Reconstrucción virtual tridimensional de entornos urbanos complejos

Translated title of the contribution: Virtual 3D reconstruction of complex urban environments

A. García-Moreno, J. González-Barbosa

Research output: Contribution to journalArticle

Abstract

This paper presents a methodology for the generation of three-dimensional models of urban environments. A multi-sensor terrestrial platform composed of a LIDAR, a spherical camera, GPS and IMU systems is used. The data of the sensors are synchronized with the navigation system and georeferenced. The digitalization methodology is focused on 3 main processes. (1) The three-dimensional reconstruction, in which the noise in the 3D data is eliminated and the distortion in the images is reduced. Later, a panoramic image is built. (2) Texturing, the algorithm is described in detail to ensure the least uncertainty in this color extraction process. (3) Mesh generation, the meshing process based on octree’s is described, from the generation of the seed, the tessellation, as well as the elimination of gaps in the meshes. Finally, a quantitative evaluation of our proposal is made and compared with other existing approaches in the state-of-the-art. The results obtained are discussed in detail.

Original languageSpanish
Pages (from-to)22-23
Number of pages2
JournalRIAI - Revista Iberoamericana de Automatica e Informatica Industrial
Volume17
Issue number1
DOIs
StatePublished - 1 Jan 2020

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Mesh generation
Texturing
Sensors
Navigation systems
Seed
Global positioning system
Cameras
Color
Uncertainty

Cite this

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title = "Reconstrucci{\'o}n virtual tridimensional de entornos urbanos complejos",
abstract = "This paper presents a methodology for the generation of three-dimensional models of urban environments. A multi-sensor terrestrial platform composed of a LIDAR, a spherical camera, GPS and IMU systems is used. The data of the sensors are synchronized with the navigation system and georeferenced. The digitalization methodology is focused on 3 main processes. (1) The three-dimensional reconstruction, in which the noise in the 3D data is eliminated and the distortion in the images is reduced. Later, a panoramic image is built. (2) Texturing, the algorithm is described in detail to ensure the least uncertainty in this color extraction process. (3) Mesh generation, the meshing process based on octree’s is described, from the generation of the seed, the tessellation, as well as the elimination of gaps in the meshes. Finally, a quantitative evaluation of our proposal is made and compared with other existing approaches in the state-of-the-art. The results obtained are discussed in detail.",
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Reconstrucción virtual tridimensional de entornos urbanos complejos. / García-Moreno, A.; González-Barbosa, J.

In: RIAI - Revista Iberoamericana de Automatica e Informatica Industrial, Vol. 17, No. 1, 01.01.2020, p. 22-23.

Research output: Contribution to journalArticle

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