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    Wyświetlanie 1-6 z 6
    Tytuł:
    Redundancja informacji w badaniach degradacji stanu
    Information redundancy in investigations of state degradation
    Autorzy:
    Żółtowski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2071298.pdf
    Data publikacji:
    2010
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    zmiany stanu
    redundancja
    diagnostyka techniczna
    techniki wirtualne
    automatyzacja procedur
    state change
    redundancy
    technical diagnostics
    virtual techniques
    automation of procedure
    Opis:
    W pracy przedstawiono wybrane problemy technik wirtualnych w pozyskiwaniu i przetwarzaniu informacji w zakresie diagnostycznych technologii obiektowych. Rozważania ograniczono do omówienia wybranych metod redukcji nadmiaru informacji diagnostycznej. Wskazano na istotę i znaczenie wstępnego przygotowania danych do przetwarzania. Podano podstawy metody OPTIMUM oraz SVD ukazując przykładowo ich przydatność diagnostyczną.
    Selected issues dealing with virtual techniques used in data acquisition and processing in a range of diagnostic object-oriented technologies are presented in the paper. The topic was limited to methods of excessive diagnostic information reduction. The importance of preliminary preparation of processed data is indicated. The bases of OPTIMUM and SVD methods are given and their diagnostic usefulness is shown.
    Źródło:
    Inżynieria i Aparatura Chemiczna; 2010, 5; 152-153
    0368-0827
    Pojawia się w:
    Inżynieria i Aparatura Chemiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer supported techniques in product development reducting time of its introducing to market
    Autorzy:
    Jakubowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117685.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    virtual manufacturing
    reverse engineering
    CAx techniques
    Opis:
    The necessity for quick responding to changing market conditions forces manufacturers to seek new ways of designing and implementing production facilities. One method manufacturers are quickly adopting is process modeling and simulation, often referred to as virtual manufacturing (VR). Virtual manufacturing allows engineers to view a computer-simulated version of how the final machines or processes should operate. They can eliminate process design flaws in the early stages of development, giving significant savings. The paper describes two examples of complex approach to solve typical engineering problems using advanced CAx system.
    Źródło:
    Applied Computer Science; 2007, 3, 1; 39-54
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Introduction to Virtual Phased Arrays for Beamforming Applications
    Autorzy:
    Comesaña, D. F.
    Holland, K. R.
    Escribano, D. G.
    de Bree, H. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/176345.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    beamforming
    source localization
    virtual phased arrays
    measurement techniques
    Opis:
    Sound localization problems are usually tackled by the acquisition of data from phased microphone arrays and the application of acoustic holography or beamforming algorithms. However, the number of sensors required to achieve reliable results is often prohibitive, particularly if the frequency range of interest is wide. It is shown that the number of sensors required can be reduced dramatically providing the sound field is time stationary. The use of scanning techniques such as “Scan & Paint” allows for the gathering of data across a sound field in a fast and efficient way, using a single sensor and webcam only. It is also possible to characterize the relative phase field by including an additional static microphone during the acquisition process. This paper presents the theoretical and experimental basis of the proposed method to localise sound sources using only one fixed microphone and one moving acoustic sensor. The accuracy and resolution of the method have been proven to be comparable to large microphone arrays, thus constituting the so called “virtual phased arrays”.
    Źródło:
    Archives of Acoustics; 2014, 39, 1; 81-88
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tele-healthcare and the use of virtual communication technologies in medical research and application: the future of telemedicine is now!
    Autorzy:
    Hills, W.E.
    Hills, K.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087750.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Opolski. Instytut Nauk o Zdrowiu
    Tematy:
    telemedicine
    tele-healthcare
    tele-techniques
    virtual communication technologies
    integrated
    primary care-behavioral healthcare
    mental health
    Opis:
    Contemporary world events are demonstrating the need to embrace and further develop tele-health options for assessment and delivery of biopsychosocial healthcare services. This is now possible, given advances in communication technologies allowing virtual connections of medical personnel with constituents, as well as necessary, in light of recent challenges posed by infectious conditions and growing needs for travel restrictions, social distancing, and isolation of large portions of populations. Moreover, the opportunity to virtually connect with persons through ubiquitous computer-based and handheld communication devices allows comprehensive care provision to include underserved areas, where restricted, walk-in access to brick-and-mortar establishments has long been recognized as a limiting factor in healthcare. This review examines evolving approaches of tele-healthcare, with a specific focus on telemedicine as a bridge between traditional, in-person approaches to diagnose and treat medical conditions and new healthcare opportunities developing to meet changing societal needs. The three purposes of the review are: discuss background information, with a brief look at policy and procedure guiding applications of tele-techniques in healthcare practices; identify relevant scientific studies to show the breadth of new evidence-based research for telemedicine practices; and, discuss challenges for the further development of telemedicine as healthcare systems in the United States evolve to meet current and projected healthcare needs.
    Źródło:
    Medical Science Pulse; 2020, 14, 3; 78-83
    2544-1558
    2544-1620
    Pojawia się w:
    Medical Science Pulse
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wprowadzenie do obserwacji online: warianty i ograniczenia techniki badawczej
    An introduction to the online observation: options and limitations of the technique
    Autorzy:
    Miller, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/1373758.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    qualitative research
    research techniques
    online research
    participant observation
    online observation
    virtual ethnography
    Web 2
    computer-mediated communication (CMC)
    synchronous communication
    asynchronous communication
    Opis:
    The paper presents some possibilities of using the observation technique in the virtual space of the Internet. It begins with some thoughts about the main changes of the Web and their consequences for its users as well as for the social researchers. Some main types of the qualitative online researches are also mentioned. Finally, the article focuses on the online observation – its possible types and di¬lemmas of using it in the research project.
    Źródło:
    Przegląd Socjologii Jakościowej; 2012, 8, 1; 76-97
    1733-8069
    Pojawia się w:
    Przegląd Socjologii Jakościowej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temporal analysis of adaptive face recognition
    Autorzy:
    Akhtar, Z.
    Rattani, A.
    Foresti, G. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/91602.pdf
    Data publikacji:
    2014
    Wydawca:
    Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
    Tematy:
    aging process
    facial biometrics
    virtual template synthesis
    complex 3D modelling techniques
    temporal variation
    query data
    facial representation
    facial age progression process
    Opis:
    Aging has profound effects on facial biometrics as it causes change in shape and texture. However, aging remains an under-studied problem in comparison to facial variations due to pose, illumination and expression changes. A commonly adopted solution in the state-of-the-art is the virtual template synthesis for aging and de-aging transformations involving complex 3D modelling techniques. These methods are also prone to estimation errors in the synthesis. Another viable solution is to continuously adapt the template to the temporal variation (ageing) of the query data. Though efficacy of template update procedures has been proven for expression, lightning and pose variations, the use of template update for facial aging has not received much attention so far. Therefore, this paper first analyzes the performance of existing baseline facial representations, based on local features, under ageing effect then investigates the use of template update procedures for temporal variance due to the facial age progression process. Experimental results on FGNET and MORPH aging database using commercial VeriLook face recognition engine demonstrate that continuous template updating is an effective and simple way to adapt to variations due to the aging process.
    Źródło:
    Journal of Artificial Intelligence and Soft Computing Research; 2014, 4, 4; 43-255
    2083-2567
    2449-6499
    Pojawia się w:
    Journal of Artificial Intelligence and Soft Computing Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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