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 Antoni Chica

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Average citations per article1.45
Citation Count16
Publication count11
Publication years2005-2017
Available for download2
Average downloads per article384.00
Downloads (cumulative)768
Downloads (12 Months)33
Downloads (6 Weeks)9
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June 2017 The Visual Computer: International Journal of Computer Graphics: Volume 33 Issue 6-8, June 2017
Publisher: Springer-Verlag New York, Inc.
Citation Count: 0

We present an efficient method for generating coherent multi-layer landscapes. We use a dictionary built from exemplars to synthesize high-resolution fully featured terrains from input low-resolution elevation data. Our example-based method consists in analyzing real-world terrain examples and learning the procedural rules directly from these inputs. We take into account ...
Keywords: Example-based modeling, Coherent multi-layer landscapes, Dictionary matching

April 2017 Computer Vision and Image Understanding: Volume 157 Issue C, April 2017
Publisher: Elsevier Science Inc.
Citation Count: 0

An error-aware robust estimation of the normal vectors for noisy point clouds.A panorama-based 3D representation for gigantic point clouds.An efficient algorithm for interactive navigation of gigantic point clouds. Obtaining 3D realistic models of urban scenes from accurate range data is nowadays an important research topic, with applications in a variety ...
Keywords: Error-aware reconstruction, Interactive inspection, Range data, Compression, 3D reconstruction, Massive point clouds, Panoramas

June 2016 Computers and Graphics: Volume 57 Issue C, June 2016
Publisher: Pergamon Press, Inc.
Citation Count: 0

State-of-the-art approaches for tree reconstruction either put limiting constraints on the input side (requiring multiple photographs, a scanned point cloud or intensive user input) or provide a representation only suitable for front views of the tree. In this paper we present a complete pipeline for synthesizing and rendering detailed trees ...
Keywords: Tree reconstruction, Vegetation synthesis, Tree rendering

November 2015 Graphical Models: Volume 82 Issue C, November 2015
Publisher: Academic Press Professional, Inc.
Citation Count: 0

A volumetric mesh repair algorithm, based on bi-harmonic fields.The pre-computation of a volume mask to over-constrain the boundary conditions.A discrete solution of the bi-harmonic equation based on a quadratic optimization.A fully automatic algorithm for massive hole repair in very large triangle meshes.The ability to handle complex hole topologies having islands ...
Keywords: Model repair, Thin-plate energy, Volumetric methods

September 2014 Computer Graphics Forum: Volume 33 Issue 6, September 2014
Publisher: The Eurographs Association & John Wiley & Sons, Ltd.
Citation Count: 1

In this paper, we present an inexpensive approach to create highly detailed reconstructions of the landscape surrounding a road. Our method is based on a space-efficient semi-procedural representation of the terrain and vegetation supporting high-quality real-time rendering not only for aerial views but also at road level. We can integrate ...
Keywords: I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism, rendering, real-time rendering

November 2012 Graphical Models: Volume 74 Issue 6, November, 2012
Publisher: Academic Press Professional, Inc.
Citation Count: 1

Graphical abstractDisplay Omitted Highlights� An energy minimization formulation that preserves the initial example mesh. � An adaptive optimization algorithm based on iterating local operators. � It uses volume information in the areas that can be unambiguously segmented. � It imports the example shape in the areas with poor volume information. ...
Keywords: Volume segmentation, Shape optimization, Example-based segmentation, Mesh deformation

February 2012 Computers and Graphics: Volume 36 Issue 1, February, 2012
Publisher: Pergamon Press, Inc.
Citation Count: 7

Computer graphics and virtual reality technologies provide powerful tools for visualizing, documenting and disseminating cultural heritage. Virtual inspection tools have been used proficiently to show cultural artifacts either through the web or in museum exhibits. The usability of the user interface has been recognized to play a crucial role in ...
Keywords: Interaction techniques, Museum exhibits, Cultural heritage, Navigation techniques, User interface

8 published by ACM
April 2011 Journal on Computing and Cultural Heritage (JOCCH): Volume 3 Issue 4, April 2011
Publisher: ACM
Citation Count: 2
Downloads (6 Weeks): 5,   Downloads (12 Months): 20,   Downloads (Overall): 511

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The dichotomy between full detail representation and the efficient management of data digitization is still a big issue in the context of the acquisition and visualization of 3D objects, especially in the field of the cultural heritage. Modern scanning devices enable very detailed geometry to be acquired, but it is ...
Keywords: Scanning, immersive environments, multiresolution visualization, out-of-core data management, geometry acquisition and processing

October 2009 Computing - Geometric Modelling, Dagstuhl 2008: Volume 86 Issue 2-3, October 2009
Publisher: Springer-Verlag New York, Inc.
Citation Count: 2

In constructing a model of a large twelfth century monument, we face the repair of a huge amount of small to medium-sized defects in the mesh. The total size of the mesh after registration was in the vicinity of 173M-triangles, and presented 14,622 holes of different sizes. Although other algorithms ...

10 published by ACM
June 2008 SPM '08: Proceedings of the 2008 ACM symposium on Solid and physical modeling
Publisher: ACM
Citation Count: 0
Downloads (6 Weeks): 4,   Downloads (12 Months): 13,   Downloads (Overall): 257

Full text available: PDFPDF
In this paper, we present a new visibility-based feature extraction algorithm from discrete models as dense point clouds resulting from laser scans. Based on the observation that one can characterize local properties of the surface by what can be seen by an imaginary creature on the surface, we propose algorithms ...
Keywords: isosurfaces, segmentation, voxels, feature identification, point clouds

July 2005 Computer-Aided Design: Volume 37 Issue 8, July, 2005
Publisher: Butterworth-Heinemann
Citation Count: 2

Since the publication of the original Marching Cubes algorithm, numerous variations have been proposed for guaranteeing water-tight constructions of triangulated approximations of isosurfaces. Most approaches divide the 3D space into cubes that each occupy the space between eight neighboring samples of a regular lattice. The portion of the isosurface inside ...
Keywords: Handle removal, Isosurface extraction, Marching cubes, Triangle meshes, Topological ambiguity

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