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      The limits of resolution

      Electronic Visualisation and the Arts (EVA 2010) (EVA)

      Electronic Visualisation and the Arts

      5 - 7 July 2010

      Spatial resolution, Fine detail, Artefacts, Digitisation, Image archives

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          Abstract

          This paper challenges the notion that a fixed spatial resolution is applicable for digitising all items in a collection, irrespective of their characteristics. The fineness of detail in crafted objects depends on the granularity of the substrate, the diameter of the tool, and the visual contrast sensitivity of the craftsman. The ability of an imaging device to capture fine detail is characterised by its modulation transfer function (MTF). A technique based on the 1-D Fourier transform is introduced for determining the spatial frequency of the finest detail in an object. It is proposed that for capturing hand-crafted detail the image should resolve features of 50 μm diameter, requiring 40 samples per mm (1200 dpi).

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          Most cited references 5

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          NORMAL VALUES OF THE ACCOMMODATION AT ALL AGES

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            Mechanical alteration of the paint film

             S KECK,  SHELDON KECK (1969)
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              Digitization of stained glass

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                Author and article information

                Contributors
                Conference
                July 2010
                July 2010
                : 149-156
                Affiliations
                Faculty of Media

                London College of Communication
                Article
                10.14236/ewic/EVA2010.25
                © Lindsay MacDonald. Published by BCS Learning and Development Ltd. Electronic Visualisation and the Arts (EVA 2010), London, UK

                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Electronic Visualisation and the Arts (EVA 2010)
                EVA
                London, UK
                5 - 7 July 2010
                Electronic Workshops in Computing (eWiC)
                Electronic Visualisation and the Arts
                Product
                Product Information: 1477-9358BCS Learning & Development
                Self URI (journal page): https://ewic.bcs.org/
                Categories
                Electronic Workshops in Computing

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