Kenta Niwa

Orcid: 0000-0002-6911-0238

According to our database1, Kenta Niwa authored at least 78 papers between 2008 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
SSFG: Stochastically Scaling Features and Gradients for Regularizing Graph Convolutional Networks.
IEEE Trans. Neural Networks Learn. Syst., February, 2024

A Localized Primal-Dual Method for Centralized/Decentralized Federated Learning Robust to Data Heterogeneity.
IEEE Trans. Signal Inf. Process. over Networks, 2024

Natural Gradient Primal-Dual Method for Decentralized Learning.
IEEE Trans. Signal Inf. Process. over Networks, 2024

DP-Norm: Differential Privacy Primal-Dual Algorithm for Decentralized Federated Learning.
IEEE Trans. Inf. Forensics Secur., 2024

Polyak Meets Parameter-free Clipped Gradient Descent.
CoRR, 2024

Simple Minimax Optimal Byzantine Robust Algorithm for Nonconvex Objectives with Uniform Gradient Heterogeneity.
Proceedings of the Twelfth International Conference on Learning Representations, 2024

On Accelerating Diffusion-Based Sampling Processes via Improved Integration Approximation.
Proceedings of the Twelfth International Conference on Learning Representations, 2024

Optimal Transport with Cyclic Symmetry.
Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

2023
Communication Compression for Decentralized Learning With Operator Splitting Methods.
IEEE Trans. Signal Inf. Process. over Networks, 2023

CoordiNet: Constrained Dynamics Learning for State Coordination Over Graph.
IEEE Trans. Signal Inf. Process. over Networks, 2023

Momentum Tracking: Momentum Acceleration for Decentralized Deep Learning on Heterogeneous Data.
Trans. Mach. Learn. Res., 2023

A DNN Optimizer that Improves over AdaBelief by Suppression of the Adaptive Stepsize Range.
Trans. Mach. Learn. Res., 2023

Embarrassingly Simple Text Watermarks.
CoRR, 2023

Necessary and Sufficient Watermark for Large Language Models.
CoRR, 2023

On Accelerating Diffusion-Based Sampling Process via Improved Integration Approximation.
CoRR, 2023

Beyond Exponential Graph: Communication-Efficient Topologies for Decentralized Learning via Finite-time Convergence.
Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Lookahead Diffusion Probabilistic Models for Refining Mean Estimation.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

2022
Revisiting the Primal-Dual Method of Multipliers for Optimisation Over Centralised Networks.
IEEE Trans. Signal Inf. Process. over Networks, 2022

Theoretical Analysis of Primal-Dual Algorithm for Non-Convex Stochastic Decentralized Optimization.
CoRR, 2022

On Exploiting Layerwise Gradient Statistics for Effective Training of Deep Neural Networks.
CoRR, 2022

Bilateral Video Magnification Filter.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2022

2021
Ambisonic Signal Processing DNNs Guaranteeing Rotation, Scale and Time Translation Equivariance.
IEEE ACM Trans. Audio Speech Lang. Process., 2021

Extending AdamW by Leveraging Its Second Moment and Magnitude.
CoRR, 2021

Asynchronous Decentralized Optimization With Implicit Stochastic Variance Reduction.
Proceedings of the 38th International Conference on Machine Learning, 2021

Loudspeaker Array to Maximize Acoustic Contrast Using Proximal Splitting Method.
Proceedings of the 29th European Signal Processing Conference, 2021

2020
Microphone Array Wiener Post Filtering Using Monotone Operator Splitting.
IEEE ACM Trans. Audio Speech Lang. Process., 2020

Edge-consensus Learning: Deep Learning on P2P Networks with Nonhomogeneous Data.
Proceedings of the KDD '20: The 26th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2020

Projected Weight Regularization to Improve Neural Network Generalization.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Differentiable Max-Directivity Beamforming Normalization for Independent Vector Analysis.
Proceedings of the 28th European Signal Processing Conference, 2020

2019
Approximated Orthonormal Normalisation in Training Neural Networks.
CoRR, 2019

Rapidly Adapting Moment Estimation.
CoRR, 2019

Improving speech intelligibility using microphones on behind the ear hearing aids.
Proceedings of the 21st IEEE International Workshop on Multimedia Signal Processing, 2019

Function Designable Beamformer Based on Probabilistic Assumptions on Filter and Its Auxiliary Variables.
Proceedings of the IEEE International Conference on Acoustics, 2019

Non-negative Matrix Factorization Using Bregman Monotone Operator Splitting.
Proceedings of the IEEE International Conference on Acoustics, 2019

Fast Edge-consensus Computing Based on Bregman Monotone Operator Splitting.
Proceedings of the IEEE International Conference on Acoustics, 2019

2018
Efficient Audio Rendering Using Angular Region-Wise Source Enhancement for 360° Video.
IEEE Trans. Multim., 2018

DNN-Based Source Enhancement to Increase Objective Sound Quality Assessment Score.
IEEE ACM Trans. Audio Speech Lang. Process., 2018

Edge Consensus Computing for Heterogeneous Data Sets.
Proceedings of the 2018 IEEE Statistical Signal Processing Workshop, 2018

2017
Informative Acoustic Feature Selection to Maximize Mutual Information for Collecting Target Sources.
IEEE ACM Trans. Audio Speech Lang. Process., 2017

A Single-Dimensional Interface for Arranging Multiple Audio Sources in Three-Dimensional Space.
IEICE Trans. Inf. Syst., 2017

Integration of Spatial Cue-Based Noise Reduction and Speech Model-Based Source Restoration for Real Time Speech Enhancement.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

Software defined media: Virtualization of audio-visual services.
Proceedings of the IEEE International Conference on Communications, 2017

Music staging AI.
Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Supervised source enhancement composed of nonnegative auto-encoders and complementarity subtraction.
Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

DNN-based source enhancement self-optimized by reinforcement learning using sound quality measurements.
Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

2016
Optimal Microphone Array Observation for Clear Recording of Distant Sound Sources.
IEEE ACM Trans. Audio Speech Lang. Process., 2016

PSD estimation in beamspace using property of M-matrix.
Proceedings of the IEEE International Workshop on Acoustic Signal Enhancement, 2016

Application of neural network to source PSD estimation for wiener filter based array sound source enhancement.
Proceedings of the IEEE International Workshop on Acoustic Signal Enhancement, 2016

Binaural sound generation corresponding to omnidirectional video view using angular region-wise source enhancement.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

Pinpoint extraction of distant sound source based on DNN mapping from multiple beamforming outputs to prior SNR.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

Integrated approach of feature extraction and sound source enhancement based on maximization of mutual information.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

Real-time integration of statistical model-based speech enhancement with unsupervised noise PSD estimation using microphone array.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

Estimating direct-to-reverberant ratio mapped from power spectral density using deep neural network.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

2015
PSD estimation in Beamspace for Estimating Direct-to-Reverberant Ratio from A Reverberant Speech Signal.
CoRR, 2015

Informative acoustic feature selection on microphone array wiener filtering for collecting target source on sports ground.
Proceedings of the 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2015

Wiener filter design by estimating sensitivities between distributed asynchronous microphones and sound sources.
Proceedings of the 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2015

Optimization of grasp positions using the partial differentiation of the grasp stiffness matrix.
Proceedings of the 2015 IEEE/SICE International Symposium on System Integration, 2015

Dive into Remote Events: Omnidirectional Video Streaming with Acoustic Immersion.
Proceedings of the 23rd Annual ACM Conference on Multimedia Conference, MM '15, Brisbane, Australia, October 26, 2015

Microphone array for increasing mutual information between sound sources and observation signals.
Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

2014
Post-filter design for speech enhancement in various noisy environments.
Proceedings of the 14th International Workshop on Acoustic Signal Enhancement, 2014

PSD estimation in beamspace for source separation in a diffuse noise field.
Proceedings of the 14th International Workshop on Acoustic Signal Enhancement, 2014

Close-talking spherical microphone array using sound pressure interpolation based on spherical harmonic expansion.
Proceedings of the IEEE International Conference on Acoustics, 2014

2013
Diffused Sensing for Sharp Directive Beamforming.
IEEE Trans. Speech Audio Process., 2013

Underdetermined Sound Source Separation Using Power Spectrum Density Estimated by Combination of Directivity Gain.
IEEE Trans. Speech Audio Process., 2013

An Estimation Method of Sound Source Orientation Using Eigenspace Variation of Spatial Correlation Matrix.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

Wave intensity estimation over broad wavelengths based on diffused sensing.
Proceedings of the Seventh International Conference on Sensing Technology, 2013

Evaluation of microphone array based on diffused sensing with various filter design methods.
Proceedings of the 21st European Signal Processing Conference, 2013

2012
Estimation of Direct-to-Reverberation Energy Ratio Based On Isotropic and Homogeneous Propagation Model.
Proceedings of the IWAENC 2012 - International Workshop on Acoustic Signal Enhancement, Proceedings, RWTH Aachen University, Germany, September 4th, 2012

Superdirective beamforming using microphone array and single reflector.
Proceedings of the IEEE International Conference on Consumer Electronics, 2012

Diffused sensing for sharp directivity microphone array.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Telescopic microphone array using reflector for segregating target source from noises in same direction.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

Estimating sound source depth using a small-size array.
Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

2011
Estimating Direct-to-Reverberant Energy Ratio Using D/R Spatial Correlation Matrix Model.
IEEE ACM Trans. Audio Speech Lang. Process., 2011

2010
Estimation of sound source orientation using eigenspace of spatial correlation matrix.
Proceedings of the IEEE International Conference on Acoustics, 2010

Estimating direct-to-reverberant energy ratio based on spatial correlation model segregating direct sound and reverberation.
Proceedings of the IEEE International Conference on Acoustics, 2010

2009
Selective Listening Point Audio Based on Blind Signal Separation and Stereophonic Technology.
IEICE Trans. Inf. Syst., 2009

2008
3DAV integrated system featuring arbitrary listening-point and viewpoint generation.
Proceedings of the International Workshop on Multimedia Signal Processing, 2008

Encoding large array signals into a 3D sound field representation for selective listening point audio based on blind source separation.
Proceedings of the IEEE International Conference on Acoustics, 2008


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