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Data Refinement and Channel Selection for a Portable E-Nose System by the Use of Feature Feedback
2010
Sensors
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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
2014
Sensors
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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
2020
Sensors
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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
2011
Biosensors & bioelectronics
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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
2020
Sensors
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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
2020
Foods
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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
2021
Comprehensive Reviews in Food Science and Food Safety
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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
2021
Scientific Reports
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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
2017
Frontiers in Neuroscience
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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
2021
Sensors
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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]
2011
Air Quality Monitoring, Assessment and Management
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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
2012
Sensors
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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
2021
Chemosensors
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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
2021
Food Science of Animal Resources
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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
2019
Sensors
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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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