1 code implementation • 3 Mar 2016 • Hiroaki Shiino, Hiroaki Sasaki, Gang Niu, Masashi Sugiyama
Non-Gaussian component analysis (NGCA) is an unsupervised linear dimension reduction method that extracts low-dimensional non-Gaussian "signals" from high-dimensional data contaminated with Gaussian noise.
no code implementations • 2 May 2023 • Hiroaki Shiino, Kaito Ariu, Kenshi Abe, Togashi Riku
In this paper, we propose a safe OLTR algorithm that efficiently exchanges one of the items in the current ranking with an item outside the ranking (i. e., an unranked item) to perform exploration.