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Old Man in Warnemünde (1907) colouring palette: A case study on the use of hyperspectral imaging for pigment identification

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The paper presents results from hyperspectral identification of the colouring palette used by Edvard Munch in a canvas painting entitled "Old Man in Warnemünde". The painting is part of a collection at the Munch Museum in Oslo. A collaboration between the Conservation Department of the Munch Museum and the Norwegian Colour and Visual Computing Laboratory from NTNU has allowed to analyze several points of the painting by means of hyperspectral imaging and identify thus the pigments present. The hyperspectral pigment identification involves a use of two pigment databases (Kremer and ENST) which were created using different binding media. Some results from the hyperspectral analysis were also validated through elemental analysis by means of XRF. The pigment identification method employs the shape component of spectral Kullback-Leibler pseudo-divergence function, instead of the widely-used but inaccurate spectral angle mapper. In addition to the interest of this pigment analysis for conservation practice of this particular painting, an important contribution of this paper is the validation of hyperspectral imaging and processing methods for pigment identification.
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Document Type: Research Article

Publication date: September 1, 2017

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  • CIC is the premier annual technical gathering for scientists, technologists, and engineers working in the areas of color science and systems, and their application to color imaging. Participants represent disciplines ranging from psychophysics, optical physics, image processing, color science to graphic arts, systems engineering, and hardware and software development. While a broad mix of professional interests is the hallmark of these conferences, the focus is color. CICs traditionally offer two days of short courses followed by three days of technical sessions that include three keynotes, an evening lecture, a vibrant interactive (poster) papers session, and workshops. An endearing symbol of the meeting is the Cactus Award, given each year to the author(s) of the best interactive paper; there are also Best Paper and Best Student Paper awards.

    Please note: for Purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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