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PLoS One


Title:Data reconstruction using iteratively reweighted L1-principal component analysis for an electronic nose system
Author(s):Jeon HM; Lee JY; Jeong GM; Choi SI;
Address:"Department of Data Science, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do, 16890, Korea. Department of Computer Science and Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do, 16890, Korea. Electrical Engineering, Kookmin University, 861-1, Jeongneung-dong, Seongbuk-gu, Seoul 02707, Korea"
Journal Title:PLoS One
Year:2018
Volume:20180725
Issue:7
Page Number:e0200605 -
DOI: 10.1371/journal.pone.0200605
ISSN/ISBN:1932-6203 (Electronic) 1932-6203 (Linking)
Abstract:"We propose a method to reconstruct damaged data based on statistical learning during data acquisition. In the process of measuring the data using a sensor, the damage of the data caused by the defect of the sensor or the environmental factor greatly degrades the performance of data classification. Instead of the traditional PCA based on L2-norm, the PCA features were extracted based on L1-norm and updated by iteratively reweighted fitting using the generalized objective function to obtain robust features for the outlier data. The damaged data samples were reconstructed using weighted linear combination using these features and the projection vectors of L1-norm based PCA. The experimental results on various types of volatile organic compounds (VOCs) data show that the proposed method can be used to reconstruct the damaged data to the original form of the undamaged data and to prevent degradation of classification performance due to data corruption through data reconstruction"
Keywords:Electronic Data Processing/*methods *Electronic Nose Equipment Design Principal Component Analysis/*methods Volatile Organic Compounds/*analysis;
Notes:"MedlineJeon, Hong-Min Lee, Je-Yeol Jeong, Gu-Min Choi, Sang-Il eng Research Support, Non-U.S. Gov't 2018/07/26 PLoS One. 2018 Jul 25; 13(7):e0200605. doi: 10.1371/journal.pone.0200605. eCollection 2018"

 
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