Call for papers by Arianna Traviglia
Papers by Arianna Traviglia
Element Distribution Changes on the Surface of New and Aged Soda-Lime Glass: New Insights from Combined Sims and Xps Analyses
SSRN Electronic Journal
Journal of Analytical Atomic Spectrometry
Optimizing the LA-ICP-MS procedure to obtain 2D and 3D high-resolution multi-elemental imaging of... more Optimizing the LA-ICP-MS procedure to obtain 2D and 3D high-resolution multi-elemental imaging of heavily degraded Roman glass for studying glass weathering mechanisms by monitoring the lateral and in-depth distribution of elements.
Self-Referenced Method for Geometrical Distortion Removal in THz Time-Domain Reflection Imaging
IEEE Transactions on Terahertz Science and Technology
Identification of archaeological traces on the territory via airborne sensor images MIVIS : the example of Aquileia
24 page(s
This paper will focus on the results of a joint international project (a partnership between the ... more This paper will focus on the results of a joint international project (a partnership between the University of Sydney and the University of Venice) that develops and applies satellite remote sensing methodologies for finding and mapping unknown archaeological sites in the surroundings of Angkor, in Cambodia. Long famous for its temples, this World Heritage site is now increasingly recognized as a vast, low-density urban landscape. The project consists of using the spectral content of remotely sensed images to reveal the presence of buried sites and structures of the ancient Khmer landscape on the basis of the different spectral characteristics of the terrain and vegetation. By applying spectral analysis, the current research aims to scan vegetated and bare soil areas in order to clarify features that are ambiguous in existing maps and reveal features which would otherwise remain undetected
Blind Deblurring of Hyperspectral Document Images
Lecture Notes in Computer Science, 2022
The Late Roman transformations and the Early Middle Ages frequentation (phases 5a, 5b: from the end of IV to the beginning of VII century)
13 page(s
2020 25th International Conference on Pattern Recognition (ICPR)
Integration of MIVIS Hyperspectral Remotely Sensed Data and Geographical Information Systems to Study Ancient Landscapes : The Aquileia Case Study
Integration of MIVIS Hyperspectral Remotely Sensed Data and Geographical Information Systems to Study Ancient Landscapes, 2005
The research aims at the evaluation of the potentiality of the Hyperspectral MIVIS data for the i... more The research aims at the evaluation of the potentiality of the Hyperspectral MIVIS data for the identification of the possible unknown archaeological areas in the Communes of Aquileia, Terzo d'Aquileia, Fiumicello (UD).The possibility in fact to locate by spectral recognition unidentified archaeological sites is an interesting addition to the traditional survey method. A GIS, created on purpose for managing the archaeological thematic cartography, supports the interpretation and the contextualization of the remotely sensed images. The work has consisted of three phases: treatment of the images (Vegetation Indices, P.C.A., Soil Index), where the spectral informative content of the MIVIS images was used to give prominence to the presence of ancient buried sites and structures on the base of the different spectral characteristics of the terrains and of the vegetation; analysis of the archaeological issues, where a methodic collection of published data and of reference thematic cartography was realized, in order to build up an archaeological thematic map in digital format; finally, a phase of managing of the images in a total architecture (G.I.S.), where the archaeological information and the MIVIS images, processed and georeferenced, were inserted in a information system that provides and manages the data necessary to eventually recognize the surface anomalies as ancient origin traces.32 page(s
IKUWA6. Shared Heritage : Proceedings of the Sixth International Congress for Underwater Archaeology : 28 November–2 December 2016, Western Australian Maritime Museum Fremantle, Western Australia
Notes from the Underground: traces of prehistoric occupation in the Aquileian hinterland
Preistoria e Protostoria del Caput Adriae XLIX Riunione Scientifica dell'IIPP, 2018
SUMMARY – Notes from the Underground: traces of prehistoric settlements in the Aquileian hinterla... more SUMMARY – Notes from the Underground: traces of prehistoric settlements in the Aquileian hinterland – The surroundings of Aquileia (Udine, Italy) are a source of significant information that comes together to redefine the inhabitation dynamics characterising the swathe of land along the lagoon edge over the course of millennia. Geoarchaeological research integrated with field-walking surveys have recently provided new information on the potential prehistoric occupation of the area adjacent to the current coastline. RIASSUNTO – Memorie dal sottosuolo: tracce di occupazione preistorica nel suburbio aquileiese – Il territorio aquileiese offre spunti interessanti per la ricostruzione del quadro delle dinamiche insediative che hanno caratterizzato questo tratto di frangia lagunare nel corso dei millenni. Da recenti indagini geoarcheologiche, integrate da prospezioni di superficie, sono in particolare emersi nuovi dati significativi sul potenziale popolamento preistorico nell’area prospiciente l’attuale linea di costa.
Beyond spreadsheets: digitising the archaeological artefact inventory process
42nd Annual Conference on Computer Applications and Quantitative Methods in Archaeology, 2015
Stolen Heritage
<p>It is a well-known fact that organized crime has developed into an international network... more <p>It is a well-known fact that organized crime has developed into an international network that, spanning from the simple 'grave diggers' up to powerful and wealthy white-collar professionals, makes use of money laundering, fraud and forgery. This criminal chain, ultimately, damages and dissipates our cultural identity and, in some cases, even fosters terrorism or civil unrest through the illicit trafficking of cultural property.</p><p>The forms of 'possession' of Cultural Heritage are often blurred; depending on the national legislation of reference, the ownership and trade of historical and artistic assets of value may be legitimate or not. </p><p> Criminals have always exploited these ambiguities and managed to place on the Art and Antiquities market items resulting from destruction or looting of museums, monuments and archaeological areas. Thus, over the years, even the most renowned museum institutions have - more or less consciously - hosted in their showcases cultural objects of illicit origin.</p><p> Looting, thefts, illicit trade, and clandestine exports are phenomena that affect especially those countries rich in historical and artistic assets. That includes Italy, which has seen its cultural heritage plundered over the centuries ending up in public and private collections worldwide.</p><p>This edited volume features ten papers authored by international experts and professionals actively involved in Cultural Heritage protection. Drawing from the experience of the Conference <i>Stolen Heritage</i> (Venice, December 2019), held in the framework of the NETCHER project, the book focuses on illicit trafficking in Cultural Property under a multidisciplinary perspective.</p><p>The articles look at this serious issue and at connected crimes delving into a variety of fields. The essays especially expand on European legislation regulating import, export, trade and restitution of cultural objects; conflict antiquities and cultural herit [...]
Across Space and Time, 2017
The concept of the informal sector (IS) has recently received widespread and growing attention. I... more The concept of the informal sector (IS) has recently received widespread and growing attention. Indeed, it may be fair to talk about a re-emergence of the concept in the debate related to social protection and poverty reduction.. We argue that with this new found prominence, it is even more important that we better understand the IS. Only with an improved understanding of the issues and dimensions of the IS can we design policies and programs which effectively address the needs of workers engaged in informal sector activities. This paper is an attempt to contribute to such an increased understanding by highlighting important pieces in understanding the concept of the IS across (1) time, briefly discussing how our view of the concept of the IS has evolved over time and (2) space, presenting empirical evidence and stylized features across regions. After presenting the current state of knowledge of the IS, we distill key aspects and issues of the IS and discuss their implications for policy design and implementation, especially in the context of fighting poverty and improving livelihoods of the poor in developing countries.
IEEE Transactions on Terahertz Science and Technology
The increasing need of restoring high-resolution Hyper-Spectral (HS) images is determining a grow... more The increasing need of restoring high-resolution Hyper-Spectral (HS) images is determining a growing reliance on Computer Vision-based processing to enhance the clarity of the image content. HS images can, in fact, suffer from degradation effects or artefacts caused by instrument limitations. This paper focuses on a procedure aimed at reducing the degradation effects, frequency-dependent blur and noise, in Terahertz Time-Domain Spectroscopy (THz-TDS) images in reflection geometry. It describes the application of a joint deblurring and denoising approach that had been previously proved to be effective for the restoration of THz-TDS images in transmission geometry, but that had never been tested in reflection modality. This mode is often the only one that can be effectively used in most cases, for example when analyzing objects that are either opaque in the THz range, or that cannot be displaced from their location (e.g., museums), such as those of cultural interest. Compared to transmission mode, reflection geometry introduces, however, further distortion to THz data, usually neglected in existing literature. In this work, we successfully implement image deblurring and denoising of both uniform-shape samples (a contemporary 1 Euro cent coin and an inlaid pendant) and samples with the uneven reliefs and corrosion products on the surface which make the analysis of the object particularly complex (an ancient Roman silver coin). The study demonstrates the ability of image processing to restore data in the 0.25-6 THz range, spanning over more than four octaves, and providing the foundation for future analytical approaches of cultural heritage using the far-infrared spectrum still not sufficiently investigated in the literature.
The Traces of the Late Middle Ages (phases 6a, 6b: XIII-XV cent.)
6 page(s
In this work, we demonstrate a self-referencing method for removing the optical distortion from t... more In this work, we demonstrate a self-referencing method for removing the optical distortion from terahertz time-domain reflection imaging. To the authors’ knowledge, this is the first time a robust and flexible method is proposed to solve spatial phase variation problem without relying on any numerical parameter optimization nor extra-instrumental components. Here, we show the errors induced by the object physical distortion in the evaluation of the electric field phase and amplitude can be removed by correcting the spatial misalignment of the temporal terahertz signal. This consequently adjusts the severe corruption of the electric field in the far-infrared frequencies. We explain and demonstrate how to address the spatial misalignment of an object, employing the method on a tilted rigid surface and a warped surface. On these examples, we obtained highly successful results, being capable to remove imaging artifacts in the frequency-domain. We retain the method advantageous for preli...
ArXiv, 2022
This paper proposes JiGAN, a GAN-based method for solving Jigsaw puzzles with eroded or missing b... more This paper proposes JiGAN, a GAN-based method for solving Jigsaw puzzles with eroded or missing borders. Missing borders is a common real-world situation, for example, when dealing with the reconstruction of broken artifacts or ruined frescoes. In this particular condition, the puzzle’s pieces do not align perfectly due to the borders’ gaps; in this situation, the patches’ direct match is unfeasible due to the lack of color and line continuations. JiGAN, is a two-steps procedure that tackles this issue: first, we repair the eroded borders with a GAN-based image extension model and measure the alignment affinity between pieces; then, we solve the puzzle with the relaxation labeling algorithm to enforce consistency in pieces positioning, hence, reconstructing the puzzle. We test the method on a large dataset of small puzzles and on three commonly used benchmark datasets to demonstrate the feasibility of the proposed approach.
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Call for papers by Arianna Traviglia
Papers by Arianna Traviglia