Generalized Interval Valued Nonnegative Matrix Factorization

Masahiro Kohjima; Tatsushi Matsubayashi; Hiroyuki Toda

ICASSP 2019accepted0 citations

Generalized Interval Valued Nonnegative Matrix Factorization

Masahiro Kohjima, Tatsushi Matsubayashi, Hiroyuki Toda

Abstract

In this paper, we propose a probabilistic model for analyzing the generalized interval valued matrix, a matrix that has scalar valued elements and bounded/unbounded interval valued elements. We derive a majorization minimization algorithm for parameter estimation and prove that the objective function is monotonically decreasing by the parameter update. An experiment shows that the proposed model well handles interval- valued elements and offers improved performance.

BibTeX

@inproceedings{icassp2019_generalizedinter,
  title = {Generalized Interval Valued Nonnegative Matrix Factorization},
  author = {Masahiro Kohjima and Tatsushi Matsubayashi and Hiroyuki Toda},
  booktitle = {ICASSP 2019},
  year = {2019}
}