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The Journal of Institute of Measurement Science of Slovak Academy of Sciences

Measurement Science Review

The tracking of the migration of ice frontal surface is crucial for the understanding of the underlying physical mechanisms in freezing soil. Owing to the distinct advantages, including non-invasive sensing, high safety, low cost and high data acquisition speed, the electrical capacitance tomography (ECT) is considered to be a promising visualization measurement method. In this paper, the ECT method is used to visualize the migration of ice frontal surface in freezing soil. With the main motivation of the improvement of imaging quality, a loss function with multiple regularizers that incorporate the prior formation related to the imaging objects is proposed to cast the ECT image reconstruction task into an optimization problem. An iteration scheme that integrates the superiority of the split Bregman iteration (SBI) method is developed for searching for the optimal solution of the proposed loss function. An unclosed electrodes sensor is designed for satisfying the requirements of practical measurements. An experimental system of one dimensional freezing in frozen soil is constructed, and the ice frontal surface migration in the freezing process of the wet soil sample containing five percent of moisture is measured. The visualization measurement results validate the feasibility and effectiveness of the ECT visualization method

Abstract

School of Civil Engineering, Henan Polytechnic University, 45400, Jiaozuo, China

Key Laboratory of Efficient Utilization of Low and Medium Grade Energy (Tianjin University), Ministry of Education of China, 300072, Tianjin,

School of Civil Engineering, Henan Polytechnic University, 45400, Jiaozuo,

School of Energy, Power and Mechanical Engineering, North China Electric Power University, 102206, Beijing,

Keywords

<article-title>Electrical Capacitance Tomography Measurement of the Migration of Ice Frontal Surface in Freezing Soil</article-title>

Electrical Capacitance Tomography Measurement of the Migration of Ice Frontal Surface in Freezing Soil

This manuscript analyzes the omni-directivity error of an electromagnetic field (EM) probe and its dependence on frequency. The global directional characteristic of a whole EM probe consists of three independent directional characteristics of EM sensors - one for each coordinate. The shape of particular directional characteristics is frequency dependent and so is the shape of the whole EM probe’s global directional characteristic. This results in systematic error induced in the measurement of EM fields. This manuscript also contains quantitative formulation of such errors caused by the shape change of directional characteristics for different types of sensors depending on frequency and their mutual arrangement.

Institute of Electrical Engineering, Faculty of Electrical Engineering and Information Technology, Slovak Technical University, Ilkovicova 3, 81219 Bratislava,

<article-title>Analysis of Omni-directivity Error of Electromagnetic Field Probe using Isotropic Antenna</article-title>

Analysis of Omni-directivity Error of Electromagnetic Field Probe using Isotropic Antenna

A surface radio frequency coil was developed for small animal image acquisition in a pre-clinical magnetic resonance imaging system at 7 T. A flexible coil composed of two circular loops was developed to closely cover the object to be imaged. Electromagnetic numerical simulations were performed to evaluate its performance before the coil construction. An analytical expression of the mutual inductance for the two circular loops as a function of the separation between them was derived and used to validate the simulations. The RF coil is composed of two circular loops with a 5 cm external diameter and was tuned to 300 MHz and 50 Ohms matched. The angle between the loops was varied and the Q factor was obtained from the S11 simulations for each angle. B1 homogeneity was also evaluated using the electromagnetic simulations. The coil prototype was designed and built considering the numerical simulation results. To show the feasibility of the coil and its performance, saline-solution phantom images were acquired. A correlation of the simulations and imaging experimental results was conducted showing a concordance of 0.88 for the B1 field. The best coil performance was obtained at the 90° aperture angle. A more realistic phantom was also built using a formaldehyde-fixed rat phantom for ex vivo imaging experiments. All images showed a good image quality revealing clearly defined anatomical details of an ex vivo rat.

Department of Physics, Faculty of Sciences, National Autonomous University of Mexico, Mexico City, 04510,

Department of Neuroimage, National Institute of Neurology and Neurosurgery MVS, Mexico City14269,

Department of Electrical Engineering, Metropolitan Autonomous University Iztapalapa, México City, 09340,

<article-title>Numerical Analysis of a Flexible Dual Loop Coil and its Experimental Validation for pre-Clinical Magnetic Resonance Imaging of Rodents at 7 T</article-title>

Numerical Analysis of a Flexible Dual Loop Coil and its Experimental Validation for pre-Clinical Magnetic Resonance Imaging of Rodents at 7 T

Electroporation is an electric field induced phenomenon occurring when the permeability of the cell membrane is increased due to the excess of critical transmembrane potential. Fluorescent dye assays are frequently used for evaluation of the permeabilization rate, however, the protocols vary, which negatively affects the repeatability of the results. In this work we have designed experiments to investigate the protocols and threshold concentrations of the Propidium Iodide (PI) and YO-PRO-1 (YP) fluorescent dyes for evaluation of mammalian cell permeabilization induced by electroporation. The Sp2/0 mouse myeloma cells were used and the bursts of 100 μs × 8 electrical pulses of 0.8-2 kV/cm were applied. It has been shown that the dye concentration has an influence on the detectable permeabilization, and the concentrations below 30 μM for PI and 1 μM for YP should be avoided for measurement of electropermeabilization efficacy due to unreliable fluorescence signals. Further, based on the experimental data, the permeabilization curve for the Sp2/0 myeloma cells in the 0.8-2 kV/cm range has been presented.

Institute of High Magnetic Fields, Faculty of Electronics, Vilnius Gediminas Technical University, Naugarduko g. 41, 03227, Vilnius,

State Research Institute Centre for Innovative Medicine, Department of Immunology, Santariškių g. 5, 08406, Vilnius,

Department of Microbiology and Biotechnology, Vilnius University, Sauletekio al. 9, 10221, Vilnius,

Department of Biodeterioration Research, Nature Research Centre, Akademijos str. 2, 08412, Vilnius,

Laboratory of Mycology, Nature Research Centre, Akademijos str. 2, 08412, Vilnius,

<article-title>Measurement of Transient Permeability of Sp2/0 Myeloma Cells: Flow Cytometric Study</article-title>

Measurement of Transient Permeability of Sp2/0 Myeloma Cells: Flow Cytometric Study

The Radio Frequency Identification (RFID) technology has gained interests in both academia and industry since its invention. In addition to the applications in access control and supply chain, RFID is also a cost-efficient solution for Non-Destructive Testing (NDT) and pervasive monitoring. The battery free RFID tags are used as independent electromagnetic sensors or energy harvesting and data transmission interface of sensor modules for different measurement purposes. This review paper aims to provide a comprehensive overview of the innovative designs and applications of RFID sensor technology with new insights, identify the technical challenges, and outline the future perspectives. With a brief introduction to the fundamentals of RFID measurement, the enabling technologies and recent technical progress are illustrated, followed by an extensive discussion of the novel designs and applications. Then, based on an in-depth analysis, the potential constraints are identified and the envisaged future directions are suggested, including printable/wearable RFID, System-on-Chip (SoC), ultra-low power, etc. The comprehensive discussion of RFID sensor technology will be inspirational and useful for academic and industrial communities in investigating, developing, and applying RFID for various measurement applications.

School of Electrical and Electronic Engineering, University of Manchester, Oxford Road, Manchester M13 9PL,

School of Materials, University of Manchester, Oxford Road, Manchester M13 9PL,

<article-title>RFID Tag as a Sensor - A Review on the Innovative Designs and Applications</article-title>

RFID Tag as a Sensor - A Review on the Innovative Designs and Applications

{"article-title":"RFID Tag as a Sensor - A Review on the Innovative Designs and Applications"}

The advances in the development of imaging devices resulted in the need of an automatic quality evaluation of displayed visual content in a way that is consistent with human visual perception. In this paper, an approach to full-reference image quality assessment (IQA) is proposed, in which several IQA measures, representing different approaches to modelling human visual perception, are efficiently combined in order to produce objective quality evaluation of examined images, which is highly correlated with evaluation provided by human subjects. In the paper, an optimisation problem of selection of several IQA measures for creating a regression-based IQA hybrid measure, or a multimeasure, is defined and solved using a genetic algorithm. Experimental evaluation on four largest IQA benchmarks reveals that the multimeasures obtained using the proposed approach outperform state-of-the-art full-reference IQA techniques, including other recently developed fusion approaches.

Department of Computer and Control Engineering, Rzeszow University of Technology, W. Pola 2, 35-959 Rzeszow,

<article-title>A Regression-Based Family of Measures for Full-Reference Image Quality Assessment</article-title>

A Regression-Based Family of Measures for Full-Reference Image Quality Assessment

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Editor-in-Chief Ivan Frollo, Institute of Measurement Science, Slovak Academy of Sciences, Slovakia Executive Editors Viktor Witkovský, Institute of Measurement Science, Slovak Academy of Sciences, Slovakia Ida Prokopčáková, Institute of Experimental Psychology, Slovak Academy of Sciences, Slovakia Editor Vladimír Juráš, Institute of Measurement Science, Slovak Academy of Sciences, Slovakia Editorial Board Olli Aumala, Tampere University of Technology, Finland Denny Borsboom, Department of Psychology, University of Amsterdam, The Netherlands Isabel Van Driessche, Ghent University-Laboratory of Organometallics and Catalysis, Belgium Zoltán Domotor, Department of Philosophy, University of Pennsylvania, Philadelphia, U.S.A. Miroslav Dovica, Technical University of Košice, Slovakia Stanislav Duriš, Technical University Bratislava, Slovakia Osman Gencel, Faculty of Engineering, Bartin University, Bartin, Turkey Adam Glowacz, AGH University of Science and Technology, Poland Marco L. H. Gruwel, Department of Chemistry, University of Manitoba, Winnipeg, Canada Yuri V. Chugui, Technological Design Institute of Scientific Instrument Engineering, Russia Dietrich Hofmann, SpectroNet - International Collaboration Cluster, Jena, Germany Dariusz J. Jakóbczak, Technical University of Koszalin, Poland György Kozmann, CRIP Research Institute for Technical Physics and Material Science, Hungary Vitalij Novickij, Vilnius Gediminas Technical University, Lithuania Ignacio Lira, Pontificia Universidad Catolica de Chile, Chile Kalju Meigas, Tallinn University of Technology, Estonia Rosario Morello, University Mediterranea of Reggio Calabria, Italy Ganesh R. Naik, Faculty of Engng & Inf. Technology Univ. of Technology, Sydney, Australia Irina G. Palchikova, Technological Design Institute of Scientific Instrument Engineering, Russia Rudolf Palenčár, Technical University Bratislava, Slovakia Nicola Pasquino, University of Naples Federico II, Napoli, Italy Sudheer Rani, Vanderbilt University Institute of Imaging Sciences, Nashville, U.S.A. Paul Regtien, Faculty of Electrical Engineering at the University of Twente, The Netherlands Mario Savino, Politecnico di BARI, Italy Viktor Smieško, Technical University Bratislava, Slovakia Harald Schumny, Physikalisch- Technische Bundesanstalt, Germany Manuch Soleimani, University of Bath, Claverton Down, Bath, UK Michael G. Sowa, Institute for Biodiagnostics, National Research Council of Canada, Canada Peter H. Sydenham, University of South Australia and GSEC Pty Ltd, Australia Zenon Starčuk, Institute of Scientific Instruments, Academy of Sciences, Czech Republic Mihai Tarata, Dept. of Med. Informatics, Uni. of Medicine and Pharmacy of Craiova, Romania Shigeru Takayama, Ritsumeikan University BKC, Faculty of Science and Engineering, Japan Milan Tyšler, Institute of Measurement Science , Slovak Academy of Sciences , Slovakia Julia Volaufova, Louisiana State University Health Sciences Center, New Orleans, U.S.A. Werner Wolf, Universität der Bundeswehr, München, Germany Jan Zakrzewski, Silesian Univ. of Technology, Dep. of Measurement and El. Control, Poland T. Yuvaraja, Channabasaveshwara Institute of Technology, Tumkur City, India Orest Kochan, Lviv Polytechnic National University, Lviv, Ukraine Tao Wang, Shanghai Jiao Tong University, Shanghai, China Language Editor Ida Prokopčáková, Institute of Experimental Psychology, Slovak Academy of Sciences, Slovakia Technical Editors Eva Nagyová, Institute of Measurement Science, Slovak Academy of Sciences, Slovakia Katarína Kozáková, Institute of Measurement Science, Slovak Academy of Sciences, Slovakia Contact Institute of Measurement Science Slovak Academy of Sciences Dubravska 9. 841 04 BRATISLAVA Slovak Republic Tel: +4212 5910 4511 - secretary of the director, <A href="mailto:umersekr@savba.sk">umersekr@savba.sk</A> Fax: +4212 5910 4594 <A href="http://www.um.sav.sk/en/">www.um.sav.sk/en/</A> Publisher De Gruyter Poland Bogumiła Zuga 32A Str. 01-811 Warsaw, Poland

Please submit your manuscripts to Measurement Science Review via email to: <A href="mailto:measurement@savba.sk">measurement@savba.sk</A> Preparation of papers, instructions: <A href="http://www.measurement.sk/Instructions.htm">www.measurement.sk/Instructions.htm</A></A>. <A href="http://www.measurement.sk/Template_2017.docx">Word Template</A> for your paper.

The aim of the journal is to publish papers from scientific disciplines covering the Measurement science with an orientation toward the theory of measurement, measurement of physical quantities and measurement in biomedicine.

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Volume 16 (2016): Issue 6 (December 2016)

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