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Advances of Chemometrics and Artificial-Intelligence-Based Approaches to Food Analysis

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".

Deadline for manuscript submissions: closed (20 November 2024) | Viewed by 4406

Special Issue Editors


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Guest Editor
School of Computer Science and Engineering, University of Westminster, London, UK
Interests: computational intelligent systems; signal & image processing; system identification & control; energy forecasting systems; robotics; chemometrics; biomedicine; food safety/quality; traffic prediction
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Applied Science, Telkom University, Bandung, Indonesia
Interests: digital signal processing; machine learning; chemometrics; information technologies

Special Issue Information

Dear Colleagues,

The quality and safety of food is an important issue for all of society, since it is at the basis of human health, social development and stability. Conventional methods for the detection of food quality are laborious, tedious, destructive, and time-consuming. Non-destructive methods are advancements in food quality evaluation that are useful for obtaining quantitative and qualitative data without destruction of the sample. These non-destructive methods include, among others, imaging-based (hyperspectral, multispectral, fluorescence, backscattering, magnetic resonance) approaches, spectroscopy-based (NIR, FTIR, Raman, terahertz) approaches, as well as electronic nose, electronic tongue, and dielectric-based approaches. Thus, the concept of food “sensing”-based analysis has attracted widespread attention and has found applicability to a variety of food “commodities” such as fruits and vegetables, meat, seafood, oil, dairy-based, and egg products. Although it can generally be grouped into prediction and classification problems, food analysis is associated with important problems such as quality detection (e.g., defects, spoilage, freshness, fatty acid composition), food contamination (e.g., detection of pathogens/parasites and harmful compounds), and authentication/adulteration issues.

In recent years, the combination of analytical tools and data-science-based algorithms has attracted the attention of researchers in the field of food analysis. However, to combat challenges in food integrity (i.e., quality, safety, authenticity), more sophisticated data-science tools need to be developed, tailored, or even integrated with innovative analytical tools to generate an effective analytical workflow, fully extract the underlying information, provide a better understanding of the results, and improve the overall performance of the analytical techniques for safeguarding food integrity.

This Special Issue thus aims to collect high-quality manuscripts related to the implementation of advanced artificial-intelligence-based techniques, coupled with classical chemometric strategies used in food analysis, to solve issues related to food integrity.

Dr. Vassilis Kodogiannis
Dr. Dedy Rahman Wijaya
Guest Editors

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Keywords

  • spectroscopic techniques (UV-VIS, NIR, Raman, NMR, fluorescence, etc.)
  • electronic nose and tongue
  • imaging methods (digital, hyperspectral, etc.)
  • advancement in data pre-processing methods (de-noising, etc.)
  • advancement in feature selection and extraction methods
  • machine learning techniques for food analysis
  • multivariate methods for food analysis
  • computational intelligence systems for food analysis (neural networks, fuzzy logic, genetic algorithms)
  • data fusion in food analysis
  • deep learning systems for food analysis
  • advancement in ensemble systems
  • application to food integrity (quality, safety, and authenticity)

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Published Papers (2 papers)

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Research

27 pages, 5063 KiB  
Article
Combining Feature Selection Techniques and Neurofuzzy Systems for the Prediction of Total Viable Counts in Beef Fillets Using Multispectral Imaging
by Abeer Alshejari, Vassilis S. Kodogiannis and Stavros Leonidis
Sensors 2023, 23(23), 9451; https://doi.org/10.3390/s23239451 - 27 Nov 2023
Viewed by 1157
Abstract
In the food industry, quality and safety issues are associated with consumers’ health condition. There is a growing interest in applying various noninvasive sensorial techniques to obtain quickly quality attributes. One of them, hyperspectral/multispectral imaging technique has been extensively used for inspection of [...] Read more.
In the food industry, quality and safety issues are associated with consumers’ health condition. There is a growing interest in applying various noninvasive sensorial techniques to obtain quickly quality attributes. One of them, hyperspectral/multispectral imaging technique has been extensively used for inspection of various food products. In this paper, a stacking-based ensemble prediction system has been developed for the prediction of total viable counts of microorganisms in beef fillet samples, an essential cause to meat spoilage, utilizing multispectral imaging information. As the selection of important wavelengths from the multispectral imaging system is considered as an essential stage to the prediction scheme, a features fusion approach has been also explored, by combining wavelengths extracted from various feature selection techniques. Ensemble sub-components include two advanced clustering-based neuro-fuzzy network prediction models, one utilizing information from average reflectance values, while the other one from the standard deviation of the pixels’ intensity per wavelength. The performances of neurofuzzy models were compared against established regression algorithms such as multilayer perceptron, support vector machines and partial least squares. Obtained results confirmed the validity of the proposed hypothesis to utilize a combination of feature selection methods with neurofuzzy models in order to assess the microbiological quality of meat products. Full article
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12 pages, 4937 KiB  
Article
Highly Selective Gas Sensor Based on Litchi-like g-C3N4/In2O3 for Rapid Detection of H2
by Ji Zhang, Xu Li, Qinhe Pan, Tong Liu and Qingji Wang
Sensors 2023, 23(1), 148; https://doi.org/10.3390/s23010148 - 23 Dec 2022
Cited by 6 | Viewed by 2147
Abstract
Hydrogen (H2) has gradually become a substitute for traditional energy, but its potential danger cannot be ignored. In this study, litchi-like g-C3N4/In2O3 composites were synthesized by a hydrothermal method and used to develop H [...] Read more.
Hydrogen (H2) has gradually become a substitute for traditional energy, but its potential danger cannot be ignored. In this study, litchi-like g-C3N4/In2O3 composites were synthesized by a hydrothermal method and used to develop H2 sensors. The morphology characteristics and chemical composition of the samples were characterized to analyze the gas-sensing properties. Meanwhile, a series of sensors were tested to evaluate the gas-sensing performance. Among these sensors, the sensor based on the 3 wt% g-C3N4/In2O3 (the mass ratio of g-C3N4 to In2O3 is 3:100) showeds good response properties to H2, exhibiting fast response/recovery time and excellent selectivity to H2. The improvement in the gas-sensing performance may be related to the special morphology, the oxygen state and the g-C3N4/In2O3 heterojunction. To sum up, a sensor based on 3 wt% g-C3N4/In2O3 exhibits preeminent performance for H2 with high sensitivity, fast response, and excellent selectivity. Full article
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