59 citations · 258 across the 20 of their papers we have counts for
4 papers · 1 filter
Robust Spatiotemporal Fusion of Satellite Images: A Constrained Convex Optimization Approach
Ryosuke Isono, Kazuki Naganuma, Shunsuke Ono
This paper proposes a novel spatiotemporal (ST) fusion framework for satellite images, named Robust Optimization-based Spatiotemporal Fusion (ROSTF). ST fusion is a promising appro…
Generalized Graph Signal Sampling by Difference-of-Convex Optimization
Keitaro Yamashita, Kazuki Naganuma, Shunsuke Ono
We propose a comprehensive framework for the generalized sampling and recovery of generalized graph signals by leveraging difference-of-convex (DC) optimization. A fundamental chal…
Towards Robust Hyperspectral Unmixing: Mixed Noise Modeling and Image-Domain Regularization
Kazuki Naganuma, Shunsuke Ono
Hyperspectral (HS) unmixing is the process of decomposing an HS image into material-specific spectra (endmembers) and their spatial distributions (abundance maps). Existing unmixin…
Variable-Wise Diagonal Preconditioning for Primal-Dual Splitting: Design and Applications
Kazuki Naganuma, Shunsuke Ono
This paper proposes a method for designing diagonal preconditioners for a preconditioned primal-dual splitting method (P-PDS), an efficient algorithm that solves nonsmooth convex o…