{"title":"Network structure identification via Koopman analysis and sparse identification","authors":"Zhuanglin Mei, T. Oguchi","doi":"10.1587/nolta.13.477","DOIUrl":"https://doi.org/10.1587/nolta.13.477","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"71 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91133164","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":"Piecewise-linear particle swarm optimizer, basic dynamics, reference frame invariance, and search performance","authors":"Tomoyuki Sasaki, H. Nakano","doi":"10.1587/nolta.13.170","DOIUrl":"https://doi.org/10.1587/nolta.13.170","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"71 9","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72406895","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":"Real-time computation of a large-scaled entorhinal-hippocampal spiking neural network using GPU acceleration","authors":"Kensuke Takada, K. Tateno","doi":"10.1587/nolta.13.349","DOIUrl":"https://doi.org/10.1587/nolta.13.349","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"5 9","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72427919","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":"Nonlinear modeling for equity valuation by machine learning","authors":"Yuuki Tsukahara, Riku Tanaka, Tomoyasu Suzuki","doi":"10.1587/nolta.13.246","DOIUrl":"https://doi.org/10.1587/nolta.13.246","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"18 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84959659","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":"Wavefront propagation in two-dimensional optical bistable device and its application to maze exploration","authors":"T. Isoshima","doi":"10.1587/nolta.13.53","DOIUrl":"https://doi.org/10.1587/nolta.13.53","url":null,"abstract":": A bistable system with a spatial expanse can support traveling wavefront which is an interface between different stable states such as “on” and “off”. In this work, a two-dimensional thermo-optical bistable device is investigated in terms of wavefront propagation property and its application to maze exploration. It is shown that wavefront velocity is controllable by light intensity and can take even a negative value, i.e. reduction or retreat of the “on”-state area. Utilizing this feature, an application of this device to maze exploration is demonstrated, where extension of the “on” state area explores the whole paths of the maze, and then the device is switched to reduction mode in which the “on” state area retreats from dead-end paths, resulting in the collect path of the maze.","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"55 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84501875","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}
Sota Yasuda, S. Indrapriyadarsini, H. Ninomiya, T. Kamio, H. Asai
{"title":"addHessian: Combining quasi-Newton method with first-order method for neural network training","authors":"Sota Yasuda, S. Indrapriyadarsini, H. Ninomiya, T. Kamio, H. Asai","doi":"10.1587/nolta.13.361","DOIUrl":"https://doi.org/10.1587/nolta.13.361","url":null,"abstract":": First-order methods such as SGD and Adam are popularly used in training Neural networks. On the other hand, second-order methods have shown to have better performance and faster convergence despite their high computational cost by incorporating the curvature information. While second-order methods determine the step size by line search approaches, first-order methods achieve e ffi cient learning by devising a way to adjust the step size. In this paper, we propose a new learning algorithm for training neural networks by combining first-order and second-order methods. We investigate the ef-fectiveness of our proposed method when combined with popular first-order methods - SGD, Adagrad, and Adam, through experiments using image classification problems.","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"20 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84509509","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":"Data synchronization via node degree in a network of coupled phase oscillators","authors":"Kota Shiozawa, T. Miyano, Isao T. Tokuda","doi":"10.1587/nolta.13.534","DOIUrl":"https://doi.org/10.1587/nolta.13.534","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"110 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75990125","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":"Differential evolution with perturbation for continuous function optimization","authors":"T. Muto, M. Maeda","doi":"10.1587/nolta.13.239","DOIUrl":"https://doi.org/10.1587/nolta.13.239","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89462081","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}
Yui Kishimoto, I. Kubota, Kentaro Takeda, H. Torikai
{"title":"A novel hardware-efficient auditory neuron model based on ergodic cellular automaton and its first pitch-shift effect","authors":"Yui Kishimoto, I. Kubota, Kentaro Takeda, H. Torikai","doi":"10.1587/nolta.13.391","DOIUrl":"https://doi.org/10.1587/nolta.13.391","url":null,"abstract":"","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"4 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77129689","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}
O. Spitz, A. Herdt, P. Didier, W. Elsässer, F. Grillot
{"title":"Mid-infrared free-space cryptosystem","authors":"O. Spitz, A. Herdt, P. Didier, W. Elsässer, F. Grillot","doi":"10.1587/nolta.13.44","DOIUrl":"https://doi.org/10.1587/nolta.13.44","url":null,"abstract":": Communication privacy is one of the key requirements for always expanding net-works. Furthermore, fibre systems are becoming saturated and many remote areas do not have access to broadband connection because current systems are too difficult or expensive to de-ploy. In this work, we experimentally demonstrate a mid-infrared free-space cryptosystem that is based on chaos synchronization between two quantum cascade lasers. Optimal amplitude conditions to ensure both privacy and acceptable deciphering are described, paving the way towards a wide adoption of quantum cascade lasers for future communication systems.","PeriodicalId":54110,"journal":{"name":"IEICE Nonlinear Theory and Its Applications","volume":"19 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73350649","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}