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|Title:||Multisensor Fusion for Volumetric Reconstruction of Large Outdoor Areas|
|Authors:||SEQUEIRA VITOR; FIOCCO MARCO; BOSTROEM Gunnar; GONCALVES JOAO|
|Citation:||Proceedings of the 5th International Conference on 3-D Digital Imaging and Modeling (3DIM 2005) p. 1550-6185/5|
|Publisher:||IEEE Computer Society|
|Type:||Articles in periodicals and books|
|Abstract:||This paper presents techniques for the merging of 3D Data coming from different sensors, such as ground and aerial laser range scans. The 3D Models created are reconstructed to give a photo-realistic scene enabling interactive virtual walkthroughs, measurements and scene change analysis. The reconstructed model is based on a weighted integration of all available data based on sensor-specific parameters such as noise level, accuracy, inclination and reflectivity of the target, spatial distribution of points. The geometry is robustly reconstructed with a volumetric approach. Once registered and weighed, all data is re-sampled in a multi-resolution distance field using outof-core techniques. The final mesh is extracted by contouring the iso-surface with a feature preserving dual contouring algorithm. The paper shows results of the above technique applied to Verona (Italy) city centre.|
|JRC Directorate:||Space, Security and Migration|
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