Browsing Ústav teoretické a experimentální elektrotechniky by Issue Date
Now showing items 1-20 of 44
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Soft-tissues image processing: comparison of traditional segmentation methods with 2D active contour methods
(De Gruyter Open, 2012-07-31)The paper deals with modern methods of image processing, especially image segmentation, classification and evaluation of parameters. It is focused primarily on processing medical images of soft tissues obtained by magnetic ... -
Bacterial pattern identification in near-infrared spectrum
(Lublin University of Technology, 2014-09-17)Abstract. Microorganism identification, primary bacterial identification and pathogen detection, is important in a lot of microbial scientific areas (diagnosing of infection diseases, food protection). In this, the ... -
Comparing Saddle, Slotted-tube and Parallel-plate Coils for Magnetic Resonance Imaging
(De Gruyter Open, 2014-12-01)The paper is concerned with a comparison of the properties of RF coils of three configurations for MRI measurements on small animals. In comparison with the classical saddle coil the proposed modification of slotted-tube ... -
Application of an electromagnetic numerical model in accurate measurement of high velocities
(Lublin University of Technology, 2015-03-01)The velocity of various objects measured within a large number of disciplines and activities. This paper presents the process of designing an accurate method and equipment for the measurement of velocity in one-shot nonlinear ... -
GPU-Accelerated Reconstruction of T2 Maps in Magnetic Resonance Imaging
(De Gruyter Open, 2015-08-12)The main tissue parameters targeted by MR tomography include, among others, relaxation times T1 and T2. This paper focuses on the computation of the relaxation time T2 measured with the Spin Echo method, where the sensing ... -
MRI-Based Visualization of the Relaxation Times of Early Somatic Embryos
(De Gruyter, 2016-04-15)The large set of scientific activities supported by MRI includes, among others, the research of water and mineral compounds transported within a plant, the investigation of cellular processes, and the examination of the ... -
The Evaluation of Noise Spectroscopy Tests
(MDPI, 2016-12-10)The paper discusses mathematical tools to evaluate novel noise spectroscopy based analysis and describes, via physical similarity, the mathematical models expressing the quantitative character of the modeled task. Using ... -
Measuring Light Air Ions in a Speleotherapeutic Cave
(Institute of Measurement Science, Slovak Academy of Sciences, 2017-01-25)The paper deals with a methodology proposed for measuring the concentration of air ions in the environment of speleotherapeutic caves, and with the implementation of the AK-UTEE-v2 ionmeter. Speleotherapy, in the context ... -
Characterization of the Embryogenic Tissue of the Norway Spruce Including a Transition Layer between the Tissue and the Culture Medium by Magnetic Resonance Imaging
(De Gruyter Open, 2017-02-25)The paper describes the visualization of the cells (ESEs) and mucilage (ECMSN) in an embryogenic tissue via magnetic resonance imaging (MRI) relaxometry measurement combined with the subsequent multi-parametric segmentation. ... -
An Experiment to Prove the Effect of Low-Level Magnetic Fields Resulting from Ionospheric Changes on Humans
(De Gruyter, 2017-02-27)The investigation presented in the paper was performed in the laboratories of the Department of Theoretical and Experimental Electrical Engineering, Faculty of Electrical Engineering and Communication, Brno University of ... -
A Real Model of a Micro-Grid to Improve Network Stability
(MDPI, 2017-07-30)This paper discusses the smart energy model of a smart grid using a significant share of renewable energy sources combined with intelligent control that processes information from a smart metering subsystem. An algorithm ... -
The Effect of a Spiral Gradient Magnetic Field on the Ionic Conductivity of Water
(MDPI, 2017-09-02)We discuss the experimental verification of changes in the structure of a liquid water sample inserted in a special spiral “gradient” magnetic field. The magnetic flux components are characterized by a high degree of ... -
Testing an Impedance Non-destructive Method to Evaluate Steel-Fiber Concrete Samples
(DE GRUYTER POLAND SP ZOO, 2018-03-01)Steel-fiber reinforced concrete is a composite material characterized by outstanding tensile properties and resistance to the development of cracks. The concrete, however, exhibits such characteristics only on the condition ... -
A Non-Destructive Impedance Method Using Resonance to Evaluate the Concentration of Steel Fibers in Concrete
(DE GRUYTER POLAND SP ZOO, 2018-10-08)Steel-fiber reinforced concrete is a composite material characterized by outstanding tensile properties and resistance to cracking. The concrete, however, exhibits such characteristics only on the condition that the steel ... -
A Novel Tool for Supervised Segmentation Using 3D Slicer
(MDPI, 2018-11-12)The rather impressive extension library of medical image-processing platform 3D Slicer lacks a wide range of machine-learning toolboxes. The authors have developed such a toolbox that incorporates commonly used machine-learning ... -
The Asset Administration Shell of Operator in the Platform of Industry 4.0
(IEEE, 2018-12-05)We discuss the Asset Administration Shell (AAS) concept of Industry 4.0 (I4.0), characterizing the current status of industrial automation and outlining the advantages of more deeply digitized manufacturing where the AAS ... -
A Sensor System for Detecting and Localizing Partial Discharges in Power Transformers with Improved Immunity to Interferences
(MDPI, 2019-02-22)The paper reports on the solution, principles, and application results related to a system for diagnosing main transformers in power plants via the radiofrequency method. The subject of the diagnostics is the occurrence ... -
New Approaches to Implementing the SmartJacket into Industry 4.0
(MDPI, 2019-04-02)The paper discusses the possibilities of incorporating sensors and indicators into the environment of an Industry 4.0 digital factory. The concept of Industry 4.0 (I4.0) is characterized via a brief description of the RAMI ... -
Experimental Measurement of Nanolayers via Electromagnetic, Near Infrared, and Gamma Radiation
(https://content.sciendo.com/configurable/contentpage/journals$002fmsr$002f19$002f4$002farticle-p144.xml, 2019-07-30)We discuss and compare the results obtained from experimental measurements of a two-layer, Ni and TiO2 nanometric structure deposited on siliceous glass. Utilizing previous theoretical models of multilayers or periodic ... -
Coupled Numerical Model of Vibration-Based Harvester
(MDPI, 2020-04-15)Herein, the authors publish the complex design of a numerical coupled model of a vibration-based harvester that transforms mechanical vibrations into electric energy. A numerical model is based on usage of the finite element ...