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    Parametric 3D-fitted Frames for Packaging Heritage Artefacts
    (The Eurographics Association, 2012) Sá, Asla M.; Echavarria, Karina Rodriguez; Griffin, Martin; Covill, Derek; Kaminski, Jaime; Arnold, David; David Arnold and Jaime Kaminski and Franco Niccolucci and Andre Stork
    Packing fragile heritage artefacts is a challenge almost all heritage organisations have to deal with when faced with the task of transporting or storing the artefacts. The packaging solution requires fitting the artefact correctly in order to ensure the protection and safety of the item; but also to be easy and cost effective to produce. Different techniques have been traditionally used, such as double boxing, padding negative spaces and cushioning braces. However, the introduction of 3D technologies for documenting these artefacts enables innovative uses of this data for packaging purposes. Hence, this paper proposes the use of the generative modelling language in order to produce unique 3D-fitted containers for packaging heritage artefacts which fit tightly the artefact, and can be made to be reusable and more durable than traditional packaging solutions. We propose to adopt an octet lattice as a low density internal structure to the proposed container. By combining the parametric package design, 3D meshes acquisition and 3D printing techniques, we present a technology based solution to the traditional problem of protecting these valuable artefacts for transportation and/or storing purposes.
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    Vectorising Building Footprints From Historic Maps
    (The Eurographics Association, 2012) Brown, Philip G.; Laycock, Stephen D.; Day, Andy M.; David Arnold and Jaime Kaminski and Franco Niccolucci and Andre Stork
    Historic maps provide fascinating insights into the growth and development of cities over large time periods, and often the places they document have changed dramatically since their creation. However, rasterised image data is limited in that it is not easily manipulatable, for either analysis or presentation of data, and it is not easy to use the data as a basis for reconstructions. If it were possible to extract vector outlines for building footprints from the map then these limitations would be removed, and the vector outlines could easily be used as a basis for three dimensional models representing the buildings. Manually defining building outlines from maps is a laborious process and so this paper investigates the use of image processing techniques to enable a semi-automatic process to detect vector outlines of buildings from a variety of maps and to optimise the output for use as a basis for creating large scale three dimensional reconstructions.