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    Wyświetlanie 1-7 z 7
    Tytuł:
    Adaptive and precise peak detection algorithm for fibre Bragg grating using generative adversarial network
    Autorzy:
    Kumar, Sunil
    Sengupta, Somnath
    Powiązania:
    https://bibliotekanauki.pl/articles/2174853.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
    Tematy:
    Fibre Bragg grating
    generative model
    discriminative model
    loss function
    Opis:
    An adaptive and precise peak wavelength detection algorithm for fibre Bragg grating using generative adversarial network is proposed. The algorithm consists of generative model and discriminative model. The generative model generates a synthetic signal and is sampled for training using a deep neural network. The discriminative model predicts the real fibre Bragg grating signal by the calculation of the loss functions. The maxima of loss function of the discriminative signal and the minima of loss function of the generative signal are matched and the desired peak wavelength of fibre Bragg grating is determined. The proposed algorithm is verified theoretically and experimentally for a single fibre Bragg grating peak. The accuracy has been obtained as ±0.2 pm. The proposed algorithm is adaptive in the sense that any random fibre Bragg grating peak can be identified within a short wavelength range.
    Źródło:
    Opto-Electronics Review; 2022, 30, 4; art. no. e144227
    1230-3402
    Pojawia się w:
    Opto-Electronics Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Role of 5-hydroxytryptamine 1B receptors and 5-hydroxytryptamine uptake inhibition in the cocaine-evoked discriminative stimulus effects in rats
    Autorzy:
    Filip, M.
    Nowak, E.
    Papla, I.
    Przegalinski, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/70612.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    discriminative stimulus effect
    dopamine
    5-hydroxy tryptamine 1B receptor
    cocaine
    rodent
    neurotransmission
    rat
    Źródło:
    Journal of Physiology and Pharmacology; 2001, 52, 2
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The application of computer image analysis based on textural features for the identification of barley kernels infected with fungi of the genus Fusarium
    Zastosowanie komputerowej analizy obrazu opartej o cechy teksturalne do identyfikacji ziarniaków jęczmienia porażonych przez grzyby z rodzaju Fusarium
    Autorzy:
    Ropelewska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/93918.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Rolniczej
    Tematy:
    barley kernels
    fungal infections
    textures
    discriminative classifiers
    ziarniaki jęczmienia
    infekcja grzybowa
    tekstura
    klasyfikatory dyskryminujące
    Opis:
    The aim of this study was to develop discrimination models based on textural features for the identification of barley kernels infected with fungi of the genus Fusarium and healthy kernels. Infected barley kernels with altered shape and discoloration and healthy barley kernels were scanned. Textures were computed using MaZda software. The kernels were classified as infected and healthy with the use of the WEKA application. In the case of RGB, Lab and XYZ color models, the classification accuracies based on 10 selected textures with the highest discriminative power ranged from 95 to 100%. The lowest result (95%) was noted in XYZ color model and Multi Class Classifier for the textures selected using the Ranker method and the OneR attribute evaluator. Selected classifiers were characterized by 100% accuracy in the case of all color models and selection methods. The highest number of 100% results was obtained for the Lab color model with Naive Bayes, LDA, IBk, Multi Class Classifier and J48 classifiers in the Best First selection method with the CFS subset evaluator.
    Celem pracy było opracowanie modeli dyskryminacyjnych opartych o cechy teksturalne do identyfikacji ziarniaków jęczmienia porażonych przez grzyby z rodzaju Fusarium oraz ziarniaków zdrowych. Porażone ziarniaki jęczmienia o zmienionym kształcie i z przebarwieniami oraz zdrowe ziarniaki jęczmienia zostały zeskanowane. Tekstury zostały obliczone przy użyciu programu MaZda. Ziarniaki były klasyfikowane jako porażone i zdrowe z wykorzystaniem oprogramowania WEKA. W przypadku modeli barwnych RGB, Lab i XYZ, dokładność klasyfikacji w oparciu o 10 wyselekcjonowanych tekstur o największej mocy dyskryminacyjnej zawierała się w przedziale od 95 do 100%. Najmniejszy wynik (95%) odnotowano dla modelu barwnego XYZ i Multi Class Classifier dla tekstur wyselekcjonowanych za pomocą metody Ranker i ewaluatora atrybutów OneR. Wybrane klasyfikatory charakteryzowały się dokładnością 100% w przypadku wszystkich modeli barwnych i metod selekcji. Najwięcej wyników 100% uzyskano dla modelu barwnego Lab dla klasyfikatorów: Naive Bayes, LDA, IBk, Multi Class Classifier i J48 dla metody selekcji Best First z ewaluatorem CFS.
    Źródło:
    Agricultural Engineering; 2018, 22, 3; 49-56
    2083-1587
    Pojawia się w:
    Agricultural Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the going concern value of a business entity by means of selected discriminative models
    Autorzy:
    Wójcik-Jurkiewicz, Magdalena
    Karczewska, Monika
    Powiązania:
    https://bibliotekanauki.pl/articles/2033095.pdf
    Data publikacji:
    2019-04-30
    Wydawca:
    Wyższa Szkoła Finansów i Prawa w Bielsku-Białej
    Tematy:
    generally accepted accounting principles
    the ongoing-concern principle
    threats to the ongoing concern
    models of discriminative analysis
    Opis:
    The issue of evaluation of a business as an ongoing concern is frequently explored in accounting science and practice. Despite this fact, however, the authors managed to identify an interesting research gap i.e. the possibility to apply discriminative analysis to detect threats for the ongoing concern. The research hypothesis assumed and defended by the authors is that the ongoing concern principle on long term basis can only be verified by means of discriminative analysis models. For the purposes of the paper the authors applied the following research methods: the analysis method, the deduction method, the analysis of literature on the subject matter as well as national and international regulations. As the result of the conducted research, the authors identified factors for evaluation of ongoing concern and presented sample applications of discriminative analysis for assessing the chances of businesses to operate in the future. The paper is of cognitive and practical nature especially with respect to the ongoing concern and to the usefulness of collected data for development of businesses. Additionally, the authors point to vital threats that may impact the decision taking processes regarding continuation of business activity.
    Źródło:
    Zeszyty Naukowe Wyższej Szkoły Finansów i Prawa w Bielsku-Białej; 2019, 1; 53-60
    2084-1809
    Pojawia się w:
    Zeszyty Naukowe Wyższej Szkoły Finansów i Prawa w Bielsku-Białej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of correlation based dimension reduction methods
    Autorzy:
    Shin, Y. J.
    Park, C. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/907508.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    analiza korelacyjna
    redukcja wymiaru
    liniowa analiza dyskryminacji
    canonical correlation analysis
    dimension reduction
    discriminative canonical correlation analysis
    linear discriminant analysis
    Opis:
    Dimension reduction is an important topic in data mining and machine learning. Especially dimension reduction combined with feature fusion is an effective preprocessing step when the data are described by multiple feature sets. Canonical Correlation Analysis (CCA) and Discriminative Canonical Correlation Analysis (DCCA) are feature fusion methods based on correlation. However, they are different in that DCCA is a supervised method utilizing class label information, while CCA is an unsupervised method. It has been shown that the classification performance of DCCA is superior to that of CCA due to the discriminative power using class label information. On the other hand, Linear Discriminant Analysis (LDA) is a supervised dimension reduction method and it is known as a special case of CCA. In this paper, we analyze the relationship between DCCA and LDA, showing that the projective directions by DCCA are equal to the ones obtained from LDA with respect to an orthogonal transformation. Using the relation with LDA, we propose a new method that can enhance the performance of DCCA. The experimental results show that the proposed method exhibits better classification performance than the original DCCA.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2011, 21, 3; 549-558
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evolutionary Algorithm for Particle Trajectory Reconstruction within Inhomogeneous Magnetic Field in the NA61/SHINE Experiment at CERN SPS
    Autorzy:
    Wyszyński, Oskar
    Powiązania:
    https://bibliotekanauki.pl/articles/1373697.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    tracking
    event
    reconstruction
    particle
    high
    energy
    physics
    HEP
    NA61
    SHINE
    CERN
    TPC
    magnetic
    field
    CMA
    evolutionary
    strategy
    bayes
    generative
    discriminative
    Opis:
    In this paper, a novel probabilistic tracking method is proposed. It combines two competing models: (i) a discriminative one for background classification; and (ii) a generative one as a track model. The model competition, along with a combinatorial data association, shows good signal and background noise separation. Furthermore, a stochastic and derivative-free method is used for parameter optimization by means of the Covariance Matrix Adaptation Evolutionary Strategy (CMA-ES). Finally, the applicability and performance of the particle trajectories reconstruction are shown. The algorithm is developed for NA61/SHINE data reconstruction purpose and therefore the method was tested on simulation data of the NA61/SHINE experiment.
    Źródło:
    Schedae Informaticae; 2015, 24; 159-177
    0860-0295
    2083-8476
    Pojawia się w:
    Schedae Informaticae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aristotelian-Thomistic Teleological Behavioral Psychology Reconstruction
    Autorzy:
    McVey, William
    Powiązania:
    https://bibliotekanauki.pl/articles/507624.pdf
    Data publikacji:
    2018-06-30
    Wydawca:
    International Étienne Gilson Society
    Tematy:
    rational psychology
    teleological behaviorism
    trading zone
    introspection
    experimental psychology
    behavioral reconstruction
    identity theory
    pleasure and passionate behavior
    overt behavior
    insight-outsight behavior
    habits of behavioral intensity
    discriminative stimulus
    narrow behavioral causality
    wide behavioral causality
    Opis:
    The article is based on Robert Kugelmann’s work, Psychology and Catholicism: Contested Boundaries. It examines the development of Catholic psychology as a history of defining boundaries within scientific empirical psychology from 1829 to the present. The author divides the historical period into three periods: One: Neoscholastic Rational Psychology (1829–1965); Two: After Vatican II Psychology (1965 to present); and Three: An Emerging Thomistic Rational Teleological Behavioral Psychology. The essay examines the development of Neoscholastic rational psychology as a response to modernist experimental psychology. The neoscholastic movement approached the new discipline of empirical, as opposed to rational, psychology with the firm conviction in the formulation of a meta-psychology, based on a Thomistic metaphysics that would allow for an eventual synthesis of rational and empirical psychology. However, a synthesis with empirical psychology never came to realization, mainly over the issue of the faculties of the soul as foundational for a science of human behavior. The author argues that, even to the present day, the best approach to entering into a trading zone (transitional genus) with the principles and methods of scientific psychology is by avoiding all expressions of past, present, and future introspective psychology and brain mentalism, and turning to a synthesis with teleological behavioral principles and Aristotelian-Thomistic faculties of the soul psychology.
    Źródło:
    Studia Gilsoniana; 2018, 7, 2; 201-236
    2300-0066
    Pojawia się w:
    Studia Gilsoniana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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