Prof. Gabriele Bitelli
DICAM Dept of Civil, Chem., Env. and Mat. Eng., Alma Mater Studiorum Università di Bologna, Bologna, Emilia-Romagna, Italy
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Academic Career Length
30Years (1997-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
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Journal Article
Emanuele MandaniciGabriele BitelliThe availability of new generation multispectral sensors of the Landsat 8 and Sentinel-2 satellite platforms offers unprecedented opportunities for long-term high-frequency monitoring applications. The present letter aims at highlighting some potentials and challenges deriving from the spectral and spatial characteristics of the two instruments. Some comparisons between corresponding bands and band combinations were performed on the basis of different datasets: the first consists of a set of simulated images derived from a hyperspectral Hyperion image, the other five consist instead of pairs of real images (Landsat 8 and Sentinel-2A) acquired on the same date, over five areas. Results point out that in most cases the two sensors can be well combined; however, some issues arise regarding near-infrared bands when Sentinel-2 data are combined with both Landsat 8 and older Landsat images.
Journal Article
Giovanni CastellazziADAntonio Maria D'altri
Antonio Maria D'altriGabriele BitelliISIlenia Selvaggi
Ilenia Selvaggi
Alessandro LambertiniIn this paper, a new semi-automatic procedure to transform three-dimensional point clouds of complex objects to three-dimensional finite element models is presented and validated. The procedure conceives of the point cloud as a stacking of point sections. The complexity of the clouds is arbitrary, since the procedure is designed for terrestrial laser scanner surveys applied to buildings with irregular geometry, such as historical buildings. The procedure aims at solving the problems connected to the generation of finite element models of these complex structures by constructing a fine discretized geometry with a reduced amount of time and ready to be used with structural analysis. If the starting clouds represent the inner and outer surfaces of the structure, the resulting finite element model will accurately capture the whole three-dimensional structure, producing a complex solid made by voxel elements. A comparison analysis with a CAD-based model is carried out on a historical building damaged by a seismic event. The results indicate that the proposed procedure is effective and obtains comparable models in a shorter time, with an increased level of automation.
Journal Article
Gabriele Bitelli
Andrea SimoneFGFabrizio Girardi
Fabrizio Girardi
Claudio LantieriThe surface layer of road pavement has a particular importance in relation to the satisfaction of the primary demands of locomotion, such as security and eco-compatibility. Among those pavement surface characteristics, the “texture” appears to be one of the most interesting with regard to the attainment of skid resistance. Specifications and regulations, providing a wide range of functional indicators, act as guidelines to satisfy the performance requirements. This paper describes an experiment on the use of laser scanner techniques on various types of asphalt for texture characterization. The use of high precision laser scanners, such as the triangulation types, is proposed to expand the analysis of road pavement from the commonly and currently used two-dimensional method to a three-dimensional one, with the aim of extending the range of the most important parameters for these kinds of applications. Laser scanners can be used in an innovative way to obtain information on areal surface layer through a single measurement, with data homogeneity and representativeness. The described experience highlights how the laser scanner is used for both laboratory experiments and tests in situ, with a particular attention paid to factors that could potentially affect the survey.
1 July 1997 in International Journal of Geographical Information Science
Journal Article
1 February 2000 in Journal of Geodynamics
Journal Article
Gabriele BitelliFBFlavio Bonsignore
Flavio Bonsignore
MUMarco Unguendoli
Marco Unguendoli
1 December 2005 in Earthquake Spectra
Journal Article
LGLuca Gusella
Luca Gusella
BABeverley J. Adams
Beverley J. Adams
Gabriele BitelliCHCharles K. Huyck
Charles K. Huyck
AMAlessandro Mognol
Alessandro Mognol
This paper presents a methodology for quantifying the number of buildings that collapsed following the Bam earthquake. The approach is object rather than pixel‐oriented, commencing with the inventory of buildings as objects in high‐resolution QuickBird satellite imagery captured before the event. The number of collapsed structures is computed based on the unique statistical characteristics of these objects/buildings within the “after” scene. A total of 18,872 structures were identified within Bam, of which the results suggest that 34% collapsed—a total of 6,473. Preliminary assessments indicate an overall accuracy for the damage classification of 70.5%.
About Me
Gabriele Bitelli is since 2002 Full Professor of Geomatics at the Department of Civil, Chemical, Environmental and Materials Engineering (DICAM) of the University of Bologna.
The main research interests are related to the integration of modern Geomatics sensors ans techniques; applications related to Cultural Heritage; satellite Earth Observation for environmental monitoring, for urban areas and risk management; deformation control for structures and territory; 3D modelling by terrestrial, UAV, aerial and satellite systems; applications of Geomatic sciences for disaster mitigation and environmental change detection; processing and use of thermal imagery; digital approaches for historical cartography; forensic geomatic; Geographic Information Systems.
The teaching activity covers the main topics in Geomatics, mainly in Remote Sensing, 3D data acquisition and management, Cultural Heritage applications. Supervisor for more than 250 Master degree theses, he has successfully supervised 21 PhD students.
He has been Principal Investigator, Scientific Responsible or active participant in many National and International Research projects and in numerous contracts with public administrations, private institutions and firms.
Reviewer for the most important journal in the sector, he is author of more than 350 national and international publications.
H-Index Scopus: 25, number of citations: more than 2500.