IFIP Advances in Information and Communication Technology ISBN: 9783030469306 Intelligent Information Processing IFIP Advances in Information and Communication Technology 11th International Conference on Intelligent Information Processing (IIP) 11th International Conference on Intelligent Information Processing (IIP), Jul 2020, Hangzhou, China. pp.273-283, ⟨10.1007/978-3-030-46931-3_26⟩