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CHNT 25 – The success story continues

Call for Papers Wolfgang BÖRNER (1) | Irmela HERZOG (2)((1) Museen der Stadt Wien – Stadtarchaeologie, Austria | (2) The Rhineland Commission for Archaeological Monuments and Sites, Bonn, Germany) Keywords: CHNT, New Technologies, Computer, Archaeology, Cultural Heritage, Call: At the 25th CHNT conference this session offers the opportunity not only to look back on 25 years of computational archaeology and new technologies in cultural heritage, but also to learn from the past. In the first years, the name of the conference was still “Archäologie & Computer”, and in the proceedings of the first conference, Ortolf Harl, the head of the Vienna’s Urban Archaeology department at that time, wrote: “To master the plenitude of the archaeological material it is inevitable to use a computer. Well, a computer is a must! … However: with the meal the appetite grows. Well: a conference is a must!”These statements are still valid, although computers have changed a lot, and are nowadays often integrated in smart phones or tablets. The latter can be used to control drone flights with digital cameras taking pictures of cultural heritage sites. Modern technology allows creating a 3D model based on these pictures, and this is only one of many innovative approaches that appeared during the past 25 years.This session invites researchers to present their new results that were inspired by a poster or a talk given at a CHNT conference, by reading a publication of such a talk or poster, by a discussion with colleagues at a round table, during the breaks or the social events at the conference or by attending one of the CHNT workshops. Papers on CHNT projects involving colleagues from different disciplines that first met at a CHNT conference may also be submitted to this session. It is also possible to give an update on projects that were first presented at a CHNT conference some years ago and are still evolving (e.g. web sites) in a short contribution to this session. Moreover, talks that review the development of a specific CHNT topic during the past decade or a longer period of time are welcome. Submission (open April 15, 2020)Mind the...

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Machine visions

Learning systems in cultural heritage research Call for Papers Jaap Evert Abrahamse (1) | Erik Schmitz (2) | Rowin van Lanen (1, 3)((1) Cultural Heritage Agency of the Netherlands | (2) Amsterdam City Archives | (3)  Wageningen University and Research) Keywords: pattern recognition, image recognition, HTR, big data analysis, machine learning, computer-aided research Call: In the 1980s, the Austrian computer scientist Hans Moravec formulated his famous paradox, stating that reasoning, which is typical for humans, requires relatively little computation, as opposed to mobility and perception. Since then, computer power has grown rapidly. At the moment it is the concept of perception that proves an interesting though challenging feature for cultural heritage researchers. Present-day computers can generate more data, they can see sharper than humans and they can look through more data in less time. We see the emergence of more and more self-learning systems using human-computer interaction for text and pattern recognition and comparison in large digitized datasets like (handwritten) texts from archives, architectural designs, archaeological drawings and reconstructions, images of buildings, digital elevation maps or georeferenced historic maps.In this session, we welcome researchers involved in the implementation of such or comparable techniques. Contributors are not limited to showing only their results, but are also encouraged to focus on work in progress and best practices. Furthermore, presenters are invited to reflect on the future development of these types of computer-aided research in heritage. In 2009 Moravec wrote that in the foreseeable future robot researchers will work alongside humans. Therefore, during the final discussion we would like to debate whether or not we expect computers to take the next step from recognition towards classification and interpretation. For instance, by connecting or linking information from datasets too large to humanly handle. These outcomes might fuel the more theoretical discussion: could computers be used not only to answer questions formulated in the past, but also help to define new questions and in doing so explore new territories? Submission (open April 15, 2020)Mind the...

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Nuclear Techniques in cultural heritage artefacts investigations

Call for Papers Dinara ABBASOVA(Vienna, Austria) Keywords: Nuclear techniques; artefacts characterization; X-ray fluorescence spectrometry; Elemental analysis Call: Application of different methods of analysis in characterization of Cultural Heritage (CH) Artefacts in nowadays is widely used worldwide. Specificity of analyzing subject insists selection of methods of analysis. From one hand determination of the subject chemical composition is very important from another hand specificity of the subject make it difficult and impossible for analysis by classic methods. For investigation of Cultural Heritage Artefacts only non-invasive and non-destructive methods can be applied. From this point of view application of nuclear techniques are most suitable for this purpose. It has a potential for non-destructive and reliable investigation of CH artefacts. Thus, elemental analysis is extremely important in identification of unknown chemical structure of archaeological samples and taking into account all written above X-ray Fluorescence (XRF), Ion Beam Analysis (IBA): (Particle Induced Gamma-ray Emission (PIGE), Proton Induced X-ray Emission (PIXE)), Prompt gamma activation analysis (PGAA) , Neutron Activation Analysis (NAA), Rutherford backscattering (RBS) by use of appropriate detector systems, Scanning Electron Microscopy (SEM) in combination with energy (or wavelength) dispersive microanalysis has been extensively applied to obtain information on the elemental composition of Artefacts. Neutron activation analysis (NAA) has been recognized as the method of choice for archaeological provenance investigations since the 1970s. Energy dispersive X ray fluorescence (EDXRF) is a non-invasive technique using portable equipment convenient for analysis of items which cannot be moved from collections. With the same level of detection limits, SEM-EDX, providing imaging and elemental analysis of tiny details accurately selected on the surface of an object. Also, neutron tomography produces high-resolution three-dimensional images that are required to survey an object for attenuation features. These and many other’s instruments, its advantages and disadvantages, different archaeological samples characterization and diagnostics, dating and provenance tests will be discussed in this sectionI prefer to see application of different non invasive techniques such as described in abstract. ED-XRD, ED-XRF, XRF, PIXE, PIGE, NAA application for CH artefacts: porcelain, pottery, pigments, paintings, jewelry and etc.   REFERENCE: IAEA, Radiation Technology Series # 2, Submission (open April 15, 2020)Mind the...

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Modelling the Unseen

Call for Papers Daniele VILLA | Lorenzo CECCON(Politecnico di Milano, Italy) Keywords: AI, HBIM, Remote Sensing, Diagnostics, Ontologies Call: AI shows great potential in helping formulate H-BIM model hypotheses of surveyed heritage sites. It can in fact link together, on the one hand, survey data from a specific site and, on the other hand, wide data-sets of other already analysed heritage sites:  raw survey data and corresponding validated reconstructions as shared in common repositories. Based on such data – structured according to ontologies that embed previous research results as wrapped into the H-BIM model – AI could “make sense” of the survey data at stake and help build the relevant H-BIM model embedding such semantic taxonomy. It would then “suggest” reconstruction hypotheses, both as regards the inner structure and materiality of the surveyed sites, such as the wall material composition layers, and the historical/philological development thereof, such as the construction phases and “styles” of the site. The session will highlight the current uses of AI for Cultural Heritage, including, but not limited to, point cloud segmentation, bimification, model-fitting techniques and fragment re-composition. It will invite scholars to devise a new paradigm in the use of AI to create historical “Digital-Twins”, to be progressively fit to the survey and historical findings over-time. The H-BIM model would then not just represent a final reconstruction result, rather help in the process of hypothesizing and testing reconstruction hypotheses, including the site diachronic development and decay history. Special attention shall be thus dedicated to the structuring of Open Data Repositories and of the sematic HBIM families contained therein, as a key “bridging” knowledge-base between survey data and H-BIM modelling, i.e. the taxonomic “glasses” through which AI would see the world. The aim is encouraging the research community to create a sound common process and knowledge build up to “fuel” and exploit AI tools. Submission (open April 15, 2020)Mind the...

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AI methods for representation and processing of digital cultural heritage

Call for Paper Günther GÖRZ (1) | Christoph SCHLIEDER (2)((1) FAU Erlangen-Nürnberg | (2) Otto-Friedrich-Universität Bamberg, Germany) Keywords: knowledge representation, natural language processing, image analysis, reasoning, learning Call: The digital transition opens new perspectives for researchers interested in cultural processes. An increasing part of the material and immaterial heritage of Western culture is accessible via digital representations such as digital editions of manuscripts, multispectral images of paintings or 3D models of archaeological findings. Digital representations have the obvious advantage of permitting simultaneous remote access.Additional effort is needed to include more cultural creations in the digital transition. Beyond that, the sheer number of those creations already digitally accessible raises new challenges for humanities scholars. The task of analyzing and linking the many pieces of information becomes more important and difficult than ever.AI methods provide solutions to some of the challenges involved. The Semantic Web technology stack, for instance, permits knowledge-based algorithms to assist scholars in the task of linking large cultural data sets. Another issue is the vagueness and uncertainty omnipresent in the historic study of cultural processes. AI research has devised a number of methods able to deal with these phenomena. It is important, however, to realize that humanities scholars have specific requirements.The session gathers interested AI researchers and humanities scholars. We encourage submissions that report on work in progress or present a synthesis of emerging research trends. Topics of interest include, but are not limited to: Knowledge representation for scholarly digital editionsNatural language processing in corpus linguisticsImage classification and analysisOntological approaches to semantic heterogeneityKnowledge graphs in the humanitiesReasoning about and learning from uncertain or ambiguous evidence Submission (open April 15, 2020)Mind the...

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