{"title":"Ensemble kalman variational objective: a variational inference framework for sequential variational auto-encoders","authors":"Tsuyoshi Ishizone, Tomoyuki Higuchi, Kazuyuki Nakamura","doi":"10.1587/nolta.14.691","DOIUrl":"https://doi.org/10.1587/nolta.14.691","url":null,"abstract":"Time series model inference can be divided into modeling and optimization. Sequential VAEs have been studied as a modeling technique. As an optimization technique, methods combining variational inference (VI) and sequential Monte Carlo (SMC) have been proposed; however, they have two drawbacks: less particle diversity and biased gradient estimators. This paper proposes Ensemble Kalman Variational Objective (EnKO), a VI framework with the ensemble Kalman filter, to infer latent time-series models. Our proposed method efficiently learns the time-series models because of its particle diversity and unbiased gradient estimators. We demonstrate that our EnKO outperforms previous SMC-based VI methods in the predictive ability for several synthetic and real-world data sets.","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135843319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Miyajima, Noritaka Shigei, H. Miyajima, N. Shiratori
{"title":"Scalability improvement of simplified, secure distributed processing with decomposition data","authors":"H. Miyajima, Noritaka Shigei, H. Miyajima, N. Shiratori","doi":"10.1587/nolta.14.140","DOIUrl":"https://doi.org/10.1587/nolta.14.140","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"25 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87842001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Discriminative restricted Boltzmann machine with trainable sparsity","authors":"Muneki Yasuda, Tomu Katsumata","doi":"10.1587/nolta.14.207","DOIUrl":"https://doi.org/10.1587/nolta.14.207","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"2 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82157164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kenta Yamamoto, T. Hisakado, Mahfuzul Islam, O. Wada
{"title":"Global stabilization for nonlinear two-port characteristics of bidirectional DC/DC converter and its application to peer-to-peer energy transfer","authors":"Kenta Yamamoto, T. Hisakado, Mahfuzul Islam, O. Wada","doi":"10.1587/nolta.14.292","DOIUrl":"https://doi.org/10.1587/nolta.14.292","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"49 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89536623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Design of Focused Ultrasound system for non-invasive treatment of Cystic Fibrosis: a simulation study using equivalent circuit models","authors":"Suketu Naik","doi":"10.1587/nolta.14.128","DOIUrl":"https://doi.org/10.1587/nolta.14.128","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"44 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82332151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Akihiko Tatematsu, Hiroyuki Hatano, K. Sanada, K. Mori, Hiroya Tanaka, Y. Tadokoro
{"title":"Noise-power estimation and performance improvement for SR-based receiver with few-bit ADC","authors":"Akihiko Tatematsu, Hiroyuki Hatano, K. Sanada, K. Mori, Hiroya Tanaka, Y. Tadokoro","doi":"10.1587/nolta.14.628","DOIUrl":"https://doi.org/10.1587/nolta.14.628","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"8 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74081585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Dynamics of chaotic circuit networks with local bridges","authors":"Y. Uwate, Kenta Ago, Y. Nishio","doi":"10.1587/nolta.14.534","DOIUrl":"https://doi.org/10.1587/nolta.14.534","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"2016 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73574107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Konosuke Hiraki, Jun Adachi, Takafumi Matsuura, T. Kimura
{"title":"An effective routing strategy using congestion signaling for various types of communication networks","authors":"Konosuke Hiraki, Jun Adachi, Takafumi Matsuura, T. Kimura","doi":"10.1587/nolta.14.436","DOIUrl":"https://doi.org/10.1587/nolta.14.436","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"60 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83745498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Keigo Makizoe, Atsuhiro Yumoto, Koji Oshima, Kenji Suzuki, M. Hasegawa
{"title":"Applying reinforcement learning algorithms to ground station selection in satellite-terrestrial optical communication","authors":"Keigo Makizoe, Atsuhiro Yumoto, Koji Oshima, Kenji Suzuki, M. Hasegawa","doi":"10.1587/nolta.14.403","DOIUrl":"https://doi.org/10.1587/nolta.14.403","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"43 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85366472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ibuki Matsumoto, S. Nobukawa, Nobuhiko Wagatsuma, Tomoki Kurikawa
{"title":"Functionality of neural dynamics induced by long-tailed synaptic distribution in reservoir computing","authors":"Ibuki Matsumoto, S. Nobukawa, Nobuhiko Wagatsuma, Tomoki Kurikawa","doi":"10.1587/nolta.14.342","DOIUrl":"https://doi.org/10.1587/nolta.14.342","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"2004 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83026285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}