Browsing by Author "Alvarado, Lidia Ortega"

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    3D Environment Understanding in Real-time Using Input CAD Models for AR Applications
    (The Eurographics Association, 2019) Rodríguez, David Jurado; Rodríguez, Juan Manuel Jurado; Alvarado, Lidia Ortega; Higueruela, Francisco Ramón Feito; Casas, Dan and Jarabo, Adrián
    The automatic recognition of real environments has become a relevant issue for multiple purposes in computer graphics, computer vision and artificial intelligence. In this work, we focus on environment understanding according to input CAD models for an Augmented Reality (AR) application. We provide a novel solution for the management of building infrastructures in indoor spaces. The use case has been the University of Jaén to visualize correctly their service facilites from AR. To this end, firstly, the CAD models (2D) have been segmented in order to simplify its geometry. As a result, an efficient data structure has been created for real-time alignement to scanned data. Secondly, we have developed a mobile application based on ARCore library to capture and generate 3D planes of the user environment. Finally, we have carried out a method to align automatically the virtual elements such as walls, doors and grounds to the real world. The main objective of this research is to calculate the needed geometric transformations of virtual elements and thus, to achieve a correct overlappping with the real world by understanding their physical and spatial constraints in real time.
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    Prototype of an Automatic Registration System for the Remains of Archaeological Sites
    (The Eurographics Association, 2019) Ruiz, José Luis López; Alvarado, Lidia Ortega; Higueruela, Francisco Ramón Feito; Casas, Dan and Jarabo, Adrián
    Data acquisition in archaeological excavations is a time consuming task developed on site that must be completed later with the information stored in the database. In this paper, we introduce the work in progress for the automatic data acquisition and record of artifacts on the archaeological site. The shape of the object is recognized automatically and converted to vectorial format. Then, if this contour is recognized as object of interest, the initial shape and specific position is registered and inserted in a spatial database. In this process, some techniques associated to Augmented Reality and boundary detection are used.