3D scanning and modelling in archaeology

Presentations for the course of “3D scanning and modelling in archaeology” which will be held this spring at the University of Hradec Kralove have been added to teaching materials.

The aim of the course is to present basic methods, principles and devices used for 3D acquisition of archaeological artefacts and ecofacts. The course will consist of both theoretical and practical parts. The theoretical part will focus on a brief presentation of 3D acquisition methods (e.g. laser triangulation scanners, structured light, computed tomography, photogrammetry). The practical part will consist of scanning of real-world artefacts.

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DACORD updated

The DACORD application, originally published in Journal on Computing and Cultural Heritage, has been updated. The recent version is available here. The original version of the application, along with the article can be found on the official webpage of Association for Computing Machinery (link).



Course “Iron Age in Europe” at the Departement of archaeology UHK

The new course – Iron Age in Europe – an extension to one given by Tomáš Mangel, will take place at the Departement of archaeology at the University of Hradec Králové in spring 2019.

The aim of this course is to present and discuss new discoveries and current research topics in the Iron Age archaeology in the European context. Students will be introduced into the issues linked with the emergence of European archaeological/cultural entities, throughout their social and economic development and long-distance relations, until their final destabilisation and/or transformations. The main part of the course will deal with issues linked with the complexity and biases of existing methodological approaches of funerary and settlement areas and will point out to some new methodologies and perspectives of their application for the modern archaeological inquiries. This theoretical background will be complemented by the presentation of several recent case-studies intended to investigate the problematics.

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Course “Statistics and geometric morphometrics” at the Departement of archaeology UHK

The new course – Modern quantitative methods and shape analysis in archaeology – will take place at the Departement of archaeology at the University of Hradec Králové in spring 2019 and 2020.

cours_morphometrics.PNGThe aim of the course is to apprehend to quantitatively express and process the information about the shape of archaeological artefacts. Students will be familiarised with the traditional and modern geometric morphometrics methods (2D/3D landmark analysis, analyses of open or closed contours, etc.). An essential part of the course will be devoted to the recent shape acquisition techniques (3D scanning, photogrammetry, etc.), followed the statistical treatment of the morphometric data. At the end of the course, students should be able to choose an appropriate method to solve variety of archaeological questions concerning various artefact productions (stone, ceramic, metal), dated to diverse chronological periods.

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DACORD published

A paper named Computer-Assisted Orientation and Drawing of Archaeological Pottery, written by Wilczek, J., Monna, F., Jébrane, A., Labruère Chazal, C., Navarro, N., Couette, S. and Chateau, C., whose aim is to simplify the routine work of ceramic documentation has been recently published in Journal on Computing and Cultural Heritage.

ceram3.PNGArchaeologists spend considerable time orienting and drawing ceramic fragments by hand for documentation, to infer their manufacture, the nature of the discovery site and its chronology, and to develop hypotheses about commercial and cultural exchanges, social organisation, resource exploitation, and taphonomic processes. This study presents a survey of existing solutions to the time-consuming problem of orienting and drawing pottery fragments. Orientation is based on the 3D geometry of pottery models, which can now be acquired in minutes with low-cost 3D scanners. Several methods are presented: they are based on normal vectors, or circle fittings, or profile fittings. All these methods seek to determine the optimal position of the rotation axis. We also present and discuss new approaches and improvements to existing methods. We have developed a suite of functions for the computer-assisted orientation and drawing of archaeological pottery. The profile and contours of the fragment, as well as any possible decoration, can be depicted in various ways: photorealistic rendering or dotted patterns, calculated by ambient occlusion, combined or not with artificial light. The general workflow, evaluated using both synthetic and real-world fragments, is rapid, accurate, and reproducible. It drastically reduces the amount of routine work required to document ceramic artefacts. The information produced, together with the 3D representation of the fragments, can easily be archived and/or exchanged within the archaeological community for further research. The source code (built in the R environment), together with an installation notice and examples, is freely downloadable.

See here for more information.

DACORD : Computer-Assisted Drawing of Archaeological Pottery (the CADAPtable system) – Conference Poster

DACORD_poster_smallThe DACORD functional system, developed within the scope of collaboration between the University of Burgundy (Dijon) and Masaryk University (Brno), orients and draws archaeological pottery, based on 3D model geometry, using modern mathematical, graphical, optimization methods. The orientation workflow combines existing approaches (normal vectors, horizontal / vertical sections, etc.) with new methods, to segment fragments (external and internal surfaces), and to erase parts that provide no information about the rotational axis (fractures, plastic decoration, etc.). Archaeological illustrations adapted to most norms and standards of pottery drawings can then be produced from these correctly oriented models. All pottery orientation and drawing methods are implemented in DACORD software, developed in R.

Download:  professors_icon-25pct.png  rg2