GigaMesh and Gilgamesh 3D Multiscale Integral Invariant Cuneiform Character Extraction (English)

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As assyriologists have to handle tremendous amounts of important documents of ancient history written in cuneiform script, like the epic of Gilgamesh, we are developing an efficent system to support their daily tasks. Previous projects demonstrated the application of holography and early close-range 3D scanners for this task. Based on experiences from our previous projects in archaeology, we are focusing on processing the vast amounts of data of high resolution 3D models from todays close-range 3D scanners like the Breuckmann smartSCAN-3D-HE. The presented method exploits the high-resolution of the 3D models to extract the impressed characters as well as other features like fingerprints. Previous work typically used rendering techniques from computer graphics to visualize the characters, which then had to be processed manually. More recent approaches use methods from differential geometry for detection and extraction of coarse contour lines. These methods are computationally fast, and well-established for industrial application, but cannot cover the variations of human handwriting in form of the ? wedge shaped ? cuneiform script. To overcome the variations in size of the wedges, we choose a multiscale approach using integrating geometry. A transformation invariant function is achieved by calculating the volumes of multiple concentric spheres intersecting the volume below the 3D model's surface at each point. Due to this multiscale approach, this function is represented by the so-called feature vector. By classifying these feature vectors using auto-correlation, our system ? called GigaMesh ? can automatically extract characters, requiring only one parameter: the approximated line (wedge) width in mm. Results are shown for cuneiform tablets from the collections of the Assyriologie Heidelberg as well as from the Uruk-Warka Sammlung. Finally an outlook regarding character (en)coding and integration into related projects like the Cuneiform Digital Library Initiative (CDLI) is given.

Table of contents conference proceedings

The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

1
High Resolution Acquisition of Detailed Surfaces with Lens-Shifted Structured Light
Ritz, Martin / Scholz, Manuel / Goesele, Michael / Stork, Andre | 2010
9
Verification and Acceptance Tests for High Definition 3D Surface Scanners
Bathow, Christiane / Breuckmann, Bernd / Scopigno, Roberto | 2010
17
High Dynamic Range Video for Cultural Heritage Documentation and Experimental Archaeology
Happa, Jassim / Artusi, Alessandro / Czanner, Silvester / Chalmers, Alan | 2010
25
Geometric Morphometrics for Provenance Determination of Gallo-Roman White Clay Figurines
Bourdeu, Alexandre / Piztalis, Denis | 2010
33
Semi-Automatic Geometry-Driven Reassembly of Fractured Archeological Objects
Mellado, Nicolas / Reuter, Patrick / Schlick, Christophe | 2010
39
WreckSight: Revealing our Submerged Maritime Heritage
Rowland, Chris / Anderson, John | 2010
47
ViSMan: an Open-Source Visualization Framework for Virtual Reconstructions and Data Management in Archaeology
Diamanti, Tiziano / Blasco, Pilar Diarte / Guidazzoli, Antonella / López, Maria Sebastián / Toffalori, Elena | 2010
55
Removing Shadows for Color Projection Using Sun Position Estimation
Dellepiane, Matteo / Benedetti, Luca / Scopigno, Roberto | 2010
63
Natural Lighting, Gilts and Polychromy of Notre-Dame de Paris Cathedral
Callet, Patrick / Dumazet, Sylvain / Leclercq, Christophe / Politi, Carine | 2010
71
Analyzing Fracture Patterns in TheranWall Paintings
Shin, Hijung / Doumas, Christos / Funkhouser, Thomas / Rusinkiewicz, Szymon / Steiglitz, Kenneth / Vlachopoulos, Andreas / Weyrich, Tim | 2010
79
Rollouts of Fine Ware Pottery using High Resolution 3D Meshes
Bechtold, Sebastian / Krömker, Susanne / Mara, Hubert / Kratzmüller, Bettina | 2010
87
LIDO and CRMdig from a 3D Cultural Heritage Documentation Perspective
Pitzalis, Denis / Niccolucci, Franco / Theodoriou, Maria / Doerr, Martin | 2010
97
A Repository for 3D Model Production and Interpretation in Culture and Beyond
Doerr, Martin / Tzompanaki, Katerina / Theodoridou, Maria / Georgis, Ch. / Axaridou, A. / Havemann, Sven | 2010
105
A Distributed Object Repository for Cultural Heritage
Pan, Xueming / Beckmann, Philipp / Havemann, Sven / Tzompanaki, K. / Doerr, Martin / Fellner, Dieter W. | 2010
115
Semantic Enrichment of Geographic Data and 3D Models for the Management of Archaeological Features
Felicetti, Achille / Lorenzini, Matteo / Niccolucci, Franco | 2010
123
AnnoMAD: A Semantic Framework for the Management and the Integration of Full-text Excavation Data and Geographic Information
Felicetti, Achille / Samaes, Melissa / Nys, Karin / Niccolucci, Franco | 2010
131
GigaMesh and Gilgamesh 3D Multiscale Integral Invariant Cuneiform Character Extraction
Mara, Hubert / Krömker, Susanne / Jakob, Stefan / Breuckmann, Bernd | 2010
139
3D-ISF: An Impact Measurement Tool for Business and Strategic Planning in ICT and 3D Heritage Applications
Kaminski, Jaime / Mcloughlin, Jim / Sodagar, Babak | 2010
147
A High-Level Tool for Curators of 3D Virtual Visits and ist Application to a Virtual Exhibition of Renaissance Frescoes
Chittaro, Luca / Ieronutti, Lucio / Ranon, Roberto / Siotto, Eliana / Visintini, Domenico | 2010
155
Exploration of Large-scale Museum Artifacts through Non-instrumented, Location-based, Multi-user Interaction
Zabulis, Xenophon / Grammenos, Dimitris / Sarmis, Thomas / Tzevanidis, Kostantinos / Argyros, Antonis A. | 2010
163
Fluid Interaction in Audio-Guided Museum Visit: Authoring Tool and Visitor Device
Kaghat, Fatima-Zahra / Cubaud, Pierre | 2010
171
"The Approval of the Franciscan Rule" - Virtual Experience among the Characters of Giotto's Work
Pietroni, Eva / Antinucci, Francesco | 2010
179
Color Plate
European Association for Computer Graphics | 2010
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