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Automatic Analysis of Composite Physical Signals Using Non-Negative Factorization and Information Criterion

https://hiroshima.repo.nii.ac.jp/records/2007945
https://hiroshima.repo.nii.ac.jp/records/2007945
05bd0941-4b77-4542-9c6c-8c2985aca593
名前 / ファイル ライセンス アクション
PLoS-One_7_e32352.pdf PLoS-One_7_e32352.pdf (537.4 KB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Automatic Analysis of Composite Physical Signals Using Non-Negative Factorization and Information Criterion
言語 en
作成者 Watanabe, Kenji

× Watanabe, Kenji

en Watanabe, Kenji

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Hidaka, Akinori

× Hidaka, Akinori

en Hidaka, Akinori

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Otsu, Nobuyuki

× Otsu, Nobuyuki

en Otsu, Nobuyuki

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Kurita, Takio

× Kurita, Takio

en Kurita, Takio

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
権利情報 (c) 2012 Watanabe et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Funding: This research is supported by the ordinary budget in the National Institute of Advanced Industrial Science and Technology
主題
主題Scheme NDC
主題 007
内容記述
内容記述 In time-resolved spectroscopy, composite signal sequences representing energy transfer in fluorescence materials are measured, and the physical characteristics of the materials are analyzed. Each signal sequence is represented by a sum of non-negative signal components, which are expressed by model functions. For analyzing the physical characteristics of a measured signal sequence, the parameters of the model functions are estimated. Furthermore, in order to quantitatively analyze real measurement data and to reduce the risk of improper decisions, it is necessary to obtain the statistical characteristics from several sequences rather than just a single sequence. In the present paper, we propose an automatic method by which to analyze composite signals using non-negative factorization and an information criterion. The proposed method decomposes the composite signal sequences using non-negative factorization subjected to parametric base functions. The number of components (i.e., rank) is also estimated using Akaike's information criterion. Experiments using simulated and real data reveal that the proposed method automatically estimates the acceptable ranks and parameters.
言語 en
出版者
出版者 Public Library of Science
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
識別子タイプ DOI
関連識別子 10.1371/journal.pone.0032352
関連情報
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1371/journal.pone.0032352
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1932-6203
開始ページ
開始ページ e32352
書誌情報 PLoS ONE
PLoS ONE

巻 7, 号 3, p. e32352, 発行日 2012
旧ID 34752
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