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Data Refinement and Channel Selection for a Portable E-Nose System by the Use of Feature Feedback

Sang-Il Choi, Su-Hyun Kim, Yoonseok Yang, Gu-Min Jeong
2010 Sensors  
For the robust e-nose system in a real environment, we propose to reduce the noise in the data measured by sensor arrays and distinguish the important part in the data by the use of feature feedback.  ...  We propose a data refinement and channel selection method for vapor classification in a portable e-nose system.  ...  Some feature extraction or selection methods can be used effectively to classify vapors for the portable e-nose system.  ... 
doi:10.3390/s101110387 pmid:22163476 pmcid:PMC3231006 fatcat:igxjt7vcdnfgxjye42l7u2i65u

Pseudo Optimization of E-Nose Data Using Region Selection with Feature Feedback Based on Regularized Linear Discriminant Analysis

Gu-Min Jeong, Nguyen Nghia, Sang-Il Choi
2014 Sensors  
In this paper, we present a pseudo optimization method for electronic nose (e-nose) data using region selection with feature feedback based on regularized linear discriminant analysis (R-LDA) to enhance  ...  To implement cost-and performance-effective e-nose systems, the number of channels, sampling time and sensing time of the e-nose must be considered.  ...  Acknowledgments The research was supported in part by the MSIP (Ministry of Science, ICT and Future Planning) Conflicts of Interest The authors declare no conflict of interest.  ... 
doi:10.3390/s150100656 pmid:25559000 pmcid:PMC4327041 fatcat:kqojajkclfdztaewsmlv5a3pcq

Historical Evolution and Food Control Achievements of Near Infrared Spectroscopy, Electronic Nose, and Electronic Tongue—Critical Overview

Balkis Aouadi, John-Lewis Zinia Zaukuu, Flora Vitális, Zsanett Bodor, Orsolya Fehér, Zoltan Gillay, George Bazar, Zoltan Kovacs
2020 Sensors  
By virtue of their wide-range designs, speed, and real-time data processing, the electronic tongue (E-tongue), electronic nose (E-nose), and near infrared (NIR) spectroscopy have been at the forefront  ...  The instruments have been used to fingerprint food properties and to control food production from farm-to-fork.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20195479 pmid:32987908 fatcat:bz5tkxecybbchl35xdmvj7tzp4

A bio-inspired two-layer multiple-walled carbon nanotube–polymer composite sensor array and a bio-inspired fast-adaptive readout circuit for a portable electronic nose

L.C. Wang, K.T. Tang, S.W. Chiu, S.R. Yang, C.T. Kuo
2011 Biosensors & bioelectronics  
Keywords: Electronic nose Sensor array Multi-walled carbon nanotube (MWNT) Adaptive interface a b s t r a c t We report a fully integrated, portable, battery-operated electronic nose system comprising  ...  This portable electronic nose system successfully classified four complex alcohol samples 40 times for each sample; these samples were sake, sorghum liquor, medical liquor, and whisky.  ...  Acknowledgments The authors would like to acknowledge the support of the National Science Council of Taiwan, under Contract No. NSC 97-2220-E-007-036 and NSC 98-2220-E-007-017.  ... 
doi:10.1016/j.bios.2011.04.015 pmid:21664119 fatcat:zleqhdcuhvhpjd6skn6ri7ze4m

Development of a Tuneable NDIR Optical Electronic Nose

Siavash Esfahani, Akira Tiele, Samuel O. Agbroko, James A. Covington
2020 Sensors  
Optical E-nose technology therefore demonstrates significant potential as a portable and low-cost solution for a number of E-nose applications.  ...  This paper reports on the development of an optical non-dispersive infrared (NDIR) E-nose, which consists of an array of four tuneable detectors, able to scan a range of wavelengths (3.1–10.5 μm).  ...  The aim of this work is therefore to develop a novel optical-based E-nose, which is portable and can be deployed in a wide variety of typical E-noses applications.  ... 
doi:10.3390/s20236875 pmid:33271862 fatcat:cq4fbugbv5f6njsyv755aojsvy

Non-Destructive Technologies for Detecting Insect Infestation in Fruits and Vegetables under Postharvest Conditions: A Critical Review

Akinbode A. Adedeji, Nader Ekramirad, Ahmed Rady, Ali Hamidisepehr, Kevin D. Donohue, Raul T. Villanueva, Chadwick A. Parrish, Mengxing Li
2020 Foods  
In the last two decades, food scientists have attempted to develop new technologies that can improve the detection of insect infestation in fruits and vegetables under postharvest conditions using a multitude  ...  Several studies have been conducted on the development of rapid, accurate, and reliable insect infestation monitoring systems to replace invasive and subjective methods that are often inefficient.  ...  The aforementioned studies used E-nose and E-tongue with promising results.  ... 
doi:10.3390/foods9070927 pmid:32674380 fatcat:n6wzxlsmu5hw5i6ki4xuhhemri

Emerging nondestructive approaches for meat quality and safety evaluation—A review

Alfadhl Y. Khaled, Chadwick A. Parrish, Akinbode Adedeji
2021 Comprehensive Reviews in Food Science and Food Safety  
Here, we provide a comprehensive review of recent nondestructive technologies (e-nose, CV, spectroscopy, HSI, and MSI), as well as their applications and limitations in the detection and evaluation of  ...  To overcome the shortfalls of these conventional approaches, several researchers have developed fast and nondestructive techniques.  ...  The system was able to detect 98% of healthy and 93% of systemically diseased chickens, using the selected feature wavelengths.  ... 
doi:10.1111/1541-4337.12781 pmid:34151512 fatcat:zfpapmwjjndtfh7kqvyw3f7iaa

Fully integrated ultra-sensitive electronic nose based on organic field-effect transistors

Daniil S Anisimov, Victoria P Chekusova, Askold A Trul, Anton A Abramov, Oleg V Borshchev, Elena V Agina, Sergey A Ponomarenko
2021 Scientific Reports  
It features down to 30 ppb limit of detection provided by monolayer thick active layers and operates in air with up to 95% relative humidity.  ...  Here we present the first fully integrated OFET-based electronic nose with the whole sensor array located on a single substrate.  ...  Kiselev for providing the receptor materials, and J.I. Bezsudnova and P.S. Savchenko for their contribution to the development of the program code used in the work.  ... 
doi:10.1038/s41598-021-88569-x pmid:34021171 fatcat:vvlwmgyuora5jlzytdg6c57r6m

A Generic Transferable EEG Decoder for Online Detection of Error Potential in Target Selection

Saugat Bhattacharyya, Amit Konar, D. N. Tibarewala, Mitsuhiro Hayashibe
2017 Frontiers in Neuroscience  
Thus, the decoder is trained using EEG features of 16 subjects for single-trial classification and tested on 10 independent subjects.  ...  For this purpose, we have used a P300-speller dataset available on a BCI competition website. The task involves the subject to select a letter of a word which is followed by a feedback period.  ...  The authors would like to thank J. Mattout, M. Clerc, and the Kaggle competition organizers to provide us with the datasets as part of the BCI Challenge @ NER 2015 competition.  ... 
doi:10.3389/fnins.2017.00226 pmid:28512396 pmcid:PMC5411431 fatcat:2h4bb2ykebbwdja3skypxsw6im

Ganoderma boninense Disease Detection by Near-Infrared Spectroscopy Classification: A Review

Mas Ira Syafila Mohd Hilmi Tan, Mohd Faizal Jamlos, Ahmad Fairuz Omar, Fatimah Dzaharudin, Suramate Chalermwisutkul, Prayoot Akkaraekthalin
2021 Sensors  
of an early detection system in real time using ML classifier algorithms and a predictive analytics model.  ...  , (ii) the NIR spectrum is more precise and sensitive to particular diseases, including G. boninense, compared to visible light and (iii) hand-held NIRS for in situ measurement is used to explore the efficacy  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s21093052 pmid:33925576 fatcat:kqufaicjsjbxrbyyctxaby5prq

Malodor Detection Based on Electronic Nose [chapter]

Chatchawal Wongchoosuk, Panida Lorwongtragool, Teerakiat Kerdcharoe
2011 Air Quality Monitoring, Assessment and Management  
Most applications are associated with using E-nose to determine the degree of microbial spoilage.  ...  The E-nose combined with non-linear signal measurement techniques and linear discriminant analysis (LDA) extracts signal features and process those features for classification of odor groups.  ...  assessment and management, and serves as a source of material for all those involved in the field, whether as a student, scientific researcher, industrialist, consultant, or government agency with responsibility  ... 
doi:10.5772/16582 fatcat:65zbbrmofvd4dpl5qliqx5mt4m

Brain Computer Interfaces, a Review

Luis Fernando Nicolas-Alonso, Jaime Gomez-Gil
2012 Sensors  
Third, the review includes some techniques used in the signal enhancement step to deal with the artifacts in the control signals and improve the performance.  ...  Finally, the review provides an overview of various BCI applications that control a range of devices.  ...  Acknowledgements This work was partially supported by the regional 2010 Research Project Plan of the Junta de Castilla y León, (Spain), under project VA034A10-2.  ... 
doi:10.3390/s120201211 pmid:22438708 pmcid:PMC3304110 fatcat:rinslsoovba4hizv3ugwdy6g2e

Mathematical Modelling of Biosensing Platforms Applied for Environmental Monitoring

Ahlem Teniou, Amina Rhouati, Jean-Louis Marty
2021 Chemosensors  
As a consequence, various biosensors using modelling have been reported in the literature for efficient environmental monitoring.  ...  Researchers have been inspired by these techniques to explore several methods to solve many problems with high precision.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/chemosensors9030050 fatcat:yw7b3qywtrevzn2tdh4te4kn7u

A review on meat quality evaluation methods based on non-destructive computer vision and artificial intelligence technologies

Yinyan Shi, Xiaochan Wang, Borhan Mohammad, Jennifer Young, David Newman, Eric Berg, Xin Sun
2021 Food Science of Animal Resources  
In the near future, with ever-growing application requirements and research developments, it is a trend to integrate such systems to provide effective solutions for various grain quality evaluation applications  ...  The technical characteristics and evaluation methods were compared and analyzed; the practical applications of non-destructive detection technologies in meat quality assessment were explored; and the current  ...  National Pork Board Prediction of Pork Quality using Online Computer Vision System, project number NPB #15-084, and National Natural Science Foundation of China (Grant No. 51905281). Acknowledgments  ... 
doi:10.5851/kosfa.2021.e25 pmid:34291208 pmcid:PMC8277176 fatcat:khhtncbs5bhslhlng42hwbtexq

Review on Smart Gas Sensing Technology

Shaobin Feng, Fadi Farha, Qingjuan Li, Yueliang Wan, Yang Xu, Tao Zhang, Huansheng Ning
2019 Sensors  
With the development of the Internet-of-Things (IoT) technology, the applications of gas sensors in the fields of smart homes, wearable devices, and smart mobile terminals have developed by leaps and bounds  ...  This review introduces the reader to the overall framework of smart gas sensing technology, including three key points; gas sensor arrays made of different materials, signal processing for drift compensation  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s19173760 fatcat:do6ic5zm4bfenn6xgvlupdo46e
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