Now showing items 21-40 of 238

    • Generation Process of Intrinsic Images Dataset Through Physically-based Rendering 

      Rodríguez, Ignacio Moral; López, Alfonso; Jiménez-Perez, J. Roberto; Feito, Francisco R.; Ortega, Lidia; Jurado, Juan M. (The Eurographics Association, 2021)
      El problema denominado Intrinsic Image Decomposition sigue siendo un desafío por resolver en informática gráfica. Aunque el uso de arquitecturas de aprendizaje profundo supondría un avance significativo, los conjuntos de ...
    • Aplicación del motor de videojuegos Unity para la reconstrucción virtual de yacimientos arqueológicos 

      Calzado-Martínez, Alberto; García-Fernández, Ángel Luis; Ortega-Alvarado, Lidia M. (The Eurographics Association, 2021)
      En este trabajo se presenta una aplicación desarrollada para enriquecer y ampliar las técnicas actuales de registro arqueológico. Basada en una arquitectura cliente-servidor, se ha utilizado el motor de videojuegos Unity ...
    • A GPU-accelerated LiDAR Sensor for Generating Labelled Datasets 

      López, Alfonso; Anguita, Carlos Javier Ogayar; Higueruela, Francisco Ramón Feito (The Eurographics Association, 2021)
      This paper presents a GPU-based LiDAR simulator to generate large datasets of ground-truth point clouds. LiDAR technology has significantly increased its impact on academic and industrial environments. However, some of its ...
    • Intensity-Guided Exposure Correction for Indoor LiDAR Scans 

      Comino Trinidad, Marc; Andújar, Carlos; Bosch, Carles; Chica, Antonio; Munoz-Pandiella, Imanol (The Eurographics Association, 2021)
      Terrestrial Laser Scanners, also known as LiDAR, are often equipped with color cameras so that both infrared and RGB values are measured for each point sample. High-end scanners also provide panoramic High Dynamic Range ...
    • ISSIGraph: An Open Source Multi-platform C++ Tool for Rapid 2D/3D Wireframe Sketching 

      Jiménez de Parga, Carlos (The Eurographics Association, 2021)
      Rapid sketch modelling and Computer-Aided Design (CAD) initiation are increasingly demanded activities in the creative and educational areas. For this reason, this paper presents a cross-platform C++ toolkit with the aim ...
    • Neural Colorization of Laser Scans 

      Comino Trinidad, Marc; Andujar, Carlos; Bosch, Carles; Chica, Antonio; Muñoz-Pandiella, Imanol (The Eurographics Association, 2021)
      Laser scanners enable the digitization of 3D surfaces by generating a point cloud where each point sample includes an intensity (infrared reflectivity) value. Some LiDAR scanners also incorporate cameras to capture the ...
    • Synthetic Data Set Generation for the Evaluation of Image Acquisition Strategies Applied to Deep Learning Based Industrial Component Inspection Systems 

      Saiz, Fátima A.; Alfaro, Garazi; Barandiaran, Iñigo; Garcia, Sara; Carretero, M. P.; Graña, Manuel (The Eurographics Association, 2021)
      Automated visual inspection is an ongoing machine vision challenge for industry. Faced with increasingly demanding quality standards it is reasonable to address the transition from a manual inspection system to an automatic ...
    • CEIG 2021: Frontmatter 

      Ortega, Lidia M.; Chica, Antonio (Eurographics Association, 2021)
    • Smooth Transitioning Between two Walking Metaphors for Virtual Reality Applications 

      Salvetti, Isadora; Rios, Alex; Nuria, Pelechano (The Eurographics Association, 2019)
      Virtual navigation should be as similar as possible to how we move in the real world, however the limitations of hardware and physical space make this a challenging problem. Tracking natural walk is only feasible when the ...
    • Prototype of an Automatic Registration System for the Remains of Archaeological Sites 

      Ruiz, José Luis López; Alvarado, Lidia Ortega; Higueruela, Francisco Ramón Feito (The Eurographics Association, 2019)
      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 ...
    • A Virtual Reality Front-end for City Modeling 

      Rando, Eduard; Andujar, Carlos; Patow, Gustavo A. (The Eurographics Association, 2019)
      Current tools for city modeling, including those supporting procedural techniques, have a steep learning curve and require substantial user input and/or skills to create realistic 3D models of cities. In this paper we ...
    • 3D Environment Understanding in Real-time Using Input CAD Models for AR Applications 

      Rodríguez, David Jurado; Rodríguez, Juan Manuel Jurado; Alvarado, Lidia Ortega; Higueruela, Francisco Ramón Feito (The Eurographics Association, 2019)
      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 ...
    • Visiting Ancient Rome with a Serious Game 

      Galí, Carlos; Remolar, Inmaculada; Rebollo, Cristina (The Eurographics Association, 2019)
      The current rise of video games has made that different fields of research feel attracted to these new technologies in order to enhance their works and make their results more attractive. It is for this reason that so-called ...
    • Multispectral Registration, Undistortion and Tree Detection for Precision Agriculture 

      Ruiz, Alfonso López; Rodríguez, Juan Manuel Jurado; Anguita, Carlos Javier Ogayar; Higueruela, Francisco Ramón Feito (The Eurographics Association, 2019)
      Multi-lens multispectral cameras allow us to record multispectral information for a whole area of terrain, even though we may only need the vegetation data. Based on the intensity of each multispectral image we can retrieve ...
    • User-reconfigurable CAD Feature Recognition in 1- and 2-topologies with Reduction of Search Space via Geometry Filters 

      Corcho, Juan Camilo Pareja; Acosta, Oscar Mauricio Betancur; Ruiz, Oscar E.; Cadavid, Carlos (The Eurographics Association, 2019)
      In the context of Computer-Aided Design and Manufacturing, the problem of feature recognition plays a key role in the integration of systems. Until now, compromises have been reached by only using FACE-based geometric ...
    • A Voxel-based Deep Learning Approach for Point Cloud Semantic Segmentation 

      Díaz-Medina, Miguel; Fuertes-García, José Manuel; Ogayar-Anguita, Carlos Javier; Lucena, Manuel (The Eurographics Association, 2019)
      Semantic segmentation has been a research topic in computer vision for decades. This task has become a crucial challenge nowadays due to emergence of new technologies such as autonomous driving. Nonetheless, most existing ...
    • A Virtual Reality Front-End for Earthquake Simulation 

      Fita, Josep Lluis; Besuievsky, Gonzalo; Patow, Gustavo A. (The Eurographics Association, 2019)
      Virtual Reality has traditionally been used in Cultural Heritage for giving to the final user an immersive experience over recreated scenarios, which usually have been designed and focused on static environment recreation. ...
    • View-dependent Hierarchical Rendering of Massive Point Clouds through Textured Splats 

      Comino Trinidad, Marc; Calaf, Antonio Chica; Gran, Carlos Andújar (The Eurographics Association, 2019)
      Nowadays, there are multiple available range scanning technologies which can capture extremely detailed models of realworld surfaces. The result of such process is usually a set of point clouds which can contain billions ...
    • Perfect Spatial Hashing for Point-cloud-to-mesh Registration 

      Mejia-Parra, Daniel; Lalinde-Pulido, Juan; Sánchez, Jairo R.; Ruiz-Salguero, Oscar; Posada, Jorge (The Eurographics Association, 2019)
      Point-cloud-to-mesh registration estimates a rigid transformation that minimizes the distance between a point sample of a surface and a reference mesh of such a surface, both lying in different coordinate systems. ...
    • Sensitivity Analysis in Shape Optimization using Voxel Density Penalization 

      Montoya-Zapata, Diego; Acosta, Diego A.; Moreno, Aitor; Posada, Jorge; Ruiz-Salguero, Oscar (The Eurographics Association, 2019)
      Shape optimization in the context of technical design is the process by which mechanical demands (e.g. loads, stresses) govern a sequence of piece instances, which satisfy the demands, while at the same time evolving towards ...