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Heritage, Volume 7, Issue 11 (November 2024) – 24 articles

Cover Story (view full-size image): Our ability to digitize the built environment constantly flourishes and improves with new instruments and algorithms, while the topic of access and use of these digitized data is still being explored. An emerging solution with significant potential is represented by the web platforms for the management of 3D data. These platforms provide to their users an eased access to 3D data and various tools to interact with the geometries, extracting and adding information. This article provides a panoramic view of the main available solutions analyzing the current state of the art, the main typologies of web platforms according to their business models and target users, and their foreseeable future evolution. View this paper
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27 pages, 443456 KiB  
Article
ImageOP: The Image Dataset with Religious Buildings in the World Heritage Town of Ouro Preto for Deep Learning Classification
by André Luiz Carvalho Ottoni and Lara Toledo Cordeiro Ottoni
Heritage 2024, 7(11), 6499-6525; https://doi.org/10.3390/heritage7110302 - 20 Nov 2024
Viewed by 524
Abstract
Artificial intelligence has significant applications in computer vision studies for cultural heritage. In this research field, visual inspection of historical buildings and the digitization of heritage using machine learning models stand out. However, the literature still lacks datasets for the classification and identification [...] Read more.
Artificial intelligence has significant applications in computer vision studies for cultural heritage. In this research field, visual inspection of historical buildings and the digitization of heritage using machine learning models stand out. However, the literature still lacks datasets for the classification and identification of Brazilian religious buildings using deep learning, particularly with images from the historic town of Ouro Preto. It is noteworthy that Ouro Preto was the first Brazilian World Heritage Site recognized by UNESCO in 1980. In this context, this paper aims to address this gap by proposing a new image dataset, termed ImageOP: The Image Dataset with Religious Buildings in the World Heritage Town of Ouro Preto for Deep Learning Classification. This new dataset comprises 1613 images of facades from 32 religious monuments in the historic town of Ouro Preto, categorized into five classes: fronton (pediment), door, window, tower, and church. The experiments to validate the ImageOP dataset were conducted in two stages: simulations and computer vision using smartphones. Furthermore, two deep learning structures (MobileNet V2 and EfficientNet B0) were evaluated using Edge Impulse software. MobileNet V2 and EfficientNet B0 are architectures of convolutional neural networks designed for computer vision applications aiming at low computational cost, real-time classification on mobile devices. The results indicated that the models utilizing EfficientNet achieved the best outcomes in the simulations, with accuracy = 94.5%, precision = 96.0%, recall = 96.0%, and F-score = 96.0%. Additionally, superior accuracy values were obtained in detecting the five classes: fronton (96.4%), church (97.1%), window (89.2%), door (94.7%), and tower (95.4%). The results from the experiments with computer vision and smartphones reinforced the effectiveness of the proposed dataset, showing an average accuracy of 88.0% in detecting building elements across nine religious monuments tested for real-time mobile device application. The dataset is available in the Mendeley Data repository. Full article
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19 pages, 5117 KiB  
Article
Analysis of the Urban Transformations Derived from Railway Housing Construction in Spain During Francoism (1939–1975): An Underestimated Heritage in Use
by Aurora Martínez-Corral, Domingo Cuéllar and Tomás L. Domínguez Rodrigo
Heritage 2024, 7(11), 6480-6498; https://doi.org/10.3390/heritage7110301 - 20 Nov 2024
Viewed by 318
Abstract
Two essential characteristics of railway implementation are the large spaces of land occupied in the city and the need for workers. In Spain, both reasons and the post-war period led to the construction of many homes for employees throughout the country using different [...] Read more.
Two essential characteristics of railway implementation are the large spaces of land occupied in the city and the need for workers. In Spain, both reasons and the post-war period led to the construction of many homes for employees throughout the country using different typologies, ensembles, dwelling designs, free spaces, mixed uses, and a relationship with the surrounding city. The present work presents a quantitative and qualitative analysis of these aspects, concluding on their impact on the current configuration of the urban environment of the cities where they are located and the possibility of urban regeneration that these developments offer. It is a housing stock that is 95% in use and that, in some cases, given the city’s growth, occupies privileged current urban positions that have led to its revaluation despite its construction characteristics. The research carried out provides the analysis of the entire country, accounting for and observing the great variety of existing case studies related to different sizes of populations, typologies, and locations (center–periphery), among others. The main conclusions reflect the total absence of urban or architectural approaches in implementing these homes, the lack of quality of the free or community spaces generated between blocks, and the absolute disinterest in the quality of life beyond providing housing for workers close to the workplace. At the antipodes of current approaches to the design of social housing and living conditions, this situation discourages the regeneration of these homes aligned with the objectives of the 2030 Agenda, making their heritage conservation difficult. Full article
(This article belongs to the Special Issue Cultural Heritage as a Contributor to Territorial/Urban Resilience)
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48 pages, 7258 KiB  
Review
Integrating Emerging Technologies with Digital Twins for Heritage Building Conservation: An Interdisciplinary Approach with Expert Insights and Bibliometric Analysis
by Silvia Mazzetto
Heritage 2024, 7(11), 6432-6479; https://doi.org/10.3390/heritage7110300 - 20 Nov 2024
Viewed by 1012
Abstract
This review paper presents an interdisciplinary exploration of integrating emerging technologies, including digital twins (DTs), building information modeling (BIM), 3D laser scanning, machine learning (ML), and the Internet of Things (IoT), in the conservation of heritage buildings. Through a comprehensive literature review spanning [...] Read more.
This review paper presents an interdisciplinary exploration of integrating emerging technologies, including digital twins (DTs), building information modeling (BIM), 3D laser scanning, machine learning (ML), and the Internet of Things (IoT), in the conservation of heritage buildings. Through a comprehensive literature review spanning from 1996 to 2024, expert interviews, a bibliometric analysis, and content analysis, the study highlights a significant shift toward a preventive approach to conservation, focusing on less invasive methods to ensure long-term preservation. It highlights the revolutionary impact of detailed digital representations and real-time monitoring on enhancing conservation efforts. The findings underscore significant research gaps, such as the need for standardized information protocols and the integration of DTs with BIM, while pointing to the potential of AR and VR in enriching heritage experiences. The paper advocates for a multidisciplinary approach to effectively harness these technologies, offering innovative solutions for the sustainable preservation of cultural heritage. Full article
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40 pages, 28645 KiB  
Article
Underwater Paleotopographic and Geoarchaeological Investigations at Le Castella (Crotone, Italy): New Data on the Late Holocene Coastline Changes and the Presence of Two Disappeared Islets
by Salvatore Medaglia, Daniela Basso, Valentina Alice Bracchi, Fabio Bruno, Emilio Cellini, Ercole Gaetano, Antonio Lagudi, Fabrizio Mauri, Francesco Megna, Sante Francesco Rende, Umberto Severino and Armando Taliano Grasso
Heritage 2024, 7(11), 6392-6431; https://doi.org/10.3390/heritage7110299 - 19 Nov 2024
Viewed by 428
Abstract
A submerged elevation located off the coast of Le Castella, a small village on the Ionian Coast of Calabria (Italy) populated for thousands of years that features notable archaeological remains from the Great Greece (Magna Graecia) and the Middle Ages, was [...] Read more.
A submerged elevation located off the coast of Le Castella, a small village on the Ionian Coast of Calabria (Italy) populated for thousands of years that features notable archaeological remains from the Great Greece (Magna Graecia) and the Middle Ages, was investigated through in-depth, multidisciplinary, geoarchaeological research. This submarine elevation, once aligned with the marine terrace MIS 3 of Le Castella and still completely emerged between 10 and 8 ka years ago, slowly sank due to erosion and local tectonic-structural subsidence and was also favoured by a submerged normal fault that cuts the terrace in two. The dismantling and sinking of this part of the marine terrace has significantly changed the Late Holocene shorelines, with notable consequences on a topographic and archaeological level. In fact, one of the consequences of the sinking of this ancient promontory was the disappearance of two small islands that were reported to be right in front of Le Castella by numerous historical and cartographic sources. In the last decades, there has been a scientific debate over the existence of these islets, but no convincing evidence has been found about their actual presence up until now. This research, funded by the Marine Protected Area “Capo Rizzuto”, was conducted by means of underwater archaeological and geological surveys, geophysical seabed mapping systems, and both direct and instrumental optical surveys made with an Autonomous Surface Vehicle. The outcomes allow us to confirm the presence of these two partially emerged rock bodies up to half a millennium ago. In addition, the presence of anthropogenic extrabasinal materials in a marine area corresponding to one of the highest points of the submerged elevation allows us to define the exact position of one of the two islets. These archaeological findings have been subject, for the first time ever, to a thorough topographical and architectural analysis, then compared with other near and very similar submerged structures. On the basis of these comparisons, the findings should be attributed to the Byzantine Age or, at most, to the Middle Ages. In-depth archival research on portolan charts and navigation maps, in many cases unpublished and dating from the Middle Ages to the early 18th century, supports the results of our marine investigations from a historical point of view. Full article
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26 pages, 14206 KiB  
Article
The Heritage Building Information Modeling Methodology for Structural Diagnosis: An Integrated System of Digital Models for the Baptistery of San Giovanni in Pisa
by Giada Bartolini, Anna De Falco, Lorenzo Gianfranceschi, Massimiliano Martino and Laura Vignali
Heritage 2024, 7(11), 6366-6391; https://doi.org/10.3390/heritage7110298 - 15 Nov 2024
Viewed by 407
Abstract
The structural diagnosis of monumental buildings necessitates organizing diverse cross-disciplinary data. The H-BIM procedure employs 3D digital models to create a comprehensive virtual repository, offering advantages in documentation access, interoperability, intervention design, cost evaluation, and maintenance management. This work proposes an approach to [...] Read more.
The structural diagnosis of monumental buildings necessitates organizing diverse cross-disciplinary data. The H-BIM procedure employs 3D digital models to create a comprehensive virtual repository, offering advantages in documentation access, interoperability, intervention design, cost evaluation, and maintenance management. This work proposes an approach to combining different models while addressing interoperability challenges by best exploiting their positive characteristics. After evaluating the advantages and limitations of textured-mesh and NURBS-based models, and virtual reality environments based on specific comparison criteria, an integrated system of these models within the H-BIM framework is proposed. The latter is applied to study the relevant case of the Baptistery of San Giovanni in Pisa, Italy. The integrated H-BIM model is designed primarily to facilitate the structural diagnosis of the monument, and illustrates how combining different 3D representations, each providing multiple information with different levels of detail, enhances its capabilities. This integration results in a more effective tool for the multidisciplinary conservation of cultural heritage, accommodating a wide range of data beyond structural aspects, thus fostering collaboration among professionals from various fields of expertise. Full article
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24 pages, 1060 KiB  
Article
Cultural Heritage at Risk in World Conflicts: Digital Tools’ Contribution to Its Preservation
by Grazia Neglia, Mariarosaria Angrisano, Ippolita Mecca and Francesco Fabbrocino
Heritage 2024, 7(11), 6343-6365; https://doi.org/10.3390/heritage7110297 - 9 Nov 2024
Viewed by 1362
Abstract
Cultural heritage is, today, particularly exposed to the devastation resulting from natural phenomena, but it is even more exposed to the destruction caused by man-made ones. Consequently, it is critical to adopt suitable and concrete provisions for its preservation and conservation. The conflict [...] Read more.
Cultural heritage is, today, particularly exposed to the devastation resulting from natural phenomena, but it is even more exposed to the destruction caused by man-made ones. Consequently, it is critical to adopt suitable and concrete provisions for its preservation and conservation. The conflict that has been raging in Ukraine since February 2022 has spotlighted problems related to cultural heritage, which is increasingly considered a military target. Digital transformation and technologies integrated with legal tools can contribute to making the system of protection and recovery of cultural assets more effective and efficient by redefining methodologies to safeguard and interact with them. This paper proposes a framework for integrating legal and digital tools that are functional for the preservation, conservation, and enhancement of cultural heritage. To define it, on the one hand, the legal instruments in force were analysed, and on the other, a literature review on the digital technologies currently available was carried out. The role of digital transformation in the cultural sphere was also examined, especially in light of Ukraine’s experience with the application of digital technologies to protect and recover cultural heritage during the current conflict. Full article
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33 pages, 17093 KiB  
Article
High Temperature Effects on Global Heritage Stone Resources: A Systematic Review
by Roberta Lobarinhas, Amélia Dionísio and Gustavo Paneiro
Heritage 2024, 7(11), 6310-6342; https://doi.org/10.3390/heritage7110296 - 9 Nov 2024
Viewed by 668
Abstract
Throughout history, natural stone has been a crucial building material due to its strength, durability, and aesthetic qualities. Today, it continues to be a valuable resource, representing both a cultural heritage asset and a significant economic material. However, the increasing frequency of heat [...] Read more.
Throughout history, natural stone has been a crucial building material due to its strength, durability, and aesthetic qualities. Today, it continues to be a valuable resource, representing both a cultural heritage asset and a significant economic material. However, the increasing frequency of heat waves and fires driven by climate change poses a growing threat to stone building materials. This paper reviews the scientific attention given to the effects of high temperatures on Global Heritage Stone Resources (GHSRs), an international classification designed to enhance the recognition and status of building stones. Through a systematic SCOPUS search with refined filtering criteria, the study aims to quantify the existing research on these heritage stones. The search applied the standardized lithotype terms from GHSR publications to ensure consistency, followed by the exclusion of irrelevant terms when identified. Additionally, a relevance filter was applied to restrict the number of articles per lithotype and ensure that only the most pertinent studies were considered. Key findings from the literature reveal that exposure to high temperatures (ranging from 200 °C to 900 °C) significantly affected the studied GHSRs, leading to thermal micro-fissuring, increased porosity, and changes in water absorption, which compromise the mechanical properties of the stones. Moreover, these conditions can result in irreversible chemical transformations, exacerbating the deterioration of cultural heritage assets. The study emphasizes the critical need for research to better understand how these stone materials behave when exposed to high temperatures. It also provides a relevant framework for future investigations aimed at predicting and mitigating the effects of external threats such as fires. Full article
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28 pages, 8980 KiB  
Article
AI-Assisted Restoration of Yangshao Painted Pottery Using LoRA and Stable Diffusion
by Xinyi Zhang
Heritage 2024, 7(11), 6282-6309; https://doi.org/10.3390/heritage7110295 - 8 Nov 2024
Viewed by 698
Abstract
This study is concerned with the restoration of painted pottery images from the Yangshao period. The objective is to enhance the efficiency and accuracy of the restoration process for complex pottery patterns. Conventional restoration techniques encounter difficulties in accurately and efficiently reconstructing intricate [...] Read more.
This study is concerned with the restoration of painted pottery images from the Yangshao period. The objective is to enhance the efficiency and accuracy of the restoration process for complex pottery patterns. Conventional restoration techniques encounter difficulties in accurately and efficiently reconstructing intricate designs. To address this issue, the study proposes an AI-assisted restoration workflow that combines Stable Diffusion models (SD) with Low-Rank Adaptation (LoRA) technology. By training a LoRA model on a dataset of typical Yangshao painted pottery patterns and integrating image inpainting techniques, the accuracy and efficiency of the restoration process are enhanced. The results demonstrate that this method provides an effective restoration tool while maintaining consistency with the original artistic style, supporting the digital preservation of cultural heritage. This approach also offers archaeologists flexible restoration options, promoting the broader application and preservation of cultural heritage. Full article
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25 pages, 16485 KiB  
Article
Scan-to-BIM Process and Architectural Conservation: Towards an Effective Tool for the Thematic Mapping of Decay and Alteration Phenomena
by Manuela Aricò, Claudia Ferro, Marcello La Guardia, Mauro Lo Brutto, Germana Taranto and Gaspare Massimo Ventimiglia
Heritage 2024, 7(11), 6257-6281; https://doi.org/10.3390/heritage7110294 - 6 Nov 2024
Viewed by 1138
Abstract
Ancient monumental complexes need continuous analysis and monitoring operations to preserve a good conservation status. For this reason, the analysis of decay and alteration phenomena represents one of the main activities for their preservation. At the same time, the diffusion of Heritage Building [...] Read more.
Ancient monumental complexes need continuous analysis and monitoring operations to preserve a good conservation status. For this reason, the analysis of decay and alteration phenomena represents one of the main activities for their preservation. At the same time, the diffusion of Heritage Building Information Modelling (HBIM) methodology opens new scenarios for the management of Architectural Heritage. The paper describes the workflow based on a Scan-to-BIM approach for the generation of a decay map in an HBIM model. The workflow was applied to a significant case study, the church of “Santa Maria della Grotta” in Marsala (Italy). This church, partially excavated in a sandstone bank, is part of a larger heritage site consisting of a series of hypogea and a Punic necropolis dating back more than a thousand years. The Scan-to-BIM process, relying on an integrated survey combining mobile laser scanning and photogrammetric technologies, enabled the achievement of a complete 3D parametric model of the monument and, altogether, a detailed decay map in a BIM environment. The mapping process focused on the production of thematic maps of perimetral walls according to an abacus of decays implemented in a BIM system, useful for the analysis and conservation of the church. The work demonstrates how the Scan-to-BIM process is an efficient approach for 3D data collection and how it could facilitate the identification and mapping of pathogenic phenomena. Furthermore, the inclusion of this kind of information in the BIM model represents an effective tool for the maintenance and restoration of built heritage. Full article
(This article belongs to the Section Digital Heritage)
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14 pages, 288 KiB  
Article
Economic Contribution, Characterization, and Motivations of Tourists: The Raymi Llaqta in Peru
by Franklin Omar Zavaleta Chavez Arroyo, Alex Javier Sánchez Pantaleón, Milena Leticia Weepiu Samekash, Jhunniors Puscan Visalot and Rosse Marie Esparza-Huamanchumo
Heritage 2024, 7(11), 6243-6256; https://doi.org/10.3390/heritage7110293 - 5 Nov 2024
Viewed by 1051
Abstract
This study assesses the economic contribution and motivations of tourists attending the Raymi Llaqta festival in Chachapoyas, Peru. This study used an econometric analysis based on the application of two types of regression models: non-zero truncated Poisson regression and zero-truncated negative binomial regression. [...] Read more.
This study assesses the economic contribution and motivations of tourists attending the Raymi Llaqta festival in Chachapoyas, Peru. This study used an econometric analysis based on the application of two types of regression models: non-zero truncated Poisson regression and zero-truncated negative binomial regression. Data were collected through face-to-face structured interviews with domestic and foreign tourists who visited Chachapoyas during the festival. Results indicate significant spending on accommodation, food, transportation, and activities. Tourist satisfaction averaged 3.7, with notable appreciation for the festival’s variety, authenticity, local hospitality, and safety. While both foreign and domestic tourists expressed positive views on the cultural representation and organization of the event, they suggested improvements in hygiene and promotional efforts. Despite using a structured questionnaire, response bias could affect the accuracy of self-reported experiences. This research provides valuable insights into the festival’s direct economic impact on the local economy and highlights the importance of high tourist satisfaction for effective marketing strategies. Full article
(This article belongs to the Special Issue Heritage Tourism and Sustainable City Dynamics)
30 pages, 4187 KiB  
Article
Authenticity in Interactive Experiences
by Sofia Pescarin, Giuseppe Città and Samuele Spotti
Heritage 2024, 7(11), 6213-6242; https://doi.org/10.3390/heritage7110292 - 5 Nov 2024
Viewed by 743
Abstract
Building on our previous work presented at the Eurographics GCH conference, this paper further explores the characteristics of an “authentic experience”, developing a framework that can be applied to the development of XR and hybrid applications in the field of cultural heritage. While [...] Read more.
Building on our previous work presented at the Eurographics GCH conference, this paper further explores the characteristics of an “authentic experience”, developing a framework that can be applied to the development of XR and hybrid applications in the field of cultural heritage. While recognising the broader concept of authenticity, we have not focused on an in-depth analysis of it. Instead, we focus specifically on “authentic experiences”. Here, we have extended the definition of authenticity beyond realism or sense of presence, proposing instead a multi-dimensional approach to engaging users cognitively, emotionally, and sensorially (the “Self” dimension) and, at the same time, including two other fundamental dimensions (the “Others” and the “World”) intrinsically connected to the “Self”. We have then further detailed these three dimensions, which are the pillars of the perception of authenticity, identifying their “components” and “elements”. Finally, we transformed the elements into “actionable” design indications, setting the ground to further develop specific design (UI and UX) strategies for digital heritage and serious game applications. Full article
(This article belongs to the Special Issue Heritage as a Design Resource for Virtual Reality)
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21 pages, 3774 KiB  
Article
Looking at the Modern to Better Understand the Ancient: Is It Possible to Differentiate Mars Pigments from Archaeological Ochres?
by Maria Cecilia Carangi, Cristina Corti and Laura Rampazzi
Heritage 2024, 7(11), 6192-6212; https://doi.org/10.3390/heritage7110291 - 4 Nov 2024
Viewed by 489
Abstract
This article offers a discussion of the possibility of distinguishing ochres from Mars pigments. The discussion addresses technological, archaeological, and artistic aspects. Natural earth pigments such as ochres, siennas, and umbers have been widely used from the Paleolithic to the present day and [...] Read more.
This article offers a discussion of the possibility of distinguishing ochres from Mars pigments. The discussion addresses technological, archaeological, and artistic aspects. Natural earth pigments such as ochres, siennas, and umbers have been widely used from the Paleolithic to the present day and still find wide application despite the development of synthetic iron oxide pigment synthesis processes, called Mars pigments. The potential ability of today’s analytical techniques to distinguish between two classes of pigments of the same color with very similar chemical composition—but perhaps sufficient for reliable recognition—is also discussed. The paper begins by addressing the proper use of the terms “ochres” and “Mars pigments” and their accurate identification in artworks. It reviews the literature on the chemical–mineralogical characterization of yellow and red iron pigments and analyzes pigment catalogs to understand how companies distinguish ochres from Mars pigments. An experimental analysis using External Reflection Infrared Spectroscopy (FTIR-ER) compared painting samples made with natural ochres and Mars pigments, confirming the literature findings and suggesting future research directions. Key differences such as hematite in yellow ochres and specific spectral peaks in red ochres support the potential of FTIR-ER spectroscopy as a noninvasive tool for distinguishing pigments, especially for fragile artifacts and archaeological applications. Full article
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19 pages, 14346 KiB  
Article
Potential of Low-Cost UAV Photogrammetry for Documenting Hard-to-Access Interior Spaces Through Building Openings
by Marián Marčiš, Marek Fraštia and Katarína Terao Vošková
Heritage 2024, 7(11), 6173-6191; https://doi.org/10.3390/heritage7110290 - 1 Nov 2024
Viewed by 502
Abstract
Unmanned aerial vehicles (UAVs) are primarily used in the field of cultural heritage for mapping the exteriors of larger objects and documenting the roofs and façades of tall structures that cannot be efficiently or feasibly measured using conventional terrestrial technologies and methods. However, [...] Read more.
Unmanned aerial vehicles (UAVs) are primarily used in the field of cultural heritage for mapping the exteriors of larger objects and documenting the roofs and façades of tall structures that cannot be efficiently or feasibly measured using conventional terrestrial technologies and methods. However, due to the considerable diversity of cultural heritage, there are practical demands for the measurement of complex and inaccessible objects in interior spaces. This article focuses on the use of two different off-the-shelf UAVs for partial photogrammetric reconstruction of the attic of a mining house, which was only visible through a window in the gable wall. Data from both UAVs were compared with each other and with terrestrial laser scanning. Despite the lower quality of the results from the DJI Mini 4 Pro compared to the DJI Mavic 3 Enterprise, the results from both UAVs would still be suitable for documenting the interior attic spaces. However, a detailed analysis of the photogrammetric data indicates that, when selecting a UAV for this purpose, it is necessary to consider the limitations of the camera system, which may lead to a reduction in the geometric accuracy and completeness of the point clouds. Full article
(This article belongs to the Special Issue 3D Reconstruction of Cultural Heritage and 3D Assets Utilisation)
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22 pages, 7703 KiB  
Project Report
Co-Designing in Cultural Tourism: TExTOUR ICT Services and Performance Monitoring System
by Shabnam Pasandideh, Kashyap Raiyani, Pedro Martín Lerones, Sajib Ahmed, Pedro Pereira, Francisco J. Barrientos and João Martins
Heritage 2024, 7(11), 6151-6172; https://doi.org/10.3390/heritage7110289 - 31 Oct 2024
Viewed by 528
Abstract
The enhancement of cultural heritage for tourism can greatly benefit from the opportunities offered by Information and Communication Technologies (ICTs), promoting greater interaction and integration between all stakeholders and service providers. In recent years, ICT applications and platforms have tended to provide a [...] Read more.
The enhancement of cultural heritage for tourism can greatly benefit from the opportunities offered by Information and Communication Technologies (ICTs), promoting greater interaction and integration between all stakeholders and service providers. In recent years, ICT applications and platforms have tended to provide a platform to translate the strategic goals and performance metrics of cultural heritage tourism into comprehensive services tailored to stakeholders’ needs by participating stakeholders. A successful co-designed platform integrates explicit services—requiring specialized software tools—and implicit services, facilitating evaluation processes. This adaptability ensures continuous improvement and alignment with evolving strategies and business objectives. As part of the European project, the development of the TExTOUR open ICT platform marks a significant advancement in leveraging technology within cultural tourism. It exemplifies the creation of a sustainable and adaptable framework, co-designed specifically to support and amplify the strategic objectives of cultural heritage tourism. This approach not only fosters better engagement and management within the sector but also sets a new standard for innovation in cultural tourism practices. Full article
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14 pages, 2001 KiB  
Article
Glass Finds from the Elite House of Roue, a Sasanian City Building in Western Iran: Composition and Classification Using XRF and Raman Spectroscopy
by Farahnaz Koleini, Philippe Colomban, Narges Doosti Sani and Lily Niakan
Heritage 2024, 7(11), 6137-6150; https://doi.org/10.3390/heritage7110288 - 29 Oct 2024
Viewed by 787
Abstract
The Silk Road connected the east of Iran to the western world. Roue city is close to the Road. Six glass samples from Roue were classified on the basis of morphology, archaeological context and compositions. The samples were analysed by means of XRF [...] Read more.
The Silk Road connected the east of Iran to the western world. Roue city is close to the Road. Six glass samples from Roue were classified on the basis of morphology, archaeological context and compositions. The samples were analysed by means of XRF and Raman spectroscopy and two specific groups, namely Roue type 1 and Roue type 2, with close composition to high alumina plant-ash glass in circulation from the 6th to 10th centuries CE in Mesopotamia, Iran and Syria, were identified. The simultaneous occurrence of two types of glass in the excavated layers shows that the house was inhabited in the early Islamic period. Colours (black, amber-green, light and aqua blue) were produced mainly by the amount of iron and sulphur ions required for the amber chromophore and copper ions for the blue colour and the controlling of reducing conditions in the furnace. Full article
(This article belongs to the Special Issue Spectroscopy in Archaeometry and Conservation Science)
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12 pages, 2789 KiB  
Article
AI, Cultural Heritage, and Bias: Some Key Queries That Arise from the Use of GenAI
by Anna Foka and Gabriele Griffin
Heritage 2024, 7(11), 6125-6136; https://doi.org/10.3390/heritage7110287 - 29 Oct 2024
Viewed by 1416
Abstract
Our article AI, cultural heritage, and bias examines the challenges and potential solutions for using machine learning to interpret and classify human memory and cultural heritage artifacts. We argue that bias is inherent in cultural heritage collections (CHCs) and their digital versions and [...] Read more.
Our article AI, cultural heritage, and bias examines the challenges and potential solutions for using machine learning to interpret and classify human memory and cultural heritage artifacts. We argue that bias is inherent in cultural heritage collections (CHCs) and their digital versions and that AI pipelines may amplify this bias. We hypothesise that effective AI methods require vast, well-annotated datasets with structured metadata, which CHCs often lack due to diverse digitisation practices and limited interconnectivity. This paper discusses the definition of bias in CHCs and other datasets, exploring how it stems from training data and insufficient humanities expertise in generative platforms. We conclude that scholarship, guidelines, and policies on AI and CHCs should address bias as both inherent and augmented by AI technologies. We recommend implementing bias mitigation techniques throughout the process, from collection to curation, to support meaningful curation, embrace diversity, and cater to future heritage audiences. Full article
(This article belongs to the Special Issue AI and the Future of Cultural Heritage)
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24 pages, 5940 KiB  
Article
Reconnecting River-City: A Visibility and Accessibility Assessment of the Ping River’s View Characters in Chiang Mai City
by Janjira Sukwai and Nattasit Srinurak
Heritage 2024, 7(11), 6101-6124; https://doi.org/10.3390/heritage7110286 - 28 Oct 2024
Viewed by 628
Abstract
A river’s landmarks have advantages in attracting people to engage with natural/historical settings. However, uncontrolled development can have negative effects on the visual and obstruct people’s access. In this context, researchers have highlighted obstacles to these landmarks and suggested features of the relationship [...] Read more.
A river’s landmarks have advantages in attracting people to engage with natural/historical settings. However, uncontrolled development can have negative effects on the visual and obstruct people’s access. In this context, researchers have highlighted obstacles to these landmarks and suggested features of the relationship between the visibility and accessibility to these landmarks, aiming to preserve heritage sites. This project evaluated riverscape landmarks to develop a strategic urban design that uses scientific and spatial toolkits to maintain the historic landmark on the riverside in Chiang Mai city. The methodology utilized for GIS included visibility and accessibility assessments as variables for analyzing interconnections and classification utilizing the statistical method of hierarchical clustering analysis (HCA). The findings indicate differences in the accessibility of angular step coverage (ASC) and walking distance coverage (WDC), which have an impact on landmark designation. The city-level landmarks have the highest ASC, while various religious landmarks display the highest visibility. These factors have a unique impact on the HCA results, which are categorized into six groups that are consistent with the historical content and purpose of the landmarks. The clustered groups represent the strategic design of the riverscape, which necessitates policies to enhance the potential for preserving these icons as part of the historic landscape. Full article
(This article belongs to the Special Issue Landscapes as Cultural Heritage: Contemporary Perspectives)
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16 pages, 5776 KiB  
Case Report
Evaluating the Effect of Adaptive Reuse in the Energy Performance of Historic Buildings: A Case Study from Türkiye
by Reham Alasmar, Merve Anaç and Merve Karabeyeser Bakan
Heritage 2024, 7(11), 6085-6100; https://doi.org/10.3390/heritage7110285 - 26 Oct 2024
Viewed by 1445
Abstract
The building sector accounts for 30% to 40% of total energy consumption, and historic buildings play an important role in this proportion. Historical buildings that do not meet the required comfort conditions for the residents are adaptively reused, with various revisions. Recognizing the [...] Read more.
The building sector accounts for 30% to 40% of total energy consumption, and historic buildings play an important role in this proportion. Historical buildings that do not meet the required comfort conditions for the residents are adaptively reused, with various revisions. Recognizing the energy design of a historical building in its original condition and comparing the current situation can help create future solutions. This study examines the changes that a historic house in a hot climate zone in Türkiye experiences, from its original state up until the current situation. Energy analyses of the pre- and post-restoration situation are carried out, and the effect of adaptive reuse decisions on the energy performance of the building is investigated. A dynamic thermal simulation created with DesignBuilder was used to identify the energy use, carbon emissions, and thermal comfort. TM59 adaptive thermal comfort was used for the pre-restoration and the Fanger model for the post-restoration phase. This building, which was repurposed from a three-block residence, consists of a four-block hotel. Although the preservation of its original value is at the forefront, various structural changes were observed. The analysis demonstrates a higher occurrence of discomfort hours during summer compared to winter, consistent across both phases. Furthermore, energy consumption increased significantly, predominantly for heating, representing a doubling of energy use during the post-restoration phase. This is attributed to the building’s conversion into a hotel and the use of mechanical systems. Future research is required to develop strategies to reduce the energy consumption, carbon emissions, and discomfort hours while maintaining the value of the historic building and its materials. Full article
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32 pages, 17242 KiB  
Article
The Economics of Roman Construction in Bracara Augusta (Braga, Portugal): Building Stone Identification and Working Costs
by Jorge Ribeiro, Paula C. S. Carvalho and Ana Fragata
Heritage 2024, 7(11), 6053-6084; https://doi.org/10.3390/heritage7110284 - 25 Oct 2024
Viewed by 889
Abstract
Bracara Augusta (Braga, Portugal), one of the most important cities of the NW Iberian Peninsula, was founded by the emperor Augustus approximately between the years 16/15 BC. Throughout the Roman period, it has undergone various monumentalisation programmes according to its status, the first [...] Read more.
Bracara Augusta (Braga, Portugal), one of the most important cities of the NW Iberian Peninsula, was founded by the emperor Augustus approximately between the years 16/15 BC. Throughout the Roman period, it has undergone various monumentalisation programmes according to its status, the first one as a convent capital and a later one as a provincial capital. The investigation of the economic cost of construction in the ancient world allows us to understand Roman architecture and the society of builders, both from economic and social perspectives. In recent years, based on the works of Janet DeLaine and Paolo Barresi, despite the large number of variables and the difficulty of quantifying them, a calculation methodology has been developed to approximate the cost of architecture, based on the information contained in two main documents: the Diocletian’s Edict of Prices (301 AD) and the nineteenth-century architecture and engineering manuals summarised by Pegoretti. Our goal is to understand part of the construction process of Roman architecture in the NW Iberian Peninsula, considering the cost of raw materials, namely stone, and the labour required in its preparation and utilisation. In this study, we present a cost proposal associated with the monumentalisation of two of the city’s important buildings: the forum’s large buildings and the theatre. The construction of the city was made fundamentally using local stone, from different quarries, endowing it with notable buildings and requiring a strong contribution from the local elites. Full article
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17 pages, 14142 KiB  
Article
Determination of Adjacent Visual Buffer Zones for the Temple Town of Chiang Mai City
by Janjira Sukwai and Nattasit Srinurak
Heritage 2024, 7(11), 6036-6052; https://doi.org/10.3390/heritage7110283 - 24 Oct 2024
Viewed by 835
Abstract
Buffer zone delineation often extends from the outermost edge of a site boundary for a specific distance. This study proposes a novel approach to determining the visual buffer for the temple town of Chiang Mai city. Adjacent Visual Buffer (AVB) was determined for [...] Read more.
Buffer zone delineation often extends from the outermost edge of a site boundary for a specific distance. This study proposes a novel approach to determining the visual buffer for the temple town of Chiang Mai city. Adjacent Visual Buffer (AVB) was determined for the temples and their approaching routes using a GIS-based visibility method based on the viewing feature’s visual coverage and the observer’s visual range. The findings revealed that the total viewshed/visual range characterized the visibility of the temples in relation to the viewing feature’s height, resulting in AVB radii of varying sizes. The highest AVB radius of more than 200 m was found for temples situated in the city’s core, followed by those located on the city’s main streets and in isolated areas. The approaching route buffer was determined as a radius of 25 m from the road’s center. Interestingly, the density map results were consistent with the temple buffer results, indicating that the main roads of Chiang Mai’s historic area are highly used as an approaching route for temples. Combining the visual buffers of both temples and their approaching routes can aid in determining the level of control or guideline requirements in specific roads and areas. Full article
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28 pages, 21612 KiB  
Review
State-of-the-Art Web Platforms for the Management and Sharing of Data: Applications, Uses, and Potentialities
by Franco Spettu, Cristiana Achille and Francesco Fassi
Heritage 2024, 7(11), 6008-6035; https://doi.org/10.3390/heritage7110282 - 24 Oct 2024
Viewed by 899
Abstract
The increasing request for digitized data among several fields, including the built environment and cultural heritage (CH), highlights the need for proficient ways to access, archive, and share 3D data and related information among users. The sector of reality capture produces accurate and [...] Read more.
The increasing request for digitized data among several fields, including the built environment and cultural heritage (CH), highlights the need for proficient ways to access, archive, and share 3D data and related information among users. The sector of reality capture produces accurate and reliable products that can support building management and CH maintenance, at the price of heavy and resource-demanding data. An emerging solution to this problem is represented by the web platforms for 3D data management, that promise to relieve users from the costs of archive and hardware, providing effective visualization, access and sharing tools. The panorama of commercial web platforms is analyzed according to the Software-as-a-Service business model, and the features of some representative platforms are exposed. The paper discusses the main advantages of diffused access and collaboration and the potential issues concerning long-term archival and data persistence. It provides a general overview of the main available platforms and describes their main features, comparing their specific pros and cons according to their category. The future perspectives of the web platform sector are promising as, according to the current development path, they may be able to empower built environments and the CH sector with a diffused, systematic, and conscious use of 3D data. Full article
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22 pages, 3948 KiB  
Article
Development of a Hyperspectral Imaging Protocol for Painting Applications at the University of Seville
by Giovanna Vasco, Hélène Aureli, Isabel Fernández-Lizaranzu, Javier Moreno-Soto, Anabelle Križnar, Rubén Parrilla-Giraldez, Emilio Gómez-González and Miguel Angel Respaldiza Galisteo
Heritage 2024, 7(11), 5986-6007; https://doi.org/10.3390/heritage7110281 - 23 Oct 2024
Viewed by 1087
Abstract
In the last decade, the hyperspectral imaging (HSI) method allowed performing non-invasive analysis in the field of cultural heritage. However, a considerable limitation was given by redundant and time-consuming features, with the necessary application of statistical algorithms and image-processing tools to extract relevant [...] Read more.
In the last decade, the hyperspectral imaging (HSI) method allowed performing non-invasive analysis in the field of cultural heritage. However, a considerable limitation was given by redundant and time-consuming features, with the necessary application of statistical algorithms and image-processing tools to extract relevant information. In this study, the Centro Nacional de Aceleradores (CNA) and the Group of Interdisciplinary Physics (GFI) of the School of Engineering (ETSI) of the University of Seville tested the application of three different hyperspectral cameras in the visible and near-infrared (VNIR) and short-wave infrared (SWIR) range for the investigation of an ancient painting. A reference-based procedure was realised to build a starting personal library and to evaluate the best working conditions for non-invasive and non-destructive characterisation with data treatment using the commercially available software Evince® and Specim IQ® to apply, respectively, the Principal Component Analysis (PCA) model functions and the classification method. The evaluation of the protocol was tested by acquiring complementary information by X-ray fluorescence (XRF), Ultraviolet Luminescence (UVL) imaging, and Infrared Reflectography (IRR). This exploration established a simplified protocol to analyse the large collection of paintings of the Archbishop’s Palace and the Cathedral of Seville. Full article
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10 pages, 8136 KiB  
Article
Unusual Composition of the Sarezzano Reliquary Busts
by Maria Labate, Carmela Sirello, Maurizio Aceto, Fulvio Cervini, Simonetta Castronovo, Lorenza Operti and Angelo Agostino
Heritage 2024, 7(11), 5976-5985; https://doi.org/10.3390/heritage7110280 - 23 Oct 2024
Viewed by 752
Abstract
The interdisciplinary study of two reliquary busts from Sarezzano (Piedmont, Italy) is a perfect example of the necessity to provide for material characterisation as a recurring common practice in historical studies and a mandatory step in conservation assessment. Furthermore, the diagnostics of cultural [...] Read more.
The interdisciplinary study of two reliquary busts from Sarezzano (Piedmont, Italy) is a perfect example of the necessity to provide for material characterisation as a recurring common practice in historical studies and a mandatory step in conservation assessment. Furthermore, the diagnostics of cultural heritage play a crucial role in art historical research, providing relevant information on artefacts’ genesis, production technology, and conservation history. The study of the materials of the reliquary busts was performed by non-invasive (portable X-ray fluorescence spectrometry) and micro-invasive (stereomicroscope, attenuated total reflection Fourier transform infrared spectroscopy and powder X-ray diffraction analysis) methods. According to the results, the busts were found to be made of a tin–lead alloy, a rather unusual material for mediaeval reliquary busts. Moreover, the outcome suggests that the busts were originally silvered, except for the hair and beard which are still gilded. The analysis reveals the use of colophony as an adhesive buffer layer on the busts’ alloy, as well as inside them, to favour the metal working process, since it is found as degraded residue. Finally, even the typology of alloy decay is defined. All this information has enabled us to determine the artistic technique and estimate the value and quality of the material employed. In addition, it has led to the correct choice of materials and methods to be adopted during the restoration, and therefore the usage of more suitable solvents and tools. Full article
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13 pages, 5424 KiB  
Article
Zonal Reconstruction of Daylighting in Historic Built Environments: A Workflow to Model and Evaluate Light in Spatial and Temporal Domains
by Lars Oliver Grobe, Andreas Noback, Stephen William Wasilewski and Claudia Mächler
Heritage 2024, 7(11), 5963-5975; https://doi.org/10.3390/heritage7110279 - 22 Oct 2024
Viewed by 970
Abstract
Computer simulation allows to study daylight conditions in the past that afforded activities in antique buildings. The Python module phos4dtools implements the efficient computation of zonal daylight metrics that are considered to indicate affordances. It was employed to solve horizontal and vertical illuminance [...] Read more.
Computer simulation allows to study daylight conditions in the past that afforded activities in antique buildings. The Python module phos4dtools implements the efficient computation of zonal daylight metrics that are considered to indicate affordances. It was employed to solve horizontal and vertical illuminance for different orientations and elevations in the House of the Priestesses, a unit of the Hadrianic Garden Houses complex in Ostia. A reconstruction model of the unit was produced by collating an existing, detailed 3D documentation with other sources and our own survey data. The spatially and temporally resolved results of daylight simulation employing phos4dtools were imported into a GIS database. Assuming typical reflectance properties, illuminance thresholds were determined that are required for the perception of contrast detail and colour differences. Integration over temporal periods and spatial zones that are eligible for residential activities was implemented by queries to the database. First, preliminary results indicated different distributions of affordances by daylight, depending on the characteristics of the considered visual tasks. Horizontal illuminance decreases quickly with increasing distance to the aperture, suggesting that activities bound to a horizontal work plane were constraint to the immediate adjacency of windows and potentially open doors. Vertical illuminance, on the other hand, reaches deep into the building when the receiving surface is oriented to a window, particularly in the absence of exterior obstructions. The exemplary application of phos4dtools shows its potential in the interdisciplinary research on daylight and its implications on living practice in antique buildings. Full article
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