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    Wyświetlanie 1-8 z 8
    Tytuł:
    Natural User Interface for Education in Virtual Environments
    Autorzy:
    Stavrev, Stefan
    Powiązania:
    https://bibliotekanauki.pl/articles/682893.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    simulators
    virtual environments
    3D environment
    serious gaming
    sensors
    education with Kinect
    Opis:
    Education and self-improvement are key features of human behavior. However, learning in the physical world is not always desirable or achievable. That is how simulators came to be. There are domains where purely virtual simulators can be created in contrast to physical ones. In this research we present a novel environment for learning, using a natural user interface. We, humans, are not designed to operate and manipulate objects via keyboard, mouse or a controller. The natural way of interaction and communication is achieved through our actuators (hands and feet) and our sensors (hearing, vision, touch, smell and taste). That is the reason why it makes more sense to use sensors that can track our skeletal movements, are able to estimate our pose, and interpret our gestures. After acquiring and processing the desired – natural input, a system can analyze and translate those gestures into movement signals.
    Źródło:
    Replay. The Polish Journal of Game Studies; 2016, 3, 1; 67-80
    2391-8551
    2449-8394
    Pojawia się w:
    Replay. The Polish Journal of Game Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Grade impact investigation during stopping sight distance determination on 3D road environment
    Autorzy:
    Mavromatis, Stergios
    Matragos, Vassilios
    Powiązania:
    https://bibliotekanauki.pl/articles/2141132.pdf
    Data publikacji:
    2021
    Wydawca:
    Fundacja Centrum Badań Socjologicznych
    Tematy:
    stopping sight distance
    3D road environment
    grade
    Opis:
    In the present research, Stopping Sight Distance (SSD) adequacy is assessed through a three-dimensional approach, which associates road visibility in terms of grade effect. SSD adequacy is controlled through the difference between the available and the required SSD. The research is focused on a right turned, two lane rural road, associated with a crest vertical curve for a given speed value. The road design is in accordance with the Greek Road Design Guidelines (OMOE-X, 2001) by utilizing the control design parameters for a design speed of 80km/h and a wide range of grade values, where the vertex point of the crest vertical curve is positioned at fixed points along the road axis. The investigation is based on a vehicle speed exceeding the design speed by 20km/h. In total 1874 cases of compound alignments were examined and the results revealed that the available sight distance is decreasing while grade increases. The vehicle speed on the tangent sections was proved unacceptable in terms of providing SSD adequacy. However, it was found that SSD adequacy is granted when the vertical vertex falls inside the circular arc of the curve’s horizontal alignment, while the optimum area is defined shortly before the horizontal vertex point.
    Źródło:
    Journal of Sustainable Development of Transport and Logistics; 2021, 6, 1; 72-80
    2520-2979
    Pojawia się w:
    Journal of Sustainable Development of Transport and Logistics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Literature review on emissions from additive manufacturing by FDM method and their impact on human health
    Autorzy:
    Karwasz, Anna
    Osiński, Filip
    Powiązania:
    https://bibliotekanauki.pl/articles/407089.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    FDM
    3d printing
    emissions
    pollution
    environment
    health
    Opis:
    Additive manufacturing in recent years has become one of the fastest growing technologies. The increasing availability of 3D printing devices means that every year more and more devices of this type are found in the homes of ordinary people. Unfortunately, air pollution is formed during the process. Their main types include Ultra Fine Particles (UFP) and Volatile Compounds (VOC). In the event of air flow restriction, these substances can accumulate in the room and then enter the organisms of people staying there. The article presents the main substances that have been identified in various studies available in literature. Health aspects and potential threats related to inhalation of substances contained in dusts and gases generated during the process are shown, taking into account the division into individual types of printing materials. The article also presents the differences between the research results for 3d printing from individual plastics among different authors and describes possible causes of discrepancies.
    Źródło:
    Management and Production Engineering Review; 2020, 11, 3; 65-73
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of 3D scanning for the creation of 3d models suitable for immersive virtual reality
    Autorzy:
    Matys, Marian
    Krajčovič, Martin
    Gabajová, Gabriela
    Powiązania:
    https://bibliotekanauki.pl/articles/37178093.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Zarządzania Produkcją
    Tematy:
    3D scanning
    3D model
    virtual reality
    immersive virtual environment
    skanowanie 3D
    model 3D
    rzeczywistość wirtualna
    środowisko wirtualne zanurzeniowe
    Opis:
    Finding a suitable method of 3D model creation for a specific task is becoming more important with the rapid spread of digitalization. This paper deals with the use of 3D scanning as a method of creating 3D models for immersive virtual reality applications. A methodology is presented that covers all the steps, from initial object selection to importing a scanned 3D model into a virtual reality environment. Various objects were selected and scanned to test this methodology and its utilization potential. Finally, the paper evaluates the potential utilization of this methodology for immersive virtual reality applications for education and various methods of industrial engineering.
    Źródło:
    Zarządzanie Przedsiębiorstwem; 2023, 26, 1; 12-18
    1643-4773
    Pojawia się w:
    Zarządzanie Przedsiębiorstwem
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Digitalizacja świata realnego na potrzeby tworzenia wirtualnej rzeczywistości w architekturze
    Digitization of the real world for the purposes of creating virtual reality in architecture
    Autorzy:
    Szuliński, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2064157.pdf
    Data publikacji:
    2022
    Wydawca:
    PWB MEDIA Zdziebłowski
    Tematy:
    rzeczywistość wirtualna
    fotogrametria
    skanowanie 3D
    środowisko zbudowane
    środowisko wirtualne
    virtual reality
    photogrammetry
    3D scan
    built environment
    virtual environment
    Opis:
    W niniejszym artykule autor stara się odpowiedzieć na pytania dotyczące jak najlepszego sposobu jakościowego realistycznego odtworzenia elementów rzeczywistych, takich jak budynki, małe budynki oraz detale architektoniczne gliwickiego budownictwa. Poruszona została reprezentacja świata wirtualnego jako model 3D. Ponadto wykonywanie modeli architektonicznych autor porównuje z dotychczasowymi metodami studentów w ramach fakultetu na Wydziale Architektury. Ma to na celu poprawę jakości koncepcji i ustalenie metodologii tworzenia modeli do oświetlania modelu w wirtualnie skonstruowanym środowisku. Aplikacje oraz urządzenia będą wykorzystywane przez autora do porównania efektów końcowych.
    In this article, the author will try to answer the question of how to best reproduce an element of the real world, for example, a building or small architecture, and an architectural detail of the Architectural Department in Gliwice, real in terms of quality, and its representation in the virtual world as a 3D model. There will also be a comparison of the execution of the building model in relation to the methods used so far by students of the Faculty of Architecture as part of the Architecture and Lighting Faculty. This is to improve the quality of the concept and to create a methodology for creating models to illuminate them in a virtual built environment. Applications and devices will be used for comparison by the author.
    Źródło:
    Builder; 2022, 26, 3; 86--88
    1896-0642
    Pojawia się w:
    Builder
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using the 3D computer scanning method in the environmental impact assessment
    Autorzy:
    Heldak, M.
    Szczepanski, J.
    Patrzalek, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/59793.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    3D computer scanning method
    environmental impact assessment
    spatial policy
    3D visualization
    sewage treatment
    environment protection
    Opis:
    This article presents the possibilities of using computer scanning to design a location for a sewage treatment plan taking into account its impact on the landscape. The activities undertaken could constitute a part of the proceedings carried out in performing environmental impact assessments. Completion of the goal requires literary studies and the analysis of interdisciplinary studies, including planning, land and academic research. The research has been divided into several parts, of which the first one concerns, among other things, the analysis of the value of the natural environment in a given area and analysis of the planning documents in place. The land research consists of scanning the area for the sewage treatment plant using the 3D method. The collected data will constitute the basis for the possibility of using computer scanning to visualise the development in an area of high landscape value.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2012, 1/IV
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of a non-uniform land surface on the radiation environment over an Arctic fjord – a study with a 3D radiative transfer model for stratus clouds over the Hornsund fjord, Spitsbergen
    Autorzy:
    Rozwadowska, A.
    Gorecka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/48474.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Monte Carlo model
    3D radiative transfer model
    solar radiation
    spatial variability
    Hornsund
    Spitsbergen
    Arctic fjord
    coastal environment
    climate change
    Źródło:
    Oceanologia; 2012, 54, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of optical properties of infitec and active stereo stereoscopic techniques for CAVE-type virtual reality systems
    Autorzy:
    Mazikowski, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/220625.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    virtual reality
    projection systems
    cave automatic virtual environment
    Active Stereo projection
    projection of spectrum separation
    Immersive 3D Visualization Laboratory
    Opis:
    In recent years, many scientific and industrial centres in the world developed virtual reality systems or laboratories. At present, among the most advanced virtual reality systems are CAVE-type (Cave Automatic Virtual Environment) installations. Such systems usually consist of four, five, or six projection screens arranged in the form of a closed or hemi-closed space. The basic task of such systems is to ensure the effect of user “immersion” in the surrounding environment. The effect of user “immersion” into virtual reality in such systems is largely dependent on optical properties of the system, especially on quality of projection of three-dimensional images. In this paper, techniques of projection of three-dimensional (3D) images in CAVE-type virtual reality systems are analysed. The requirements of these techniques for such virtual reality systems are outlined. Based on the results of measurements performed in a unique CAVE-type virtual reality laboratory equipped with two different 3D projection techniques, named Immersive 3D Visualization Lab (I3DVL), that was recently opened at the Gdańsk University of Technology, the stereoscopic parameters and colour gamut of Infitec and Active Stereo stereoscopic projection techniques are examined and discussed. The obtained results enable to estimate the projection system quality for application in CAVE-type virtual reality installations.
    Źródło:
    Metrology and Measurement Systems; 2019, 26, 1; 139-151
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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