Koki Yamada

According to our database, Koki Yamada authored at least 20 papers between 2019 and 2024.

Collaborative distances:

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

2024

Harmonic/Percussive Source Separation Based on Anisotropic Smoothness of Magnitude Spectrograms via Convex Optimization.

Natsuki Akaishi, Koki Yamada, Kohei Yatabe

IEEE Signal Process. Lett., 2024

2023

Versatile Time-Frequency Representations Realized by Convex Penalty on Magnitude Spectrogram.

Keidai Arai, Koki Yamada, Kohei Yatabe

IEEE Signal Process. Lett., 2023

Clustering of Time-Varying Graphs Based on Temporal Label Smoothness.

Katsuki Fukumoto, Koki Yamada, Yuichi Tanaka, Hoi-To Wai

CoRR, 2023

Enhancing Teleoperated Robot Customer Service through Speech Monitoring and Filtering.

Koki Yamada, Jani Even, Takayuki Kanda

IROS, 2023

Restoration of Time-Varying Graph Signals using Deep Algorithm Unrolling.

Hayate Kojima, Hikari Noguchi, Koki Yamada, Yuichi Tanaka

Proceedings of the IEEE International Conference on Acoustics, 2023

Frequency Bandwidth Reduction of High-Frequency Intra-Body Propagation Characteristics Used for Attacker's Touch Detection in Fingerprint Authentication.

Shunichi Tomura, Koki Yamada, Takahiro Yoshida

Proceedings of the 12th IEEE Global Conference on Consumer Electronics, 2023

2022

Graph Signal Restoration Using Nested Deep Algorithm Unrolling.

Masatoshi Nagahama, Koki Yamada, Yuichi Tanaka, Stanley H. Chan, Yonina C. Eldar

IEEE Trans. Signal Process., 2022

Generalization of Limit Theorems for Connected-(<i>r</i>, <i>s</i>)-out-of- (<i>m</i>, <i>n</i>): F Lattice Systems.

Koki Yamada, Taishin Nakamura, Hisashi Yamamoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022

Graph Filter Transfer via Probability Density Ratio Weighting.

Koki Yamada

CoRR, 2022

Edge Sampling of Graphs Based on Edge Smoothness.

Kenta Yanagiya, Koki Yamada, Yasuo Katsuhara, Tomoya Takatani, Yuichi Tanaka

Proceedings of the IEEE International Conference on Acoustics, 2022

Graph Learning Information Criterion.

Koki Yamada, Yuichi Tanaka

Proceedings of the IEEE International Conference on Acoustics, 2022

2021

Temporal Multiresolution Graph Learning.

Koki Yamada, Yuichi Tanaka

IEEE Access, 2021

Graph Signal Denoising Using Nested-Structured Deep Algorithm Unrolling.

Masatoshi Nagahama, Koki Yamada, Yuichi Tanaka, Stanley H. Chan, Yonina C. Eldar

Proceedings of the IEEE International Conference on Acoustics, 2021

Design of Graph Signal Sampling Matrices for Arbitrary Signal Subspaces.

Junya Hara, Koki Yamada, Shunsuke Ono, Yuichi Tanaka

Proceedings of the IEEE International Conference on Acoustics, 2021

Node Clustering of Time-Varying Graphs Based on Temporal Label Smoothness.

Katsuki Fukumoto, Koki Yamada, Yuichi Tanaka

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2021

2020

Graph Blind Deconvolution with Sparseness Constraint.

Kazuma Iwata, Koki Yamada, Yuichi Tanaka

CoRR, 2020

Time-Varying Graph Learning with Constraints on Graph Temporal Variation.

Koki Yamada, Yuichi Tanaka, Antonio Ortega

CoRR, 2020

Learning Graphs with Multiple Temporal Resolutions.

Koki Yamada, Yuichi Tanaka

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2020

2019

Underwater Image Synthesis from RGB-D Images and its Application to Deep Underwater Image Restoration.

Takumi Ueda, Koki Yamada, Yuichi Tanaka

Proceedings of the 2019 IEEE International Conference on Image Processing, 2019

Time-varying Graph Learning Based on Sparseness of Temporal Variation.

Koki Yamada, Yuichi Tanaka, Antonio Ortega

Proceedings of the IEEE International Conference on Acoustics, 2019