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003

A study on multiresolution lossless video coding using inter/intra frame adaptive prediction.

Takayuki Nakachi, Tomoko Sawabe, Tetsuro Fujii

Proceedings of the Visual Communications and Image Processing 2003, 2003

2002

Multiresolution Lossless Video Coding Using Inter/Intra Frame Adaptive Prediction.

Takayuki Nakachi, Tomoko Sawabe, Tatsuya Fujii, Tetsurou Fujii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002

2000

Unified lossless and near-lossless color image coding based on adaptive quantization.

Takayuki Nakachi, Tatsuya Fujii

Proceedings of the IEEE International Symposium on Circuits and Systems, 2000

1999

Lossless and Near-Lossless Compressions of Still Color Images.

Takayuki Nakachi, Tatsuya Fujii, Junji Suzuki

Proceedings of the 1999 International Conference on Image Processing, 1999

1996

Convergence behavior of two-dimensional least-squares lattice algorithm.

Takayuki Nakachi, Katsumi Yamashita, Nozomu Hamada

Proceedings of the 8th European Signal Processing Conference, 1996

1995

The AR Modeling of Two-Dimensional Fields by Extended Lattice Filter.

Takayuki Nakachi, Nozomu Hamada, Katsumi Yamashita

Proceedings of the 1995 IEEE International Symposium on Circuits and Systems, ISCAS 1995, Seattle, Washington, USA, April 30, 1995