Mixed sound event verification on wireless sensor network for home automation

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Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/107031

Title:	Mixed sound event verification on wireless sensor network for home automation
Authors:	王家慶;Wang, Jia-Ching;Lin, Chang-Hong;Siahaan, Ernestasia;Chen, Bo-Wei;Chuang, Hsiang-Lung
Contributors:	資訊電機學院資訊工程學系
Keywords:	Automation;Blind source separation;Blind source separation (BSS);Blinds;Compensation;Home automation;Recognition;Remote sensors;Robustness;Separation;Separation processes;Sound;sound verification;support vector machine (SVM);Support vector machines;Target recognition;Time-frequency analysis;Wavelet packets;Wireless networks;wireless sensor network (WSN);Wireless sensor networks
Date:	2014-01-01
Issue Date:	2026-04-23 13:53:47 (UTC+8)
Publisher:	IEEE Computer Society;Piscataway: IEEE
Abstract:	摘要： In this paper, we present the problem of mixed sound event verification in a wireless sensor network for home automation systems. In home automation systems, the sound recognized by the system becomes the basis for performing certain tasks. However, if a target source is mixed with another sound due to simultaneous occurrence, the system would generate poor recognition results, subsequently leading to inappropriate responses. To handle such problems, this study proposes a framework, which consists of sound separation and sound verification techniques based on a wireless sensor network (WSN), to realize sound-triggered automation. In the sound separation phase, we present a convolutive blind source separation system with source number estimation using time-frequency clustering. An accurate mixing matrix can be estimated by the proposed phase compensation technique and used for reconstructing the separated sound sources. In the verification phase, Mel frequency cepstral coefficients and Fisher scores that are derived from the wavelet packet decomposition of signals are used as features for support vector machines. Finally, a sound of interest can be selected for triggering automated services according to the verification result. The experimental results demonstrate the robustness and feasibility of the proposed system for mixed sound verification in WSN-based home environments. 其他題名： TII 出版者： Piscataway: IEEE 出版日期： 2014-02-01 出處： IEEE transactions on industrial informatics, 2014-02, Vol.10 (1), p.803-812 資源來源： IEEE Electronic Library (IEL) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Feb 2014 識別號： ISSN: 1551-3203 識別號： EISSN: 1941-0050 識別號： DOI: 10.1109/TII.2013.2262283 識別號： CODEN: ITIICH
Appears in Collections:	[Department of Computer Science and information Engineering] journal & Dissertation

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