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    Wyświetlanie 1-7 z 7
    Tytuł:
    The Use of Speech Technology in Foreign Language Pronunciation Training
    Autorzy:
    Demenko, G.
    Wagner, A.
    Cylwik, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/177932.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    speech technology
    pronunciation training
    feedback
    phonetic-acoustic databases
    multimedia tools
    Opis:
    In recent years the application of computer software to the learning process has been found to be an indisputably effective tool supporting the traditional teaching methods. Particular focus has been put on the application of techniques based on speech and language processing to the second language learning. Most of the commercial self-study programs, however, do not allow for introduction of an individualized learning course by the teacher and to concentrate on segmental features only. The paper discusses the use of speech technology in the training of foreign languages’ pronunciation and prosody and defines pedagogical requirements for an effective training with CAPT systems. In this context, steps taken in the development of the intelligent tutoring system AzAR3.0 (German ‘Automat for accent reduction’) in the scope of the Euronounce project (Cylwik et al., 2008) are described with the focus on creation of the linguistic content. In response to the European Union’s call for promoting less widely spoken languages, the project focuses on German as a target language for native speakers of Polish, Slovak, Czech, and Russian, and vice versa. The paper presents the design of the speech corpus for the purpose of the tutoring system and the analysis of pronunciation errors. The results of the latter provide information which is important for Automatic Speech Recognition (ASR) training on the one hand, and for automatic error detection and feedback generation on the other hand. In the end, Pitch Line software for implementation in the prosody visualization and training module of AzAR3.0 tutoring system is described.
    Źródło:
    Archives of Acoustics; 2010, 35, 3; 309-329
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Energy-Efficient Routing Based on Dynamic Programming for Wireless Multimedia Sensor Networks (WMSNs)
    Autorzy:
    Putra, E. H.
    Hidayat, R.
    Widyawan, -
    Mustika, I. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/963818.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    wireless multimedia sensor networks (WMSNs)
    energy efficient routing
    optimization
    dynamic programming
    Opis:
    Wireless Multimedia Sensor Networks (WMSNs) advances can route multimedia applications from source nodes to a sink. However, they require energy efficiency and network lifetime due to limited power resources in the sensor nodes. This paper proposes an energy-efficient routing optimization for multimedia transmission in WMSNs. The optimization utilizes a routing algorithm based on the dynamic programming. The routing optimization algorithm selects intermediary nodes which have minimum energy above 60%. Then, the priority selection of paths immediately finds neighboring nodes which have the greatest energy minimum. If there is the same minimum energy between the neighboring nodes, then the second priority selection is based on smaller link cost.
    Źródło:
    International Journal of Electronics and Telecommunications; 2017, 63, 3; 279-283
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Communications, Multimedia, Ontology, Photonics and Internet Engineering 2012
    Autorzy:
    Romaniuk, R. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/226296.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    photonics
    optical fibers
    optoelectronics
    communications
    multimedia
    cryptography
    virtual worlds
    ontology of information systems
    Opis:
    Wilga Symposium gathers two times a year, together around 300 young scientists active in advanced photonics, electronics and software systems, including Internet engineering. May 2012 marked a jubilee XXXth meeting in Wilga Resort. There were presented over 250 papers from nearly all technical universities in this country. The organizers present here a research survey of the WILGA Symposium work. Also a digest of chosen Wilga references is presented [1]-[39]. This paper is the second part of a concise review digest focused on optoelectronics, communications, multimedia and ontology of information technologies.
    Źródło:
    International Journal of Electronics and Telecommunications; 2012, 58, 4; 463-478
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multimedia integration of cartographic source materials for researching and presenting phenomena from economic history
    Autorzy:
    Lorek, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/145507.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    stare mapy
    historia gospodarcza
    wizualizacja
    old maps
    economic history
    multimedia integration
    multi-perspective visualisation
    Opis:
    The article presents a framework for integrating historical sources with elements of the geographical space recorded in unique cartographic materials. The aim of the project was to elaborate a method of integrating spatial data sources that would facilitate studying and presenting the phenomena of economic history. The proposed methodology for multimedia integration of old materials made it possible to demonstrate the successive stages of the transformation which was characteristic of the 19th-century space. The point of reference for this process of integrating information was topographic maps from the first half of the 19th century, while the research area comprised the castle complex in Kórnik together with the small town – the pre-industrial landscape in Wielkopolska (Greater Poland). On the basis of map and plan transformation, graphic processing of the scans of old drawings, texture mapping of the facades of historic buildings, and a 360° panorama, the source material collected was integrated. The final product was a few-minute-long video, composed of nine sequences. It captures the changing form of the castle building together with its facades, the castle park, and its further topographic and urban surroundings, since the beginning of the 19th century till the present day. For a topographic map sheet dating back to the first half of the 19th century, in which the hachuring method had been used to present land relief, a terrain model was generated. The transition from parallel to bird’s-eye-view perspective served to demonstrate the distinctive character of the pre-industrial landscape.
    Źródło:
    Geodesy and Cartography; 2016, 65, 2; 271-281
    2080-6736
    2300-2581
    Pojawia się w:
    Geodesy and Cartography
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of multimedia applications in a cluster-oriented environment
    Autorzy:
    Czarnul, P.
    Dziubich, T.
    Krawczyk, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/220601.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    quality measurements
    software quality
    quality model and measures
    parallel computing
    distributed middleware
    multimedia applications
    Opis:
    In the age of Information and Communication Technology (ICT), Web and the Internet have changed significantly the way applications are developed, deployed and used. One of recent trends is modern design of web-applications based on SOA. This process is based on the composition of existing web services into a single scenario from the point of view of a particular user or client. This allows IT companies to shorten the producttime to market process. On the other hand, it raises questions about the quality of the application, trade-offs between quality factors and attributes and measurements of these. Services are usually hosted and executed in an environment managed by its provider that assures the quality attributes such as availability or throughput. Therefore, in this paper an attempt has been made to perform quality measurements towards the creation of efficient, dependable and user-oriented Web applications. First, the process of designing service-based applications is described. Next, metrics for subsequent measurements of efficiency, dependability and usability of distributed applications are presented. These metrics will assess the efforts and trade-offs in a Web-based application development. As examples, we describe a pair of multimedia applications which we have developed in our department and executed in a cluster-based environment. One of them runs in the BeesyCluster middleware and the second one in the Kaskada platform. For these applications we present results of measurements and conclude about relations between quality attributes in the presented application development model. This knowledge can be used to reason about such relations for new similar applications and be used in rapid and quality development of the latter.
    Źródło:
    Metrology and Measurement Systems; 2012, 19, 2; 177-190
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electronic and Photonic Systems WILGA 2014
    Autorzy:
    Romaniuk, R. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/226250.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electronic and photonic systems
    astronomy
    space and satellite technologies
    computational intelligence
    visualization
    multimedia
    large research experiments
    Opis:
    Symposium Wilga 2014, in its 34th edition, was organized during the last week of May. Symposium is organized under the auspices of SPIE, IEEE, Photonics Society of Poland, WEiTI PW, and PKOpto SEP. The event gathered around 350 persons, mainly young researchers from the whole country. There were presented around 250 speeches and communications. The main book of Symposium Proceedings is Proc. SPIE vol.9290 which contains around 130 papers. A few tens of papers were also published in technical journals. The leading topics of Wilga 2014 were gathered in key sessions: nano-materials for photonics and electronics, astronomy and space technology, biomedicine, computational intelligence, visualization and multimedia, and large research experiments. The paper presents a digest of some topical tracks, and chosen work results presented during WILGA 2014 Symposium.
    Źródło:
    International Journal of Electronics and Telecommunications; 2014, 60, 3; 271-276
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cartographic sign as a core of multimedia map prepared by non-cartographers in free map services
    Znak kartograficzny jako spoiwo multimedialnej mapy opracowanej przez nie-kartografa w serwisach mapowych
    Autorzy:
    Medyńska-Gulij, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/145491.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    znak kartograficzny
    mapa multimedialna
    serwis mapowy
    cartographic sign
    non-cartographer
    legend on web-map
    multimedia map
    map services
    Opis:
    The fundamental importance of cartographic signs in traditional maps is unquestionable, although in the case of multimedia maps their key function is not so obvious. Our aim was to search the problem of cartographic signs as a core of multimedia maps prepared by non-cartographer in on-line Map Services. First, preestablished rules for multimedia map designers were prepared emphasizing the key role of the cartographic signs and habits of Web-users. The comparison of projects completed by a group of designers led us to the general conclusion that a cartographic sign should determine the design of a multimedia map in on-line Map Services. Despite the selection of five different map topics, one may list the general characteristics of the maps with a cartographic sign in the core.
    Fundamentalne znaczenie znaków kartograficznych na tradycyjnej mapie nie budzi wątpliwości, jednak w przypadku multimedialnej mapy ich kluczowa funkcja nie jest już tak oczywista. W tych badaniach podjęto problem znaczenia znaku kartograficznego jako spoiwa mapy multimedialnej opracowanej przez nie-kartografa w darmowych serwisach mapowych. Zadaniem dla projektujących mapy stało się opracowanie mapy multimedialnej według ustalonych wstępnie zasad, w której kluczową rolę odgrywały znaki kartograficzne oraz przyzwyczajenia użytkowników Internetu. Porównanie wypełnionych arkuszy zadań przez uczestników badań skłania do wyciągnięcia generalnego wniosku, że znak kartograficzny powinien determinować projektowanie multimedialnej mapy w serwisach mapowych on-line. Pomimo opracowania pięciu różnych tematów map, można wymienić ogólne charakterystyki map, w których znak kartograficzny jest spoiwem.
    Źródło:
    Geodesy and Cartography; 2014, 63, 1; 55-64
    2080-6736
    2300-2581
    Pojawia się w:
    Geodesy and Cartography
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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