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Kiyoshi Hayasaka

3 accepted papers

2023

Multi-Resolution Convolutional Dictionary Learning for Riverbed Dynamics Modeling

ICASSP 2023accepted

This work proposes a novel formulation of convolutional-sparse-coded dynamic mode decomposition (CSC-DMD) incorporating a deep learning framework. CSC-DMD is a high-dimensional data analysis method with a convolutional synthesis dictionary and applicable to analyze dynamics such as seismic motions a…

Cited by 5SourceScholar
2021

Sparse-Coded Dynamic Mode Decomposition on Graph for Prediction of River Water Level Distribution

ICASSP 2021accepted

This work proposes a method for estimating dynamics on graph by using dynamic mode decomposition (DMD) and sparse approximation with graph filter banks (GFBs). The motivation of introducing DMD on graph is to predict multi-point river water levels for forecasting river flood and giving proper evacua…

Cited by 0SourceScholar
2019

Convolutional-sparse-coded Dynamic Mode Decomposition and Its Application to River State Estimation

ICASSP 2019accepted

This work proposes convolutional-sparse-coded dynamic mode decomposition (CSC-DMD) by unifying extended dynamic mode decomposition (EDMD) and convolutional sparse coding. EDMD is a data-driven method of analysis used to describe a nonlinear dynamical system with a linear time-evolution equation. Com…

Cited by 0SourceScholar