Spectral Clustering with Automatic Cluster-Number Identification via Finding Sparse Eigenvectors. - Yuto Ogino; Masahiro Yukawa (EUSIPCO, 2018)

How are the Centered Kernel Principal Components Relevant to Regression Task? -An Exact Analysis. - Masahiro Yukawa; Klaus-Robert Müller; Yuto Ogino (ICASSP, 2018)