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Publications (79)
The increasing computational capacity and the reduction of production costs of electronic devices allow the adoption of new approaches to the architectural survey. The purpose of this paper is to analyze and test different low-cost sensors able to acquire odometry, depth data and RGB images processed through SLAM (Simultaneous Localization and Mapp...
This research proposes a detailed analysis of the potential of MMS (Mobile Mapping Systems), supported by SLAM (Simultaneous Localisation And Mapping) algorithms, performed on a multiscale test field in order to make a concrete contribution to the morphological study of cities. These systems, developed with the aim of acquiring a large number of po...
La generazione di modelli tridimensionali ad alta risoluzione a partire da immagine sferiche è, ad oggi, pratica consolidata e largamente utilizzata. Le applicazioni in ambito geomatico basate sull'acquisizione di fotogrammi sferici sono sempre più frequentemente tema di ricerca e di interesse professionale. È nell'ambito di tale filone di ricerca...
La ricerca presentata vuole definire una procedura operativa mirata all'acquisizione di ambienti difficilmente accessibili attraverso l'utilizzo di ca-mere omnidirezionali, ponendo particolare attenzione allo schema di presa in fase di campagna e alla degradazione del GSD sulla superficie dell'immagine rispetto al tipo di proiezione applicata. Come...
The Venetian galea (galley), dominating the Mediterranean Sea for almost 1000 years, is one of the most emblematic and fascinating objects in the history and culture of the Serenissima Republic of San Marco, the official name of ancient Venice. This boat has changed according to the needs and developments that have taken place over the centuries, p...
The deep knowledge of Cultural Heritage, with historical research and interpretative analysis of materials, is fundamental to know the state of conservation and to plan potential restoration interventions. In the last years, thanks to the fast and continuous technological development, the metrical survey had a significant increase in this particula...
In line with the growing demand of digital documentation in the field of Cultural Heritage, nowadays survey technologies allow an immediate reading of a whole system directly in a 3D environment. The Photogrammetry Laboratory at the Iuav University of Venice had often dealt with surveying and documenting complex wooden structures. In this work, we...
In last years, ROVs, have been employed to explore underwater environments and have played an important role for documentation and surveys in different fields of scientific application. In 2017, the Laboratorio di Fotogrammetria of Iuav University of Venice has decided to buy an OpenRov, a low cost ROV that could be assembled by ourselves to add so...
Conservation of modern and contemporary cultural heritage, which goes from design objects, to architecture, to cities and territories, is certainly a current topic and in the development phase as it is underway – in the same modernity – a process of systematic replacement of architectural elements, outcome of solutions then experimental, which toda...
The new geomatics techniques have the aim of responding to the needs of damage documentation, risk assessment and providing support for managing and sharing data in emergency and danger conditions. The paper describes the experience of a group of researchers in geomatics and construction techniques at the Iuav University of Venice following the Emi...
The paper focuses on the educational experience produced during the International Workshop, organized by the IUAV University of Venice and dedicated to both the understanding and conservation of the maison Stein-de-Monzie “Les Terrasses”, an emblematic work of Le Corbusier’s early career period.
The villa, located in Garches (Vaucresson), was desi...
On 20th and 29th of May 2012, two powerful earthquakes struck northern Italy. The epicentres were recorded respectively in Finale Emilia (magnitude 5.9 Ml) and Medolla (magnitude 5.8 Ml) in the province of Modena, though the earthquake was formed by a series of seismic shakes located in the district of the Emilian Po Valley, mainly in the provinces...
In the last years, the development of 3D technologies applied to the field of Cultural Heritage (CH) has led to results of the utmost importance from the point of view of preservation, valorisation, communication and fruition of our assets. In particular, we experienced many interdisciplinary projects in which, thanks to the cooperation of differen...
Negli ultimi anni, il Laboratorio di Fotogrammetria dell’Università Iuav di Venezia ha intrapreso una collaborazione con il Laboratorio di Urbanistica e Rilievo dell’Università degli Studi di Perugia, che da molto tempo si occupa delle ricerche archeologiche dell’area di Saepinum, in Molise; tale collaborazione ha riguardato prevalentemente il rili...
Digital technologies can now make an innovative contribution to urban history, lending themselves to processes aimed at achieving quite different goals, from research to training, from the dissemination to the fruition of cultural cartographic heritage. Through technological innovation and the development of multimedia tools, it is now possible to...
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...
Nowadays, researchers widely employ the acquisition of point clouds as one of the principal type of documentation for cultural
heritage. In this paper, different digital survey techniques are employed to document a wooden ancient shipwreck, a particular and
difficult kind of archaeological finding due to its material characteristics. The instabilit...
Nowadays, researchers widely employ the acquisition of point clouds as one of the principal type of documentation for cultural heritage. In this paper, different digital survey techniques are employed to document a wooden ancient shipwreck, a particular and difficult kind of archaeological finding due to its material characteristics. The instabilit...
The paper describes how new digital methodologies can be used within the field of Cultural Heritage, not only with the aim of documenting the actual state of an architecture but to review the past transformations it has undergone, conserving and representing these histories as well. The premise to conservation and enhancement of our Heritage is a d...
The paper describes how new digital methodologies can be used within the field of Cultural Heritage, not only with the aim of documenting the actual state of an architecture but to review the past transformations it has undergone, conserving and representing these histories as well. The premise to conservation and enhancement of our Heritage is a d...
Acquisition and processing of point clouds, allowing the high dimensional accuracy that is an essential prerequisite for good documentation, are widely used today for cultural heritage surveys. In recent years, manual and direct surveys in archaeological survey campaigns have been replaced by digital image processing and laser-scanning. Multi-image...
Geomatics technics and methods are now able to provide a great contribution to the Cultural Heritage (CH) processes, being adaptable to different purposes: management, diagnosis, restoration, protection, study and research, communication, formation and fruition of the Cultural Heritage. This experimentation was done with an eye to encouraging and p...
This research is focused on the analysis of the potential of a close range aerial photogrammetry system, which is accessible both in economic terms and in terms of simplicity of use. In particular the Go Pro Hero3 Black Edition and the Parrot Ar. Drone 2.0 were studied. There are essentially two limitations to the system and they were found for bot...
In this paper, the complementary nature of topographical and continuous inclinometric monitoring procedures for the assessment of the movements of the complex structure being built is analysed.
The processes used in the two different monitoring systems and the results obtained are described. These are characterized by a significant homogeneity in t...
The conservation and enhancement of our cultural heritage (CH) require an exhaustive study in terms of position, shape, colour, geometry and also of the historical and artistic features. Survey methods have polished data acquisition techniques in line with technological progress. Today’s electronic and IT technologies, that are the tools of modern...
Tooteko is a smart ring that allows to navigate any 3D surface with your finger tips and get in return an audio content that is relevant in relation to the part of the surface you are touching in that moment. Tooteko can be applied to any tactile surface, object or sheet. However, in a more specific domain, it wants to make traditional art venues a...
Highly accurate documentation and 3D reconstructions are fundamental for analyses and further interpretations in archaeology. In the last years the integrated digital survey (ground-based survey methods and UAV photogrammetry) has confirmed its main role in the documentation and comprehension of excavation contexts, thanks to instrumental and metho...
The use of action cameras for photogrammetry purposes is not widespread due to the fact that until recently the images provided by the sensors, using either still or video capture mode, were not big enough to perform and provide the appropriate analysis with the necessary photogrammetric accuracy. However, several manufacturers have recently produc...
The use of old maps as art's item is being established for many years now and the use of (both geometric and color) accurate scanning systems for the production of their digital copies' is spread worldwide. However, the geometric accuracy of an old maps' scanned digital image is of no use, at least for cartographic purposes, when certain condition'...
The paper describes how new digital methodologies can be used within the field of Cultural Heritage, not only with the aim of documenting the actual state of an architecture but to review the past transformations it has undergone, conserving and representing these histories as well.
Over the last few years, the methodologies of acquisition and inte...
In this paper we would like to present an operational procedure for surveys of complex structures, such as the wooden dome of SS. Giovanni e Paolo in Venice. The aim of this work was to analyse the shape and the geometry of this very articulated constructive technique: because of its complexity, a laser scanning survey, with the support of more tra...
The aim of this research is to study the wooden structure of the dome of SS. Giovanni e Paolo in Venice. The main purpose of this work is to analyse the shape and the geometrical and spatial knowledge of a very articulated structure that was very common in the Venetian architectural tradition of the XIV and XV century. Because of its complexity, a...
Cultural Heritage constitutes a fundamental resource for all Countries, even in economic terms, as it can be considered an extraordinary tourist attraction. This is particularly true for Italy, which is one of the Countries with the richest artistic heritage in the world. For this reason, restoration becomes an essential step towards the conservati...
The last few years have marked an exponential growth in the use of electronic and computing technologies that opened new
possibilities and new scenarios in the Geomatic field. This evolution of tools and methods has led to new ways of approaching
survey. For what concerns architecture, the new tools for survey acquisition and 3D modelling allow the...
Il Laboratorio di Fotogrammetria da più di venticinque anni è impegnato nella sperimentazione di strumenti, tecniche e metodi di rilievo topografico e fotogrammetrico dei monumenti. I recenti sviluppi della fotogrammetria digitale, intesi non solo come restituzione stereoscopica da immagini digitali, auto correlazione, DEM automatico, estrazione di...
The mapping and GIS Laboratory of the University IUAV of Venice owns several digital copies of historical maps, some of which concern the city of Venice, from the view by De Barbari to the most recent orthophotos. Even the most careful analysis of an historical map rarely -and almost never easily- allows the automatic individuation of correspondenc...
3d scanning technologies had a significant development and have been widely used in documentation of cultural, architectural and archeological heritages. Modern methods of three-dimensional acquiring and modeling allow to represent an object through a digital model that combines visual potentialities of images (normally used for documentation) to t...
L'esperienza condotta su San Michele in Isola si inserisce nel fi lone di ricerca della geomatica applicata allo studio dei Beni Culturali. Il rilievo di una facciata, operazione tradizionale in architettura, si caratterizza infatti come campo di applicazione per nuove tecnologie e strumenti e come possibilità di verifi ca delle metodologie già con...
In last years all the activities developed in the cultural heritage field have shown the necessity to integrate different analytical methodologies and technologies to obtain a cognitive apparatus of our architectural monuments, both from geometric and matericalfigurative aspect. The research on the archaeological site of the roman city of Grumentum...
L’Università Iuav di Venezia ha testato sul Canal Grande le più innovative tecniche di rilevamento, in collaborazione con Riegl e Microgeo, realizzando la scansione di tutti i prospetti attraverso un sistema di acquisizione integrato da natante. The Grand Canal in Venice by boat 3d laser scanningThe Iuav University in Venice realized a test on the...
Actually geometrics’ science offers new opportunities and interesting applications in the field of Cultural Heritage. These applications are strictly related to preservation, restoration but even to cataloging and reproducing a monument that no longer has its original integrity. The possibility of obtaining 3D data, of such a model close to reality...
Lafrery's perspective map of Milan (1573): genesis and geometric content Summary This paper considers an analysis of the perspective view of Milan engraved by Anto-nio Lafrèry and published in 1573. The study focuses on the perspective view in or-der to define its cartographic content and to establish if it was constructed by a rigor-ous methodolog...
p>Non destructive analysis on the structural behaviour of monuments or historical buildings represents by now the most important way to understand the mechanical performance and the level of decay - both for local and global aspects; this without invading and also as a preliminary approach in view of more adaptive reinforcement/restoration interven...
In cartographic heritage we suddenly find maps of the same mapmaker and of the same area, published in different years, or new editions due to integration of cartographic, such us in national cartographic series. These maps have the same projective system and the same cut, but they present very small differences. The manual comparison can be very d...
In last years laser scanning have increased its application in different fields: from geological to architectural and archaeological survey, from real time monitoring to rapid prototyping. Respect to architecture and archaeology, but more generally to Cultural Heritage, laser scanning technology is becoming more popular as can be proved in the late...
Historical maps often suffer significant deformations of their supporting material of any type. These deformations make it difficult to make an accurate reading of maps in its geometric and semantic context. As invaluable materials of cultural heritage, historical maps, in very many cases (rolled parchments, maps in old books and atlases etc.) cann...
The paper presents the use of tablet pc in archaeology, it explains what is a tablet PC and the steps to draw archaeological remains using a digital photomosaic. It's described the test made during the experience in the roman town Grumentum in South Italy (2006). The use of a tablet pc in archaeological excavation is a powerful tool for digital doc...
Summary This paper will demonstrate how new technologies in cartographic environment integrate ac- quisition, management and representation techniques for georefencing data processing. More- over, there is an ever-growing demand for a more "representative" and "world widespread" digital cartography. More representative means the capabilities in des...
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...
Modern architecture or contemporary architecture can be quite difficult to survey. Most of the time, a survey is done as support to an analytical view that is constructed as support for a conservation or restoration project. Due to the fact that by and large, contemporary or modern architecture does not call for these types of interventions, the ca...
Acquisition, management and processing survey data in a digital form opens up exciting new opportunities to represent the territory, its architecture, and its objects efficiently by building 3D models. In the case of archaeological sites, data and information of structures on the territory and related objects, represented in territorial scale, must...
The façades of numerous Gothic-era buildings in Venice, especially those that overlook the Grand Canal, display the tendency to demonstrate a substantial degree of "entropiombo". In other words, the structure is not quite a vertical plane but rather tends toward a slightly sloped surface. Presently, this phenomenon is the subject of analysis and st...
In architectural surveying aimed to restoration and to conservation, close to the traditional two-dimensional vectorial representation in orthogonal projection, raster representation has gained considerable importance. Among all raster representations, the most widely-used is the digital orthophoto. The application of laser scanners as a new instru...
The orthophoto is a powerful instrument of representation which combines radiometric and geometric properties. In architectural applications the orthophoto production cannot be performed by using the traditional orthophoto approach. True digital orthophoto is a new technique which uses several images and a complete DEM of the object in order to pro...
key words: laser scanning – complex structure survey – 3D modelling The wooden structure that supports the roof of Palazzo Ducale is very complex becouse of continuous works of maintainance and restoration occurred during centuries. The photogrammetric laboratory of CIRCE – IUAV is employed in the survey and representation of the overstanding struc...
KEY WORDS: 3D scanning, laser-based scanning, shape measurement, digital 3D models. ABSTRACT 3D digital models have a variety of applications such as the realization of 3D catalogues and virtual museum, fast prototyping, restoration and architectural supporting and monitoring. This paper reports the preliminary results of a project regarding the de...
Tourist maps representing historic cities and their historic centres as well as sites with relevant interest are indeed popular among the wide public. Maps of this type are conventional obeying to the well-known traditional rules based on theoretical and practical experience. The same hold also for the tourist maps products of new electronic techno...
The geometrical transformations change the spatial relationship between objects in an image. One of the principle applications of geometric transformations concerns the possibility of correcting the digital images of the distortions introduced by the camera. Often the images produced by inexpensive cameras present geometric distortions of a very la...
The Palazzo is one of the most notable monuments in the city of Padova: it was erected during the communal podestà government of Giovanni Rusconi (1218-1219), it underwent a radical restructuring by Frà Giovanni degli Eremitani in the first decade of 1300 and was almost entirely reconstructed after a devastating fire in 1420. It is still today the...
Le esigenze di documentazione sia in campo archeologico che architettonico unite alla possibilità di una gestione al computer dei modelli infografici sembrano spingere verso una convivenza tra le rappresentazioni statiche "classiche" e i modelli dinamici. Attualmente per predisporre un apparato conoscitivo appropriato, si ricorre all'uso integrato...
Working Group V/5 KEY WORDS: double curved surface, control of topographic instruments, geometric models, digital images, projections ABSTRACT As is well known, the projection on the plane of a double curved surface is possible only by introducing warping techniques, be these either angular or superficial: the simple execution operation on the plan...
Novice users currently use Digital Photogrammetric Applications increasingly in order to record close range objects of great cultural value or for the monitoring of sensitive objects or procedures (industrial and medical applications). Monoscopic procedures (digital rectification) have been embedded recently, in many popular commercial applications...
Computer has opened a new frontier in the discipline of land and urban representation: digital cartography. Venezia forma urbis. Il fotopiano digitale is a CD realized by CIRCE (the cartographic and photogrammetric centre of the Universitary Institute of Architetture of Venice) in collaboration with the venetian publisher Marsilio an it represents...
The potential offered by computer aided cartography allow us to reuse and reference historical charts. Properly georeferenced, this kind of material offers new, invaluable information. These techniques have been experimented on in the Canal Grande in Venice, one of the most important historical documents with many planimetric and vertical represent...
Riassunto Il rilievo e la rappresentazione del Giardino delle Sculture di Carlo Scarpa sono state l'occasione per confrontare sullo stesso luogo i metodi di rilievo tradizionali e consolidati, diretto, topografico e fotogrammetrico con i più recenti metodi basati sull'utilizzo del laser scanner 3D. I problemi affrontati sono vari e di varia natura:...
The problem of transforming the Cadastre Charts in order to adapt them to the Technical Charts can be overcome utilizing analytical methods on the condition that the necessary verifications are done at a later time. The main problem is to reconstruct the correct geometry of an image (working with digital maps) that has undergone distortions. The ba...
Attualmente le attività di ricerca svolte dal laboratorio di fotogrammetria del Circe si propongono
due obiettivi generali: il primo è di verificare metodi e strumenti per il rilievo di oggetti di
dimensione contenuta, come modelli lignei, globi terrestri e particolari architettonici (come ad
esempio i capitelli di uno stesso ordine che nel cors...
During the study of the medieval village of Campo it has been realized a three-dimensional model which aimed on the one hand to the representation of the complex morphology of the territory in which the center it is developed and to the consequent altimetric complexity of the built part, on the other hand, to the necessity to manage in a unitary wa...
The Photogrammetry laboratory at CIRCE is conducting a research campaign to identify a procedure for survey and representation of warping on the façades of Gothic-era Venetian buildings. With respect to an ideal plane, the warpings can be caused by to two different sources: the first, the object of this research, involves a hypothesized "entropiomb...
Le attività svolte negli ultimi anni nel settore dei beni culturali hanno mostrato come sia necessario integrare differenti metodi e strumenti di analisi al fine di ottenere un apparato conoscitivo del nostro patrimonio architettonico completo sua sotto l'aspetto geometrico che materico e figurativo. La ricerca condotta sull'anfiteatro di Grumentum...
1. Introduzione Spesso si hanno a disposizione diverse rappresentazioni dello stesso territorio, ricche di informazioni storiche e qualitative, ma scarsamente metriche, che relazionate alla cartografia esistente possono fornire tutta una serie di indicazioni e permettere degli studi sull'evoluzione del territorio stesso. Il software descritto nell'...
This paper will demonstrate how new technologies in cartographic environment integrate acquisition, management and representation techniques for georefencing data processing. Among the different formats of numerical cartography, three-dimensional maps are certainly the more suitable. These represent a cartographic typology corresponding to differen...
This paper will demonstrate how new technologies in cartographic environment integrate acquisition, management and
