Now showing items 421-440 of 646

    • Objective and Subjective Evaluation of Virtual Relighting from Reflectance Transformation Imaging Data 

      Pintus, Ruggero; Dulecha, Tinsae; Jaspe, Alberto; Giachetti, Andrea; Ciortan, Irina; Gobbetti, Enrico (The Eurographics Association, 2018)
      Reflectance Transformation Imaging (RTI) is widely used to produce relightable models from multi-light image collections. These models are used for a variety of tasks in the Cultural Heritage field. In this work, we carry ...
    • OCHRE a Powerful Tool for Culture Historical Research - A Chronological Model for Historical Roads and Paths 

      Vletter, Willem (IEEE, 2015)
      In this paper the Online Cultural and Historical Research Environment (OCHRE) will be presented as a tool that facilitates the dating of historical roads and paths. It is makes use of extracted roads and paths from Airborne ...
    • On Ancient Coin Classification 

      Zaharieva, Maia; Huber-Moerk, Reinhold; Noelle, Michael; Kampel, Martin (The Eurographics Association, 2007)
      Illegal trade and theft of coins appears to be a major part of the illegal antiques market. Image based recognition of coins could substantially contribute to fight against it. Central component in the permanent identification ...
    • On Combining Epigraphy, TLS, Photogrammetry, and Interactive Media for Heritage Documentation: The Case Study of Djehutihotep's Tomb in Dayr al-Barsha 

      Lima, Roberto de; Sykora, Toon; Meyer, Marleen De; Willems, Harco; Vergauwen, Maarten (The Eurographics Association, 2018)
      The governors' tombs located at Dayr al-Barsha are considered among the most important monuments of the Egyptian Middle Kingdom. Unfortunately, due to quarrying activities, looting, and natural catastrophes, the archaeological ...
    • On the 3D Documentation of the Igel Column Original and Copy. Structured 3D Survey and Analytical 3D Information System 

      Schaich, Martin; Jahnke, Peter; Knechtel, Sebastian; Rahrig, Max (The Eurographics Association, 2013)
      The Igel Column, 23 m high, is one of the best known Roman column monuments in Germany and is part of the UNESCO World Heritage 'Roman Structures, Cathedral and Church of Our Lady' in Trier. The list also includes a ...
    • On the Digital Reconstruction and Interactive Presentation of Heritage Sites through Time 

      El-Hakim, Sabry F.; MacDonald, George; Lapointe, Jean-François; Gonzo, Lorenzo; Jemtrud, Michael (The Eurographics Association, 2006)
      Virtual time travel from existing remains of a heritage site to its previous states and original condition is an educational and interesting experience and can provide better understanding of history. However, digitally ...
    • On the Interactive 3D Reconstruction of Iberian Vessels 

      Melero, F.J.; Torres, J.C.; León, A. (The Eurographics Association, 2003)
      Reconstructing vessels from sherds is a complex task, specially for hand made pottery. That is the case of the Iberian vessels. The reconstruction process can be done in three steps: orientation of the sherd, computing the ...
    • On the Use of Computer Vision for Numismatic Research 

      Zambanini, Sebastian; Kampel, Martin; Schlapke, Mario (The Eurographics Association, 2008)
      This paper gives a survey about numismatic research fields where computer vision methods have the potential to improve the effectiveness and impact of research work. In total, five different parts of numismatic research ...
    • On-site AR Interface based on Web-based 3D Database for Cultural Heritage in Egypt 

      Yasumuro, Yoshihiro; Matsushita, Ryosuke; Higo, Tokihisa; Suita, Hiroshi (The Eurographics Association, 2016)
      We have been developing a web-based 3D archiving system for supporting the diverse specialties and nationalities needed for carrying out the survey and restoration work of the archaeological project at the Mastaba of Idout ...
    • On-the-fly automatic alignment and global registration of free path collected 3D scans 

      Signoroni, Alberto; Bonarrigo, Francesco; Pezzotti, Nicola (The Eurographics Association, 2013)
      We present a complete geometry processing pipeline for multiple 3D scans alignment, composed by a fast, automated feature-based coarse alignment and an efficient global registration, with the aim to enable high-quality and ...
    • One Man's Trash: Using XRF to Recreate Ancient Narratives from Metallurgical Waste Heaps in Southern Jordan 

      Liss, Brady; Levy, Thomas (IEEE, 2015)
      Recent excavations at Khirbat al-Jariya, an Iron Age copper smelting center in Southern Jordan, were supplemented with X-Ray Fluorescence (XRF) spectroscopy to study the diachronic narrative of copper smelting over the ...
    • One object many stories: Introducing ICT in museums and collections through digital storytelling 

      Ioannidis, Yannis; Raheb, Katerina El; Toli, Eleni; Boile, Maria; Katifori, Akrivi; Mazura, Margaretha (The Eurographics Association, 2013)
      This paper discusses issues related to digital storytelling and its use in Cultural Heritage institutions. It will demonstrate the usefulness and advantages of digital storytelling by providing concrete examples of adoption ...
    • An Ontological Model for Conservation-restoration of Cultural Objects 

      Niang, Cheikh; Leboucher, Elise; Bouiller, Luc; Capderou, Christine; Marinica, Claudia (IEEE, 2015)
      In this paper we present a domain ontology dedicated to the conservation-restoration process of cultural objects. We particularly focus on the development of the elements related to events affecting a cultural object.
    • Ontological Modelling for Archaeological Data 

      D'Andrea, Andrea; Marchese, Giulia; Zoppi, Tommaso (The Eurographics Association, 2006)
      The need to investigate an archaeological context causes the inevitable destruction of the upper strata in favour of the lower ones. On-site research activity therefore translates into a documentation activity (forms/pho ...
    • An Ontology for 3D Cultural Objects 

      Niccolucci, Franco; D'Andrea, Andrea (The Eurographics Association, 2006)
      3D cultural objects are digital 3D replicas of objects having a cultural value, as models of artefacts, reconstructions of buildings, sites and landscapes. As such, they have a twofold nature, and inherit properties both ...
    • Open Source and Open Standards for Using Integrated Geographic Data on the Web 

      Felicetti, Achille; Lorenzini, Matteo (The Eurographics Association, 2007)
      This article describes the first results of our research concerning the developement of a complete Open Source system based on W3C and ISO 19100 standards to integrate and manage spatial and non-spatial archaeological ...
    • OpenREC: A Framework for 3D Reconstruction of Models from Photographs 

      Arroyo, Germán; Martín, Domingo (The Eurographics Association, 2017)
      In this paper we introduce openREC to the scientific community, an extendable framework for reconstruction of 3D models from photographs. This system provides a framework designed for archaeologist, art restorers, architects, ...
    • Optimized Image Sampling for View and Light Interpolation 

      Gunawardane, Prabath; Wang, Oliver; Scher, Steven; Rickards, Ian; Davis, James; Malzbender, Tom (The Eurographics Association, 2009)
      Accurate virtual reconstruction of real world objects has long been a desired goal of image-based computer graphics. Usually this involves a lengthy capture process where an object is photographed from different viewpoints ...
    • Optimizing UAV Systems for Rapid Survey and Reconstruction of Large Scale Cultural Heritage Sites 

      Meyer, Dominique; Fraijo, Elioth; Lo, Eric Kwok Cheung; Rissolo, Dominique; Kuester, Falko (IEEE, 2015)
      Recording geometrically and aesthetically accurate models of cultural heritage sites is important for both their conservation and understanding of historical importance. Rapid imaging systems are required to capture models ...
    • Orthogonal IRT Imaging 

      Franzen, Christoph; Siedler, Gunnar; Franzen, Carola; Vetter, Sebastian (The Eurographics Association, 2013)
      For the montage of large true to scale image plans the high quality of rectification of all single images is a major requirement. An automatic image processing with marker matching and rectification of IRT image stacks is ...