Domenico Visintini

Domenico Visintini
University of Udine | UNIUD · Department of Civil Engineering and Architecture

Doctor of Philosophy

About

56
Publications
14,454
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580
Citations
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January 2005 - December 2012
Università degli studi di Udine
January 2005 - present

Publications

Publications (56)
Article
Full-text available
This paper presents an experience of 3D modeling starting from laser scanning data and following two alternative approaches: the first one, called “Advanced 3D modeling”, based on an original meshing algorithm, while the second make use of Revit BIM software. The case study in Palace Ettoreo in Sacile (Pordenone, Italy), constructed in Renaissance...
Chapter
The EOPA and GPA models, described in the previous chapters, can be further extended by substituting the isotropic scale factor c with an anisotropic scaling characterized by a diagonal matrix \(\varvec{\Gamma }\) of different scale factors.
Chapter
The terms Procrustes Analysis and Procrustes Techniques are referred to a set of least squares mathematical models used to perform transformations among corresponding points belonging to a generic k-dimensional space, in order to satisfy their maximum agreement.
Chapter
As shown in the previous chapters, given a matrix \(\mathbf {A}\) (origin) and a matrix \(\mathbf {B}\) (destination), containing the coordinates of p-points in \(\mathbb {R}^k\), classical least squares (LS) Procrustes solutions find the transformation parameters between the two point sets assuming that all random errors are confined to the destin...
Chapter
The main peculiarity of the problem treated in this chapter is given by the fact that \(m > 2\) matrix configurations are simultaneously considered.
Chapter
This chapter introduces the basic concepts of the automatic 3D surveying by means of laser scanning techniques, a methodology developed less than 20 years ago (see, e.g., Boehler et al. 2002) thanks to the technological improvement of the topographical instrumentations, in particular in the movement and in the electronical components. The main topi...
Chapter
This chapter introduces the basic geometric concepts of multi-view geometry in computer vision, an important and well-studied part of computer vision, as testified by the wealth of useful results reported in comprehensive monographs (Faugeras 1993; Hartley and Zisserman 2003; Faugeras and Luong 2001).
Chapter
Photogrammetric computer vision techniques and laser scanning systems can directly provide 3D models of real objects by automatically or selectively sampling the positions of a set of representative surface points. Depending on the dimension and on the shape complexity of the geometric entity under study, its complete survey often requires a multip...
Chapter
As extensively shown in the previous chapters, Procrustes Analysis allows to easily perform transformations among corresponding point coordinates belonging to a generic k-dimensional space and it is therefore suited to solve problems encountered in geodesy, photogrammetric computer vision, and laser scanning.
Book
This book gives a comprehensive view of the developed procrustes models, including the isotropic, the generalized and the anisotropic variants. These represent original tools to perform, among others, the bundle block adjustment and the global registration of multiple 3D LiDAR point clouds. Moreover, the book also reports the recently derived total...
Article
Full-text available
Terrestrial remote sensing techniques, including both Terrestrial Laser Scanning (TLS) and Close-Range Photogrammetry (CRP), have been recently used in multiple applications and projects with particular reference to the documentation/inspection of a wide variety of Cultural Heritage structures. The high density of TLS point cloud data allows to per...
Article
Full-text available
During the past dozen years, several mobile mapping systems based on the use of imaging and positioning sensors mounted on terrestrial (and aerial) vehicles have been developed. Recently, systems characterized by an increased portability have been proposed in order to enable mobile mapping in environments that are difficult to access for vehicles,...
Article
Full-text available
Nowadays, simultaneous localization and mapping (SLAM) algorithms support several commercial sensors which have recently been introduced to the market, and, like the more common mobile mapping systems (MMSs), are designed to acquire three-dimensional and high-resolution point clouds. The new systems are said to work both in external and internal en...
Article
Full-text available
This work was focused on the physicochemical characterization and biochemical methane potential (BMP) tests of some liquid organic substrates, to verify if they were suitable for undergoing a process of high-velocity anaerobic digestion. The selected substrates were: first and second cheese whey, organic fraction of municipal solid waste (OFMSW) le...
Article
Full-text available
The role of UAV systems in applied geomatics is continuously increasing in several applications as inspection, surveying and geospatial data. This evolution is mainly due to two factors: new technologies and new algorithms for data processing. About technologies, from some years ago there is a very wide use of commercial UAV even COTSs (Commercial...
Article
Full-text available
This work has been developed among the researches of a PhD thesis in Civil and Environmental Engineering and Architecture of the University of Udine in cooperation with the GECO Laboratory of the University of Florence. It focuses on the interaction between Geomatics and Structural Analysis, both applied to cultural heritage, and expressly to artef...
Article
RIASSUNTO Il lavoro riassume i risultati ottenuti da diversi partecipanti alla sessione “benchmark” - uso di immagini UAV per la ricostruzione 3D: esperienze condivise tra utenti, svoltasi nell’ambito del 61° convegno nazionale SIFET (Lecce 8-10 giugno 2016). L’iniziativa ha previsto l’elaborazione di un dataset comune, rappresentato da immagini ac...
Conference Paper
Full-text available
The paper describes the contribution that laser scanning techniques and 3D modeling may provide for the analysis of the structural stability of small size elements belonging to cultural heritage such as statues. First it describes the TLS surveying, the phases of scans registration and of object surface modelling, steps that, although automated, re...
Article
Full-text available
The 3D digitization of sites or objects, normally referred to “reality-based 3D surveying and modelling”, is based on 3D optical instruments able to deliver accurate, detailed and realistic 3D results. Nowadays many non-experts are facing the 3D world and its technologies (hardware and software) due to their easiness of use but a not correct use le...
Conference Paper
Full-text available
Questo articolo tratta del contributo che le tecniche di scansione laser possono fornire alla miglior definizione del modello geometrico di base per analisi strutturali svolta mediante metodi agli elementi finiti (FEM).
Article
Full-text available
A new procedure supporting filtering and classification of LiDAR data based on both elevation and intensity analysis is introduced and validated. After a preliminary analysis to avoid the trivial classification of homogeneous datasets, a non-parametric estimation of the probability density function is computed for both elevation and intensity data...
Article
Full-text available
The goal of the reported project is to test and evaluate 3D surveying and modelling methods to document the remaining ancient byzantine city walls of the archaeological site of Aquileia in Friuli Venezia Giulia, Italy. The objectives are threefold: (1) to use 3D data to create maps, façades and sections that provide information useful for archaeolo...
Chapter
The paper describes the steps of the 3D texture modeling of an important cycle of Renaissance frescoes located in the Church of Saint Anthony Abbot in San Daniele del Friuli (Italy). Starting from surveying data acquired by means of a laser scanning and photogrammetric integrated system, a detailed photorealistic 3D model has been obtained. The con...
Article
Full-text available
This paper proposes a method for a mosaic digital representation of a road by means of a Kalman filter based rectification of a monoscopic image sequence acquired with a low-cost MMS without INS sensors. The frontal images of the road acquired by a pointing ahead-down camera are rectified onto the road surface by means of a homographic transformati...
Article
Full-text available
The paper deals with the terrestrial laser scanning survey of the Aquileia basilica, one of the most significant monuments of the Italian Romanic architecture, the religious centre of a small town in North-East Italy famous for its roman archaeological ruins. The laser data have been acquired with a Riegl LMS Z360i system integrated with a Nikon D1...
Article
Full-text available
The paper deals with a new sequential procedure to perform unsupervised LIDAR points classification by iteratively studying skewness and kurtosis for elevation and intensity point distribution values. After a preliminary local shape analysis of elevation and intensity point distributions, carried out from the original discrete frequencies by a non...
Article
Full-text available
This work is part of a thesis for the School of Specialization in Ar-chaeology at the University of Trieste, Italy. The goal of the project is to test and evaluate 3D surveying and modeling methods to document the remaining ancient byzantine city walls of the archaeological site of Aquileia in Friuli Venezia Giulia, Italy. The objectives are threef...
Article
Full-text available
In a recent paper Crosilla, Visintini and Sepic (2007) a mixed procedure for the automatic vol- umetric primitives classication and segmentation of 3D spatial objects, surveyed with very high density laser scanning range measurements, was proposed. The procedure consists of three phases: rst, a Taylor expansion is applied for each sampled point, co...
Conference Paper
This paper presents a high-level tool to build 3D virtual exhibitions from pre-existing 3D models and design virtual visits. Our tool exploits AI techniques and careful interaction design to require minimal technical knowledge by a curator, and allows one to: (i) easily arrange 3D models (e.g. of artworks) in a virtual space; (ii) find, through an...
Article
Full-text available
Dealing with a procedure for the automatic classification of laser point clouds based on surface curvature values, one of the most critical aspects is the correct interpretation of the estimated results. This care is required since the measurements are characterised by errors of different kind, and simplified analytical models are applied to estima...
Article
Full-text available
One of the critical aspects of the curvature based classification of spatial objects from laser point clouds is the correct interpretation of the results. This is due to the fact that measurements are characterized by errors and that simplified analytical models are applied to estimate the differential terms used to compute the object surface curva...
Article
This paper proposes a statistical procedure for the automatic volumetric primitives classification and segmentation of 3D objects surveyed with high density laser scanning range measurements. The procedure is carried out in three main phases: first, a Taylor’s expansion nonparametric model is applied to study the differential local properties of th...
Conference Paper
Full-text available
In this paper, the novel 3D survey technique of laser scanning integrated with photogrammetric images is introduced as a quasi-automatic way for the detailed modeling and the virtual rendering of whole cities with complex geometries and structures. Afterwards, some specifications and examples are given about the different reachable levels of detail...
Article
Full-text available
The paper deals with the registration and modelling of terrestrial laser point clouds. For both problems a non parametric regression is suitably exploited, whose unknowns are the function values and the partial derivatives of a second order Taylor's expansion estimated for a certain number of surface points. These allow to directly estimate local c...
Conference Paper
Full-text available
Riassunto Il presente articolo descrive un algoritmo in grado di ottenere un'accurata correzione radiometrica del dato laser terrestre, allo scopo di condurre ad una quantità nota come pseudo-riflettanza. L'algoritmo proposto, a seguito della definizione della legge di risposta della superficie riflettente e della legge di divergenza del raggio eme...
Article
Full-text available
This paper deals with the various aspects of the Gorizia downtown (Italy) 3D virtual model production obtained by a suitable integration of laser and imaging data, both acquired either by means of a helicopter and a terrestrial surveying. An aerial high-density (15 points/m 2) laser surveying was achieved with an Optech ALTM 3033 system for an area...
Article
Full-text available
Airborne laser scanning can be employed today for the production of large scale maps and the creation of detailed 3D city models. For this purpose, several solutions have been proposed, also available in commercial software, to make easier and semi-automated the extraction and the geometric modeling of buildings from LIDaR data. As a consequence, w...
Article
Full-text available
Riassunto: L'articolo illustra una tecnica di filtraggio e classificazione dei dati laser scan di natura geodetica mediante l'applicazione della "forward search", una procedura robusta di analisi dei residui della stima ML di un modello autoregressivo SAR, introdotta in letteratura per l'identificazione di outliers e di dati non stazionari. Per la...
Article
Full-text available
This paper deals with the integration of LIDaR and hyperspectral data to improve the discovery of new archeological sites. We investigate the possibility of integrating such dataset in order to evaluate irregular behavior of some major ground indexes. While hyperspectral data allow the identification of specific humidity, vegetation and thermal con...
Article
Full-text available
The paper proposes a segmentation procedure inspired to a robust LIDaR filtering data method recently introduced by the authors. The method is based on the application of a Simultaneous AutoRegressive (SAR) model for describing a trend surface and of an iterative Forward Search (FS) algorithm to detect clusters of non-stationary data. The procedure...
Article
Full-text available
This paper proposes a new filtering method of non-ground measurements from airborne LIDAR data through a Simultaneous AutoRegressive (SAR) analytical model and exploiting a Forward Search (FS) algorithm (Atkinson and Riani, 2000, Cerioli and Riani, 2003), a newly developed tool for robust regression analysis and robust estimation of location and sh...
Article
Full-text available
Throughout this paper, a method to efficiently survey buildings by digital images, dynamically and statically acquired, is presented by investigating methodological and analytical aspects and by suggesting an integrated surveying procedure, in order to well exploit the synergy among different imaging sensors. At first, it is earlier evaluated and t...
Article
Full-text available
This paper deals with the purpose of a methodology integrating different surveying techniques to efficiently produce a large-scale digital mapping of urban areas. At first, a comparison among methods for reuse/updating of existing maps, aerial modern techniques and terrestrial ones is carried out, highlighting the pros/cons characterizing each one...
Article
This paper describes an original method to determine the external orientation of a digital sensor located on a moving vehicle using exclusively the points of an already existing numerical cartography; the method is alternative to the one largely applied based on the use of satellite and inertial positioning systems. For solving the orientation pare...
Conference Paper
This work describes a software package for the evaluation of the accuracy of a digital mapping. It implements a testing procedure based on the application of statistical tests, both parametric and non-parametric. Automatic tools for data quality assessment are not yet common; for this reason, the development of a computer program for accuracy testi...
Article
Full-text available
KEY WORDS: Laser scanning, Rilevamento aereo, Rilevamento terrestre, Integrazione di dati, Modellazione 3D. RIASSUNTO In questo articolo sono descritti i diversi aspetti metodologici e operativi della modellazione 3D del Castello di Gorizia, ottenuta dall'integrazione di scansioni laser e immagini digitali, entrambi acquisiti sia con tecniche di ri...
Article
Full-text available
Riassunto L'articolo presenta un metodo originale di filtraggio dei dati laser altimetrici per la produzione dei Modelli Digitali del Terreno (DTM). L'individuazione dei punti non appartenenti al terreno (outliers) è condotta attraverso l'applicazione dell'algoritmo di ricerca dinamica BFS (Block Forward Search), proposto recentemente da Cerioli e...
Article
Full-text available
The paper describes the steps of the 3D modeling of the Church of Saint Anthony Abbot in San Daniele del Friuli (I), from the laser scanning and photogrammetric integrated surveying to the final VRML/X3D photorealistic model. This church keeps the most beautiful and harmonious cycle of Renaissance fresco es of the region, painted by Pellegrino da S...
Article
Full-text available
A procedure for a combined robust segmentation and classification of the volu- metric primitives of spatial objects, surveyed with laser scanning technology, is proposed. The combined procedure is carried out in three main phases: first, a Taylor's expansion nonparametric model is applied to study the differential local properties of the surfaces i...
Article
Full-text available
KEY WORDS: Laser-scanner terrestre, Intensità, Calibrazione, Pseudo-riflettanza. RIASSUNTO Il presente articolo descrive un algoritmo in grado di ottenere un'accurata correzione radiometrica del dato laser terrestre, allo scopo di condurre ad una quantità nota come pseudo-riflettanza. L'algoritmo proposto, a seguito della definizione della legge di...
Article
Full-text available
Laser scanning measurements are characterized by errors of different kind and simplified analytical models are normally applied to estimate the differential terms used to locally compute the object surface curvature values. The paper synthesizes the statistical analyses of the non parametric model applied, and of the Gaussian K and mean H local cur...
Article
Full-text available
Riassunto L'impiego del telerilevamento per la definizione di strutture archeologiche costituisce una pratica ben consolidata che oramai presenta oltre un secolo di applicazione. Diversa è invece l'impiego di tale metodologia di rilievo per l'individuazione di strutture ancora sepolte. Allo scopo di validare questo approccio, pervenire ad obiettivi...

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Projects (3)
Project
Ph.D. Research The purpose of this research is to define which could be the possible contribute of geomatic models to Structural Engineering. It results that, beside mechanical and costitutive characteristic of the object, the knowledge of geometry is as well necessary for the definition of the confidence factor of structure. However, contrary to what it could be expected, most of geometric models used for structural analysis are really simple, since are often developed starting from plants and sections obtained from direct survey, and therefore poor of details. This simplification is acceptable for the largest part of modern constructions, because of their regularity and symmetry, but is not indicated for buildings and objects belonging to cultural heritage, which present much more complex geometries. For this kind of objects it is possible to operate through geomatic surveying, obtaining realistic 3D models that reproduce geometry in high fidelity. These technique are nowadays used in many fields, but are not so frequently applied in structural analysis. Probably, this lack of connection between the two disciplines is due to the fact that as much Geomatics seeks precision as much Structural Analysis tries to simplify. The goal of this research is trying to find a meeting point between models realized through Geomatics and that ones used for structural Analysis. Therefore, the challenge will consiste in finding the correct level of detail of models, in order to represent faithfully the object, without loosing important information, but also in a way that could be adaptable for Structural Analysis. Three different sizes of objects were therefore modelled and structural analysed, by a finite element method software. Through this procedure was therefore verified that, if opportunely processed, geomatic models allow to obtain more accurate results than simplified ones.
Project
Progetto INTERREG IIIA - Italia-Slovenia 2000-2006 Ricomposizione della cartografia catastale e integrazione della cartografia regionale numerica per i sistemi informativi territoriali degli enti locali mediante sperimentazione di nuove tecniche di rilevamento Area di ricerca : Laser Scanning