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    Wyświetlanie 1-10 z 10
    Tytuł:
    Intelligence in manufacturing systems: the pattern recognition perspective
    Autorzy:
    Zaremba, M. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/971032.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    Intelligent Manufacturing Systems
    pattern recognition
    computational intelligence
    neural networks
    distributed systems
    spatial filtering
    feature selection
    dimensionality reduction
    Opis:
    The field of Intelligent Manufacturing Systems (IMS) has been generally equated with the use of Artificial Intelligence and Computational Intelligence methods and techniques in the design and operation of manufacturing systems. Those methods and techniques are now applied in many different technological domains to deal with such pervasive problems as data imprecision and nonlinear system behavior. The focus in IMS is now shifting to a broader understanding of the intelligent behavior of manufacturing systems. The questions debated by researchers today relate more to what kind and what level of adaptability to instill in the structure and operation of a manufacturing system, with the discussions increasingly gravitating to the issue of system self-organization. This paper explores the changing face of IMS from the perspective of the pattern recognition domain. It presents design criteria for techniques that will allow us to implement manufacturing systems exhibiting adaptive and intelligent behaviour. Examples are given to show how incorporating pattern recognition capabilities can help us build more intelligence and self-organization into the manufacturing systems of the future.
    Źródło:
    Control and Cybernetics; 2010, 39, 1; 233-258
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multi-strategy navigation for a mobile data acquisition platform using genetic algorithms
    Autorzy:
    Halal, F.
    Zaremba, M. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/950950.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    genetic algorithms
    path planning
    monitoring system
    remote sensing
    navigation control
    heuristic search
    Opis:
    Monitoring of biological and chemical pollutants in large bodies of water requires the acquisition of a large number of in-situ measurements by a mobile sensor platform. Critical to this problem is an efficient path planning method, easily adaptable to different control strategies that ensure the collection of data of the greatest value. This paper proposes a deliberative path planning algorithm, which features the use of waypoints for a ship navigation trajectory that are generated by Genetic Algorithm (GA) based procedures. The global search abilities of Genetic Algorithms are combined with the heuristic local search in order to implement a navigation behaviour suitable to the required data collection strategy. The adaptive search system operates on multi-layer maps generated from remote sensing data, and provides the capacity for dealing with multiple classes of water pollutants. A suitable objective function was proposed to handle different sampling strategies for the collection of samples from multiple water pollutant classes. A region-of-interest (ROI) component was introduced to deal effectively with the large scale of search environments by pushing the search towards ROI zones. This resulted in the reduction of the search time and the computing cost, as well as good convergence to an optimal solution. The global path planning performance was further improved by multipoint crossover operators running in each GA generation. The system was developed and tested for inland water monitoring and trajectory planning of a mobile sample acquisition platform using commercially available satellite data.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2017, 11, 1; 30-41
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ant colony optimization for data acquisition mission planning
    Autorzy:
    Colmenares, G.
    Halal, F.
    Zaremba, M.B.
    Powiązania:
    https://bibliotekanauki.pl/articles/407293.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    path planning
    environment monitoring
    ant colony optimization
    data acquisition
    navigation control
    satellite imagery
    constraint-based optimization
    Opis:
    The probabilistic Ant Colony Optimization (ACO) approach is presented to solve the problem of designing an optimal trajectory for a mobile data acquisition platform. An ACO algorithm optimizes an objective function defined in terms of the value of the acquired data samples subject to different sets of constraints depending on the current data acquisition strategy. The analysis presented in this paper focuses on an environment monitoring system, which acquires in-situ data for precise calibration of a water quality monitoring system. The value of the sample is determined based on the concentration of the water pollutant, which in turn is obtained through processing of multi-spectral satellite imagery. Since our problem is defined in a continuous space of coordinates, and in some strategies each point is able to connect to any other point in the space, we adopted a hybrid model that involves a connection graph and also a spatial grid.
    Źródło:
    Management and Production Engineering Review; 2014, 5, 2; 3-11
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Automated airborne LiDAR-based assessment of timber measurements for forest management
    Autorzy:
    Zaremba, M. B.
    Doyon, F.
    Senécal, J. F.
    Powiązania:
    https://bibliotekanauki.pl/articles/407435.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    forest mensuration
    lidar
    remote sensing
    terrain modeling
    tree crown
    timber volume modeling
    white pine
    Opis:
    This paper presents processing and analysis techniques to apply LiDAR data to estimate tree diameter at breast height (DBH) - a critical variable applied in a large number of forest management tasks. Our analysis focuses on the estimation of DBH using only LiDAR-derived tree height and tree crown dimensions, i.e., variables accessible from aerial observations. The modeling process was performed using 161 white and red pine trees from four 3850 m2 plots in the Foret de l'Aigle located in southwestern Quebec. Segments of the LiDAR data extracted for DBH estimation were obtained using the Individual Tree Crown (ITC) delineation method. Regression models were investigated using height as well as crown dimensions, which increased the precision of the model. This study demonstrates that DBH can be modeled to acceptable accuracy using altimetry data and automated data processing procedures and then be used in high-precision timber volume assessment.
    Źródło:
    Management and Production Engineering Review; 2012, 3, 3; 79-85
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Current view on treatment of attention deficit hyperactivity disorder in adolescents
    Autorzy:
    Cholewa, K.
    Wysokińska, O.
    Zaremba, B.
    Siwek, M.
    Jańczyk, M.
    Łopuszańska, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/1918940.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    ADHD
    methylphenidate
    adolescents
    psychotherapy
    pedagogical therapy
    Opis:
    Diagnosis of attention deficit hyperactivity disorder (ADHD) in adolescent patients may be problematic, because of the broad spectrum of symptoms. Population research display heritable character. The function of dopaminergic, adrenergic, and serotoninergic systems is disordered in different ways in patients, who suffer from this disease. Purpose: The aim of this article is to show the actual view on the treatment of attention deficit hyperactivity disorder in teenage patients.. Results: In the treatment of ADHD the most important thing is pedagogical therapy as well as cooperation of parents and medical crew. In some particular cases pharmacologic treatment should also be included in therapeutic process, which is described in this review. Methylphenidate is the most frequent drug used in the treatment and that is why we focused on the complex description of the substance. Conclusions: Teachers and the school responsible for teaching these children must adapt didactic methods to the severity of the disorder. It is valuable to conduct the drug in the therapy of teenagers whose parents ready to cooperate, always with psychiatric supervision. In the process of pharmacotherapy, it is crucial to include breaks, for example during vacations. Psychostimulants are highly addictive substances, which is why many researchers are uncertain about the routine prescription of methylphenidate.
    Źródło:
    Progress in Health Sciences; 2020, 10(2); 80-86
    2083-1617
    Pojawia się w:
    Progress in Health Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The efficacy of cognitive rehabilitation with RehaCom programme in schizophrenia patients. The role of selected genetic polymorphisms in successful cognitive rehabilitation
    Autorzy:
    Mak, M.
    Samochowiec, J.
    Tybura, P.
    Bienkowski, P.
    Karakiewicz, B.
    Zaremba-Pechmann, L.
    Mroczek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/51211.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Opis:
    Introduction. Schizophrenic patients present cognitive dysfunctions which are regarded to be one of endophenotypical markers predisposing to schizophrenia. Currently, schizophrenia can be treated as a neurodegenerative and neurodeveloping disease with genetic background. Objective. Assessment of the possible positive effect of neuropsychological rehabilitation in schizophrenia, in patients presenting cognitive dysfunctions. An additional aim was to verify the hypothesis that some genetic polymorphisms can be a prognostic factor for success in neuropsychological rehabilitation. Material and methods. 41 participants and 40 control subjects were randomly selected. Both groups had the diagnosis of paranoid schizophrenia. Cognitive functions were checked with the Wisconsin Card Sorting Test, Trail Making Test, and Stroop Test at the beginning and end of the experiment. In the research group, each patient trained with the rehabilitation programme RehaCom, whereas the control group did not receive such training. Genes COMT rs4680 and BDNF rs6265 were analysed in the genetic part of study. Results. RehaCom procedures appear to be useful in the neuropsychological rehabilitation of cognitive dysfunctions in patients diagnosed with schizophrenia. The research group showed a moderate improvement in the training programmes. Analysis of parameters obtained in the neuropsychological tests showed a slight improvement in both groups. At the present time, analysis of the polymorphisms of genes cannot be treated as a prognostic factor for the success of neuropsychological rehabilitation because statistical analyses showed few dependences with little statistical significance. Conclusions. Cognitive rehabilitation produces moderate improvement in cognitive functioning.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2013, 20, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Readout System and Data Processing for OCT Pachymetry
    Autorzy:
    Dziewiecki, M.
    Domański, G.
    Frey, W.
    Konarzewski, B.
    Kurjata, R.
    Marzec, J.
    Smolnik, A.
    Zaremba, K.
    Ziembicki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/226782.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    optical coherence tomography
    pachymetry
    optical signal detection
    Opis:
    A complete system for measurement control, signal acquisition and data processing for an OCT pachymeter is described. Moreover, dedicated data processing algorithm used for noise reduction is presented. A simple OCT scanner was built and some measurements were performed to examine the capabilities of the system.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 3; 223-230
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Time Correlated Single Photon Counting System for Optical Measurements
    Autorzy:
    Trybuła, A.
    Domański, G.
    Konarzewski, B.
    Marzec, J.
    Zaremba, K.
    Kurjata, R.
    Dziewiecki, M.
    Smolnik, A.
    Ziembicki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/226833.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    time correlated single photon counting
    photomultiplier tube
    optical techniques
    Opis:
    The high sensitivity time correlated single photon counting system (with photomultiplier tube) for biomedical measurements was designed and tested. Photon time of flight through a parafine wax phantom was modeled by Monte Carlo simulation and next measured by the device. Mean time delay introduced by a phantom is in a good agreement with simulation results. The results presented in this paper demonstrate the feasibility of measuring the optical response with the device.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 3; 301-306
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dead time measurement by two-source method – optimization of measurement time division
    Pomiar czasu martwego metodą dwóch źródeł – optymizacja podziału czasu pomiaru
    Autorzy:
    Domański, G.
    Konarzewski, B.
    Kurjata, R.
    Zaremba, K.
    Marzec, J.
    Dziewiecki, M.
    Ziembicki, M.
    Rychter, A.
    Smolik, W.
    Szabatin, R.
    Brzeski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/408834.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
    Tematy:
    dead time
    count rate
    two-source method
    czas martwy
    częstość zliczeń
    metoda dwóch źródeł
    Opis:
    The article presents the analysis of the dead time measurement using two sources for a non-paralyzable detector. It determined the optimum division of count rate measurement time between both source measurement and a single source one. Results of the work can be used to optimize dead time measurement for systems which count photons or particles.
    W artykule zaprezentowano analizę pomiaru czasu martwego detektora nieparaliżowalnego metodą dwóch źródeł. Wyznaczono optymalny podział czasu pomiaru częstości zliczeń dla pomiaru jednym i dwoma źródłami. Wyniki pracy mogą być wykorzystane do optymalizacji systemów zliczających fotony lub cząstki.
    Źródło:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2018, 8, 1; 64-66
    2083-0157
    2391-6761
    Pojawia się w:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gain prediction theory of single foil gas electron multiplier detector
    Teoria wzmocnienia jednofoliowego detektora z gazowym powielaniem elektronów
    Autorzy:
    Domański, G.
    Szabatin, R.
    Kalenik, J.
    Jaworski, A.
    Wróblewski, P.
    Smolik, W.
    Kurjata, R.
    Konarzewski, B.
    Dziewiecki, M.
    Marzec, J.
    Zaremba, K.
    Ziembicki, M.
    Rychter, A.
    Kryszyn, J.
    Brzeski, P.
    Szmidt, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/408074.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
    Tematy:
    Gas Electron Multiplier
    ionizing radiation detector
    detektor z gazowym powielaniem elektronów
    detektor promieniowania
    Opis:
    Gain prediction theory of single foil Gas Electron Multiplier detector was developed. Gas electron multiplier (GEM) detector with single foil was developed. Soft X-ray spectra with an energy of 5.9 keV emitted by the isotope Fe-55 were measured. On this basis, the dependence of gain and energy resolution from the detector voltage was determined. The simple theory of gain dependence on various detector parameters was developed. Preliminary results of the study confirmed the potential usefulness of the GEM detector as a substitute for the multiwire proportional chamber.
    Opracowano teorię wzmocnienia jednofoliowego detektora z gazowym powielaniem elektronów. Opracowano detektor z gazowym powielaniem elektronów z pojedynczą folią. Zmierzono widmo miękkiego promieniowania X, o energii 5,9 keV, emitowanego przez izotop Fe-55. Na tej podstawie wyznaczono zależność wzmocnienia i energetycznej zdolności rozdzielczej od napięcia zasilającego detektor. Opracowano prosta teorią zależności wzmocnienia od różnych parametrów detektora. Wstępne rezultaty badań potwierdzają potencjalną przydatność detektora GEM jako substytutu wielodrutowej komory proporcjonalnej.
    Źródło:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2017, 7, 1; 130-132
    2083-0157
    2391-6761
    Pojawia się w:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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