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Abstract: Augmented Reality (AR) is a trending technology that provides a live view of the real and physical environment augmented by virtual elements, enhancing the information of the scene with digital information (sound, video, graphics, text or geo-location). Its application to architecture, engineering and construction, and facility management (AEC/FM) is straightforward and can be very useful to improve the on-site work at different stages of the projects. However, one of the most important limitations of Mobile Augmented Reality (MAR) is the lack of accuracy when the screen overlays the virtual models on the real images captured by the camera. The main reasons are errors related to tracking (positioning and orientation of the mobile device) and image capture and processing (projection and distortion issues). This paper shows a new methodology to mathematically perform a quantitative evaluation, in world coordinates, of those overlaying discrepancies on the screen, obtaining the real-scale distances from any real point to the sightlines of its virtual projections for any AR application. Additionally, a new utility for filtering built-in sensor signals in mobile devices is presented: the Drift-Vibration-Threshold function (DVT), a straightforward tool to filter the drift suffered by most sensor-based tracking systems.
Autoría: GOMEZ-JAUREGUI V., MANCHADO C., DEL-CASTILLO-IGAREDA J., OTERO C.,
Fuente: Advances in Engineering Software, 2019, 127, 124-140
Editorial: Elsevier
Fecha de publicación: 01/01/2019
Nº de páginas: 16
Tipo de publicación: Artículo de Revista
DOI: 10.1016/j.advengsoft.2018.11.002
ISSN: 0965-9978,1873-5339
Url de la publicación: https://doi.org/10.1016/j.advengsoft.2018.11.002
Consultar en UCrea Leer publicación
VALENTIN GOMEZ JAUREGUI
CRISTINA MANCHADO DEL VAL
DEL CASTILLO IGAREDA, JESÚS
CESAR ANTONIO OTERO GONZALEZ
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