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A hyperspectral imaging spectral unmixing and classification approach to pigment mapping in the Gough and Selden Maps

Abstract:

In this research, a spectral unmixing and classification approach for hyperspectral imagery (HSI) of historical artifacts is introduced. The Gram Matrix and Max-D techniques have been used to estimate the within material diversity in an HSI and extract the spectra of the class exemplars, called endmembers. Due to the absence of ground truth, the exemplar spectra are assumed to represent pure materials in the scene or unique pigment mixtures. After extracting endmembers, the Nonnegative Linear...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1080/01971360.2019.1574436

Authors


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Role:
Author
ORCID:
0000-0002-5686-9843
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Role:
Author
ORCID:
0000-0002-2273-9194
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Institution:
University of Oxford
Division:
GLAM
Department:
BDLSS
Role:
Author
ORCID:
0000-0001-7257-1767
Publisher:
Taylor and Francis Publisher's website
Journal:
Journal of the American Institute for Conservation Journal website
Volume:
58
Issue:
1-2
Pages:
69-89
Publication date:
2019-03-07
Acceptance date:
2019-01-23
DOI:
EISSN:
1945-2330
ISSN:
0197-1360
Source identifiers:
980696
Language:
English
Keywords:
Pubs id:
pubs:980696
UUID:
uuid:407046de-6fc8-40e1-84d4-546f91812a4b
Local pid:
pubs:980696
Deposit date:
2019-03-08

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