DH2015 - Digital Heritage International Congress 2015
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Item Digital Study and Web-based Documentation of the Colour and Gilding on Ancient Marble Artworks(IEEE, 2015) Siotto, Eliana; Palma, Gianpaolo; Potenziani, Marco; Scopigno, Roberto; Gabriele Guidi and Roberto Scopigno and Pere BrunetGreek and Roman marble artworks have been deeply studied from a typological and stylistic point of view, while there is still a limited knowledge on the pigments, dyes, binders and technical expedients used by Roman artists. In a renewed scientific interest towards the ancient polychromy (colour and gilding), a digital methodological and multidisciplinary approach can provide valuable information to better investigate and understand this fundamental aspect and to get a complete sense on Greek and Roman marble artworks. Following this research direction, the paper proposes a systematic methodological process defined to detect, document and visualize the preserved (and in some cases the digital reconstructed) original colour and gilding on Roman marble sarcophagi (II-IV century AD). The process defines a working pipeline that, starting from the selection of the artefact to study, proposes a set of investigation steps to improve our knowledge of its original painting. These steps include the direct virtual inspection, the archaeological and historical research, the on-site scientific investigation by multispectral imaging, spectroscopic and elemental analysis (eventually supported by micro-invasive techniques performed in laboratory), the accurate polychrome surface acquisition by colour calibrated 2D images. All the data produced are integrated with a high-resolution 3D model to support enhanced analysis and comparison and to create a digital 3D polychrome reconstruction by virtual painting. Finally, all those data are also made accessible on the web by using a cutting edge platform for visual media publication and interactive 3D visualization. This systematic and multidisciplinary process was tested on the so-called 'Annona sarcophagus’' (Museo Nazionale Romano - Palazzo Massimo, inv. no. 40799).Item Smart Devices for Intangible Cultural Heritage Fruition(IEEE, 2015) Pozzebon, Alessandro; Calamai, Silvia; Gabriele Guidi and Roberto Scopigno and Pere BrunetThis paper proposes a novel approach to the fruition of Intangible Cultural Heritage exploiting the technical features of smart devices. In particular, it presents a framework for a ''sound tourism'', in which the perception of sites is directly transmitted by the voice of the local communities through the creation of an app model for the fruition of landscape, places, and locations by means of oral archives. That is, the app model aims at boosting the added value of Intangible Cultural Heritage (e.g. popular music, oral history, languages and accents, local tradition, and folklore) by re-using it in real application environments (e.g. for tourist purposes). The proposed solution rejects the use of a smartphone as a mere displayer of information embracing an innovative philosophy that considers the smart device as a tool for the playback of audio material stored in sound archives, leaving the user free to enjoy the site he/she is visiting without the need to interact with a screen.Item 3DHOG for Geometric Similarity Measurement and Retrieval for Digital Cultural Heritage Archives(IEEE, 2015) Eckeren, Katharina van; Tausch, Reimar; Santos, Pedro; Fellner, Dieter W.; Gabriele Guidi and Roberto Scopigno and Juan BarcelóWith projects such as CultLab3D, 3D Digital preservation of cultural heritage will become more affordable and with this, the number of 3D-models representing scanned artefacts will dramatically increase. However, once mass digitization is possible, the subsequent bottleneck to overcome is the annotation of cultural heritage artefacts with provenance data. Current annotation tools are mostly based on textual input, eventually being able to link an artefact to documents, pictures, videos and only some tools already support 3D models. Therefore, we envisage the need to aid curators by allowing for fast, web-based, semi-automatic, 3D-centered annotation of artefacts with metadata. In this paper we give an overview of various technologies we are currently developing to address this issue. On one hand we want to store 3D models with similarity descriptors which are applicable independently of different 3D model quality levels of the same artefact. The goal is to retrieve and suggest to the curator metadata of already annotated similar artefacts for a new artefact to be annotated, so he can eventually reuse and adapt it to the current case. In addition we describe our web-based, 3D-centered annotation tool with meta- and object repositories supporting various databases and ontologies such as CIDOC-CRM.Item The Virtual Reconstruction of the Minaret of Mansourah Mosque (Algeria)(IEEE, 2015) Morena, Sara; Gabriele Guidi and Roberto Scopigno and Fabio RemondinoThis contribution synthetically addresses some of the photogrammetric solutions available today in the field of architectural-archaeological survey and the related applications outcome, evaluated during both the acquisition phase of metric data than in those of effective yield of refunds infographics. Therefore, we have focused on the virtual reconstruction of one of the most emblematic and symbolic building of the Algerian culture, the mosque of Mansourah, returning the minaret as it appeared before its partial collapse, namely correspondent in geometry, textures and colours. The work is part of a larger research project to promote knowledge and dissemination of Algeria cultural heritage, with 'original' approach about the validation of an integrated methodology. In particular, the analysis has led to the application of the theory of errors on the survey of the elevations obtained by the two different methods of photogrammetric survey, multi-image and stereoscopic. The documented example shows how it is possible to achieve reliable reconstructions of each structure, although presently destroyed, bringing to light traces of a story now lost.Item Fusion of 3D Data from Different Image-based and Range-based Sources for Efficient Heritage Recording(IEEE, 2015) Muñumer, Estibaliz; Lerma, José Luis; Gabriele Guidi and Roberto Scopigno and Fabio RemondinoThe rapid proliferation of three-dimensional (3D) data acquisition techniques based either on image-based approaches or on range-based approaches is changing the way cultural heritage is recorded. Independently of the technique selected, low-cost structure-from-motion (SfM) photogrammetric computer vision, stereo-plotting, surveying either with measuring tape, total station or global navigation satellite system (GNSS), up to laser scanning/LiDAR/RADAR, among others, there is a need to fuse efficiently different datasets. This research aims to test the fusion performance of the new 3DVEM - Register GEO software for the recording of a complex sculpture. The fusion of data will consider several point clouds acquired with a terrestrial laser scanner and one high-resolution point cloud generated with SfM software. The registration process is performed to merge all the data in a final homogeneous framework (reference system). The results obtained will be used to create a high-resolution 3D model of the sculpture from the consolidated data.Item Virtual 3D Reconstruction of Plans-Reliefs from Historical Document Analysis for Valorisation Applications(IEEE, 2015) Halin, Gilles; Chevrier, Christine; Jacquot, Kevin; Humbert, Pascal; Bouheni, Senda Ben; Gabriele Guidi and Roberto Scopigno and Fabio RemondinoThe French collection of Plans-Reliefs, scale models of fortified towns, constitutes an awesome architectural heritage. Facing this patrimonial richness, many cities, represented on these plans-reliefs, would like to expose, develop and exploit this historical heritage. However, the fragility, the dimension of the supports and the exposure conditions makes this acquisition difficult. Thus, the creation and the exploitation of a virtual model constitute an interesting alternative. This paper presents a method exploiting historical documentary for the 3D semantic modelling and the valorisation of the virtual Plan-Relief of Verdun. The original Plan-Relief is currently enclosed in containers in Paris.Item Digitizing the Culture of Beijing - An Introduction of the Memories of Beijing Project(IEEE, 2015) Liang, Jihong; Ma, Linqing; Wu, Yunpeng; Gabriele Guidi and Roberto Scopigno and Fabio RemondinoThe Memories of Beijing project is an effort that aims at identification, representing, and disseminating the rich culture of Beijing, the capital city of China, via the employment of digital technologies. This proposal introduces the project's work up to date.Item A MetaViewer for Sharing Multiple Media by WebGL-based Interfaces(IEEE, 2015) Bergerot, Laurent; Gabriele Guidi and Roberto Scopigno and Pere BrunetIn recent years, sharing images and videos on the Web has become common. Recently, the use of 3D models is also growing day by day, and the evolution of programming languages and libraries allow visualizing detailed 3D models and point clouds on the web. This opens new scenarios and possibilities for combining libraries, formats and contents (images, videos or 3D) within rich web layouts which can be visualized by multiple devices (PC, tablet, smartphone, ...). This current technological context represents a great opportunity for people involved the digital documentation of cultural heritage artifact, especially regarding the management of heterogeneous contents within digital libraries. In this paper we present the first results of an on-going development project aiming to develop a MetaViewer for sharing multiple media (images, videos and 3D) by the means of WebGL-based interfaces.Item Animating History - Animation Styles and Techniques of the Audiovisuals for the National Archeological Museum(IEEE, 2015) Ranchito, El; Sobre, Sopa de; National, Museo Arqueologico; Sofia Pescarin and Pedro Cano and Alfredo GrandeDigital techniques are very versatile and, going beyond hyper-realism, allow the creation of all types of very expressive solutions. The 19 audiovisual pieces made for the National Archeological Museum deal with various themes using different approaches but share the use of mixed animation techniques in which drawing, illustration and animation are integrated with 3D and digital composition in search of appropriate and innovative languages.Item Palazzo Raimondi in Cremona - 3D Survey and Diagnostic Tests for the Knowledge of Construction Techniques and Historical Materials(IEEE, 2015) Cardaci, Alessio; Versaci, Antonella; Roberti, Giulio Mirabella; Gabriele Guidi and Roberto Scopigno and Juan BarcelóThe paper deals with the 3D survey of Palazzo Raimondi in Cremona, featuring a renowned Renaissance façade, first step of a knowledge program aimed to define strengthening strategies consistent with the objective of building conservation. The laser-scanning campaign involved both external facades and the loggia on the court, extending to the flat coved vaults of the first floor, allowing detecting possible deviations from an ideal geometric reference. Non-destructive tests were also performed on materials and structures in order to widen the awareness on building behavior and attempt a first vulnerability analysis.Item What communication for museums? Experiences and reflections within the project for the Museo Egizio in Turin(IEEE, 2015) Gabellone, Francesco; Ferrari, Ivan; Giuri, Francesco; Chiffi, Maria; Sofia Pescarin and Pedro Cano and Alfredo GrandeThe Egyptian Museum in Turin project aims at being a communicative concept which, through the use of technologies for three-dimensional restitution, reconstruction and computer animation, can accelerate and enhance the cognitive abilities of the visitor, as medium capable of efficiently generating processes of ''virtuous'' learning.Item Mass Customization for Cultural Heritage 3D Models(IEEE, 2015) Quantin, Matthieu; Hervy, Benjamin; Laroche, Florent; Kerouanton, Jean-Louis; Gabriele Guidi and Roberto Scopigno and Juan BarcelóDigital technologies in the last twenty years have offered cultural heritage (CH) new possibilities in conservation and promotion. 3D digitization has especially become more and more affordable and efficient. This leads to massive digitization projects and increasing amount of CH digital data. As an engineering team working on industrial techniques for reverse engineering, we are deeply affected by this effect. In this paper we propose a way to combine semantic information on top of the acquisition and modeling steps in order to manage heterogeneous historical data. We illustrate our approach with a use case composed of three overlapping historical objects related to Nantes' harbour history.Item Analyzing the Evolution of Deterioration Patterns - A First Step of an Image-based Approach for Comparing Multitemporal Data Sets(IEEE, 2015) Peteler, Friederike; Gattet, Eloi; Bromblet, Philippe; Guillon, Odile; Vallet, Jean-Marc; Luca, Livio De; Gabriele Guidi and Roberto Scopigno and Juan BarcelóWhen documenting and analyzing cultural heritage, the monument states can be described by multitemporal data sets, which however present a complication for the elaboration and examination process. This difficulty leads to the necessity to improve the analyze process in order to expand the documentation process and help experts to enrich and share information about the historical buildings. Therefore an approach of change measurement, which supports the chronical comprehension of a building by visualizing and quantifying the dimensional temporal effects was elaborated, where the analyze process of a multitemporal data set was based on the interpretation of depth map images. These maps were obtained by generating ortho images of an object that was created on purpose by setting up an experimentation to acquire a multitemporal data set. This approach is the first step of a wider ongoing research about change detection processes on multitemporal data sets.Item DEFEND THE WALLS! SERIOUS GAME for the valorisation of the walls of the ancient city of Paestum(IEEE, 2015) Rufa, Claudio; Forlani, Massimiliano; Pietroni, Eva; Antinucci, Francesco; Rescic, Leonardo; Sofia Pescarin and Pedro Cano and Alfredo GrandeProtect the walls! is a serious game that deals with the technology and tactics of siege of the IV century BC, the war machines and the strategies of attack and defense, the architectural characteristics of the towers and the city walls of Paestum (that was called Poseidonia before the Romans). It is and educational project involving the user in a multi-sensory experience. The issue is developed through a short but spectacular movie followed by a game using gesture-based interaction, suitable for a diverse audience, particularly young people.Item A 3D Kinematic Model for Assessing the Seismic Capacity of the Frigidarium of the Baths of Diocletian(IEEE, 2015) Sadholz, Aaron; Muir, Christopher; Perucchio, Renato; Gabriele Guidi and Roberto Scopigno and Juan BarcelóThe Frigidarium of the Baths of Diocletian in Rome is one of the largest extant heritage structures built with unreinforced masonry material. The structural capacity of the Frigidarium to resist lateral accelerations generated by an earthquake is assessed by pushover analysis based on a limit kinematic approach. A 3D solid model of the Frigidarium modular section is subdivided into rigid blocks by cutting planes corresponding to the fracture surfaces determined by a preliminary nonlinear FE analysis. The blocks are then connected by rotational hinges to form a mechanism anchored to a base platform that translates horizontally with increasing acceleration. The mechanism, initially in static equilibrium, is eventually driven into dynamic conditions by the inertial forces generated by the moving platform. The intensity of the acceleration at the limit of the static condition (i.e., at the moment of impending motion) defines the structural capacity. A series of tests is conducted to evaluate the sensitivity of the model to changes in fracture orientation and hinge location, and to the introduction of friction between two blocks. Based on the current results, the capacity can be assessed at about 0.4g.Item The Labyrinthe of Versailles from 3D desktop to the Oculus Rift(IEEE, 2015) Giloth, Copper; Tanant, Jonathan; Sofia Pescarin and Pedro Cano and Alfredo GrandeThe app ''Labyrinth of Fables'' provides a virtual reality/augmented reality reconstruction of the longlost Labyrinthe of Versailles.Item Archive To Repertoire - Motion Capture and Motion Sensing Data for Digital Intangible Heritage (DIH)(IEEE, 2015) Khan, Muqeem; Gabriele Guidi and Roberto Scopigno and Juan BarcelóThis study investigates the transformation of digital documentation of Kung Fu into an interactive performative space for public engagement. The study creates an interface for learning the repertoire of forms from significant lineages from the south Chinese traditions-contributing to the perpetuation of this art form. The investigation will contribute to the theoretical understandings of the relationships between archive and repertoire, specifically in relation to performance and intangible heritage. The intricate user interaction in this study enforces the visitor's perception that the Kung Fu instructor is present behind the screen, which simulates physical intimacy.Item Sarcophagus of the Spouses Installation - Intersection Across Archaeology, 3D Video Mapping and Holographic Techniques Combined with Immersive Narrative Environments and Scenography(IEEE, 2015) Fischnaller, Franz; Guidazzoli, Antonella; Imboden, Silvano; Luca, Daniele De; Liguori, Maria Chiara; Russo, Alfonsina; Lucia, Maria Anna De; Cosentino, Rita; Gabriele Guidi and Roberto Scopigno and Pere BrunetThis paper presents the Sarcophagus of the Spouses installation, an audiovisual performance and exhibit combining 3D video mapping, holographic techniques, computer graphics, high definition visualization with 3D reconstruction and digital storytelling embedded in an immersive narrative environment and scenography. The installation is based on the Sarcophagus of the Spouses (Italian: Sarcofago degli Sposi), a terracotta Etruscan masterpiece of 1.14 m high by 1.9 m wide created around 520 BC depicting a married couple in their last hug, now located in the National Etruscan Museum of Villa Giulia, Rome.Item Geometry to Web - Jaen's Cathedral(IEEE, 2015) Tirado, Gregorio Soria; Alvarado, Lidia Ortega; Higaruela, Francisco R. Feito; Gabriele Guidi and Roberto Scopigno and Fabio RemondinoIn this paper we describe the methodology carried out in the Cathedral of Jaén (Spain) during the scanning, processing of the resulting point clouds and the post-processing into a three-dimensional model. The virtual cathedral is placed in a web-site using WebGL in order to be visited and admired in detail.Item The Venice ''Archivio di Stato'' - Innovating Digitization with X-Ray Tomography(IEEE, 2015) Albertin, Fauzia; Peccenini, Eva; Hwu, Yeukuang; Lee, Tsung-Tse; Ong, Edwin B. L.; Je, Jung Ho; Kaplan, Frédéric; Margaritondo, Giorgio; Gabriele Guidi and Roberto Scopigno and Fabio RemondinoWe present x-ray imaging results for diverse ironbased- ink antique writings - single-page manuscripts, stacks and scrolls - from the 16th century on. The objective is to elaborate new digitization techniques by x-ray tomography for the ''Venice Time Machine'' (VTM) project in collaboration with the ''Archivio di Stato''. The technique can potentially read unopened - perhaps unopenable - documents and speed up the entire digitization process of large collections. The technique is feasible thanks to the highly absorbing chemical elements in ancient European ink recipes. The corresponding x-ray contrast allows character reading with reasonably short exposure times. The impact is quite relevant: the potential feasibility of ''softer'' and faster digitization of huge collections like the Archivio di Stato - 80 km of documents spanning 10 centuries.