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    Wyświetlanie 1-8 z 8
    Tytuł:
    Feature vector or time-series – comparison of gestures representations in automatic gesture recognition systems
    Autorzy:
    Barczewska, K.
    Wójtowicz, W.
    Moszkowski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/115720.pdf
    Data publikacji:
    2015
    Wydawca:
    Fundacja na Rzecz Młodych Naukowców
    Tematy:
    principal component analysis (PCA)
    independent component analysis (ICA)
    neural networks
    sign language
    automatic recognition
    analiza składowych głównych (PCA)
    analiza składowych niezależnych (ICA)
    sieci neuronowe
    język migowy
    automatyczne rozpoznawanie
    Opis:
    In this paper, we performed recognition of isolated sign language gestures - obtained from Australian Sign Language Database (AUSLAN) – using statistics to reduce dimensionality and neural networks to recognize patterns. We designated a set of 70 signal features to represent each gesture as a feature vector instead of a time series, used principal component analysis (PCA) and independent component analysis (ICA) to reduce dimensionality and indicate the features most relevant for gesture detection. To classify the vectors a feedforward neural network was used. The resulting accuracy of detection ranged between 61 to 87%.
    Źródło:
    Challenges of Modern Technology; 2015, 6, 1; 1-5
    2082-2863
    2353-4419
    Pojawia się w:
    Challenges of Modern Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Autocovariance and Linear Transformations of Markov Switching VARMA Processes
    Autorzy:
    Cavicchioli, Maddalena
    Powiązania:
    https://bibliotekanauki.pl/articles/2076570.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    time series
    multivariate ARMA
    state-space models
    Markovchains
    changes in regime
    autocovariance
    linear representations
    Opis:
    We study the autocovariance structure of a general Markov switching second-order stationary VARMA model. Then we give stable finite order VARMA(p∗, q∗) representations for those M-state Markov switching VARMA(p, q) processes where the observables are uncorrelated with the regime variables. This allows us to obtain sharper bounds for p∗and q∗ with respect to the ones existing in literature. Our results provide new insights into stochastic properties and facilitate statistical inference about the orders of MS-VARMA models and the underlying number of hidden states
    Źródło:
    Central European Journal of Economic Modelling and Econometrics; 2014, 4; 275-289
    2080-0886
    2080-119X
    Pojawia się w:
    Central European Journal of Economic Modelling and Econometrics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sakrament namaszczenia chorych i jego obrazowanie w sztuce zachodnioruskiej w dobie polemiki międzywyznaniowej
    The Anointing of the Sick and it’s Representations in Ruthenian Art at the Time of Interconfessional Polemic
    Autorzy:
    Gronek, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/2171219.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Supraska
    Tematy:
    sztuka ruska/ukraińska
    sztuka religijna
    ikonografia chrześcijańska
    malarstwo ikonowe
    grafika
    sakramenty
    Opis:
    Texts from the New Testament – namely Mark 6, 13 and James 5, 14-15 – witness to the apostolic origin of the sacrament of the anointing of the sick. It was already known in the first ages of Christian Church as Origen, Eusebius of Cesarea, John Chrysostom, Cyrill of Alexandria, St Hypolite, St Serapion of Thmuis write about it. The ordo of the contemporary rite was formed finally in the XIV century. At the synod of Kiev in 1640 the text of catechism was approved and most important questions concerning the liturgy and rites were solved. As a result The Great Euchologion was edited in 1646. The first images representing the sacrament appeared only in printed euchologions of which the earliest was integrated into a vignette header placed in the Euchologion of Stratin (1606). The same type of pictures appear in other editions during the whole XVII century. The possible differences concern the number of details included in the images. The sacrament is presented in most cases in liturgical books, much fewer are actual paintings – icons or frescoes. In the Ruthenian art (e.g. St’Andrew’s Church in Kiev or Holy Trinity Church in the Laure of Kiev-Pechersk), apart from the narrative images presenting the sacrament, there are also – under the influence of baroque art – the ones of symbolic (for example Euchologion edited in Pochaev in 1741) or typological nature (among others using as figure the parable of merciful Samaritan). Still in the XVII and XVIII one does not observe significant changes in the way of presenting the sacrament of anointing of the sick either in the Orthodox Church (as a result of polemic with Catholics) or in the Greek Catholic Church (as a result of Latinization): there were always seven priests administering seven unctions.
    Źródło:
    Latopisy Akademii Supraskiej; 2014, Synody Cerkwi Prawosławnej w I Rzeczypospolitej, 5; 121-143
    2082-9299
    Pojawia się w:
    Latopisy Akademii Supraskiej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wyobrażenia czasu we współczesnej poezji arabskiej na przykładzie twórczości Bulanda al-Hajadariego
    Representations of Time in the Contemporary Arabic Poetry on the Example of Works of Buland al-Haydari
    Autorzy:
    Maśko, Adrianna
    Powiązania:
    https://bibliotekanauki.pl/articles/577950.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Orientalistyczne
    Tematy:
    Arabic poetry
    Buland al-Haydari (1926–1996)
    representations of time
    objective and subjective time
    individual and social time
    Opis:
    The aim of this paper is to examine the representations of time in the works of the Iraqi poet of Kurdish origin Buland al-Haydari (1926–1996). The paper opens with a short introduction dealing with the perception of time in reality and in literature (i.e. objective and subjective time, individual and social time) as well as with an outline of representations of time in the Arabic poetry in certain historical and literary periods (pre-Islamic Arabic poetry, classical Arabic poetry, romantic Arabic poetry before the Second World War, contemporary Arabic poetry after the Second World War). The analysis of Al-Haydari’s poetry consists of three parts concerning the past, the present and the future. In each part, poems from different phases, written between the 1940s and the 1990s, were taken into consideration. Each part discusses how the tendencies prevalent in these phases (i.e. romantic, existential, committed poetry) as well as in Al-Haydari’s life (i.e. exile) and in socio-political life of the Iraqi community (i.e. dictatorship, wars) influenced the images of time in his lyrics. There are many representations of time in Al-Haydari’s poetry. It can be linear, circular, cyclical, internal and psychological, external and objective, individual and social. The past, the present and the future are depicted in his works in different, sometimes contrary ways. The past is associated with sadness and vanishing but also with happiness and childhood. The vision of the present is pessimistic in all the phases and it is featured as meaningless, overwhelming, terrifying as well as brutal. The future is sometimes represented as despairing and lost, and sometimes as carrying hope. The time in Al-Haydari’s poems seems to be an impersonal force or a personified fate. Quite often it is given human characteristics, both psychical and physical. Some of the representations of time in Al-Haydari’s works reveal similarities to those known from the pre-Islamic, classical, romantic and contemporary Arabic poetry.
    Źródło:
    Przegląd Orientalistyczny; 2014, 1-2; 43-60
    0033-2283
    Pojawia się w:
    Przegląd Orientalistyczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Exponential estimates of a class of time-delay nonlinear systems with convex representations
    Autorzy:
    Ramírez, M.
    Villafuerte, R.
    González, T.
    Bernal, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/330293.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    exponential estimate
    time delay system
    TS model
    guaranteed cost
    convex representation
    funkcja wykładnicza
    układ z opóźnieniem
    koszt gwarantowany
    Opis:
    This work introduces a novel approach to stability and stabilization of nonlinear systems with delayed multivariable inputs; it provides exponential estimates as well as a guaranteed cost of the system solutions. The result is based on an exact convex representation of the nonlinear system which allows a Lyapunov–Krasovskii functional to be applied in order to obtain sufficient conditions in the form of linear matrix inequalities. These are efficiently solved via convex optimization techniques. A real-time implementation of the developed approach on the twin rotor MIMO system is included.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2015, 25, 4; 815-826
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Русская культура как текст: диалоги со временем в творчестве Андрея Платонова и Венедикта Ерофеева
    Russian Culture as a Text: Dialogues with Time in the Work of Andrei Platonov and the Venedict Eropheev
    Autorzy:
    Shemyakina, Olga
    Gushchina, Dina
    Powiązania:
    https://bibliotekanauki.pl/articles/1374315.pdf
    Data publikacji:
    2020-06-30
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie
    Tematy:
    temporal representations in pagan culture
    temporal representations in Christian culture
    enlightenment paradigm
    image and stereotype
    identification model
    Andrey Platonov
    Venedict Erofeev
    traditional culture
    modern literary process
    Opis:
    The authors trace the functioning and interaction of cultural paradigms that determine the time of a long duration. The article discusses some mechanisms of the influence of these paradigms on the modern literary process. The focus of the authors of the article is the study of the literary process by the example of the work of Andrey Platonov and Venedikt Yerofeyev. Analyzed are the prerequisites for changing the boundaries of the dialogue with different cultures, which have become a spiritual reflection of the world-systemic connections of the modern world. The authors trace how spatial, temporal representations and ritual practices are reanimated in the imaginative world of writers, and also study the mechanisms that give rise to deep traditional layers of consciousness, such as trauma, disintegration and drama.
    Źródło:
    Przegląd Wschodnioeuropejski; 2020, XI, 1; 262-270
    2081-1128
    Pojawia się w:
    Przegląd Wschodnioeuropejski
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Complementarity of Space and Time in Distance Representations.
    Autorzy:
    Waliński, Jacek Tadeusz
    Szwedek, Aleksander
    Powiązania:
    https://bibliotekanauki.pl/books/44159700.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    Jacek Tadeusz Walinski (MA in Social Pedagogy, 1995; MA in English Philology, 1997; PhD in Linguistics, 2001) has been working with corpora in linguistic research at the University of Lodz for the past fifteen years. He was among the founding members of the PELCRA group (Polish and English Language Corpora in Research and Applications), participated in the organization of subsequent PALC conferences (Practical Applications of Language and Computers), and was involved in the creation of the National Corpus of Polish (NKJP). Since 2011 he has become increasingly involved in studying time and temporality in language and cognition within a corpus-based cognitive framework in the European COST Action TD0904 project, Time In MEntaL activitY (TIMELY). Same outcomes of his research in that field are presented in this volume. His academic interests include also applications of ICT and mobile technology in foreign language teaching. This book presents a cognitive linguistic study of distance representations carried out using the British National Corpus and the National Corpus of Polish. Corpusbased examination of linguistic expressions of spatial expanse in the semantic context of motion events suggests that as language users we are at certain liberty to choose either spatial or temporal conceptualization of distance according to what suits our subjective profiling needs relevant to a particular situation. From the perspective of research presented in this book, the entanglement of time and space in cognition is a rabbit hole phenomenon that runs deep beyond the ties that bind space to time in motion, on the one hand, and the socio-cultural sedimentation of meaning through commonly used phraseology, on the other. It appears to hinge on a higher-order ontological and epistemological distinction between objects and events, which may influence our spatial-temporal reasoning. Additionally, this book demonstrates a cognitive schema of temporaI horizon emergent from the frequency of expressions denoting temporaI distance found in spontaneous informal conversations. Taken together the research presented in this volume indicates that, at least in certain contexts, space and time can act in a complementary manner in cognition.
    Dostawca treści:
    Biblioteka Nauki
    Książka
    Tytuł:
    Representations of a free group of rank two by time-varying Mealy automata
    Autorzy:
    Woryna, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/729091.pdf
    Data publikacji:
    2005
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
    Tematy:
    changing alphabet
    Mealy automaton
    time-varying automaton
    group generated by time-varying automaton
    free group
    Opis:
    In the group theory various representations of free groups are used. A representation of a free group of rank two by the so-calledtime-varying Mealy automata over the changing alphabet is given. Two different constructions of such automata are presented.
    Źródło:
    Discussiones Mathematicae - General Algebra and Applications; 2005, 25, 1; 119-134
    1509-9415
    Pojawia się w:
    Discussiones Mathematicae - General Algebra and Applications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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