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eess.SP2025
A Design of Denser-Graph-Frequency Graph Fourier Frames for Graph Signal Analysis
Kaito Nitani, Seisuke Kyochi
This paper introduces a design method for densergraph-frequency graph Fourier frames (DGFFs) to enhance graph signal processing and analysis. The graph Fourier transform (GFT) enab…
eess.SP2024
Sparsity-Enhanced Multilayered Non-Convex Regularization with Epigraphical Relaxation for Debiased Signal Recovery
Akari Katsuma, Seisuke Kyochi, Shunsuke Ono +1
This paper proposes a precise signal recovery method with multilayered non-convex regularization, enhancing sparsity/low-rankness for high-dimensional signals including images and…