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dc.contributor.authorMontagner, Cristinapor
dc.contributor.authorLinhares, João M. M.por
dc.contributor.authorVilarigues, Márciapor
dc.contributor.authorNascimento, Sérgio M. C.por
dc.identifier.citationMontagner, C., Linhares, J. M. M., Vilarigues, M., & Nascimento, S. M. C. (2016). Statistics of colors in paintings and natural scenes. Journal of the Optical Society of America a-Optics Image Science and Vision, 33(3), A170-A177. doi: 10.1364/josaa.33.00a170por
dc.description.abstractPainters reproduce some spatial statistical regularities of natural scenes. To what extent they replicate their color statistics is an open question. We investigated this question by analyzing the colors of 50 natural scenes of rural and urban environments and 44 paintings with abstract and figurative compositions. The analysis was carried out using hyperspectral imaging data from both sets and focused on the gamut and distribution of colors in the CIELAB space. The results showed that paintings, like natural scenes, have gamuts with elongated shapes in the yellow–blue direction but more tilted to the red direction. It was also found that the fraction of discernible colors, expressed as a function of the number of occurrences in the scene or painting, is well described by power laws. These have similar distribution of slopes in a log–log scale for paintings and natural scenes. These features are observed in both abstract and figurative compositions. These results suggest that the underlying chromatic structure of artistic compositions generally follows the main statistical features of the natural environment.por
dc.description.sponsorshipThis work has been supported by national funds through FCT–Fundação para a Ciência e a Tecnologia (Portuguese Foundation for Science and Technology) under project PTDC/EAT-EAT/113612/2009 and grant SFRH/BD/66488/2009. Support was also provided by the Centro de Física of Minho University, by FEDER through the COMPETE Program, by the Portuguese Foundation for Science and Technology (FCT) in the framework of the project PTDC/MHC-PCN/4731/2012, and by the European Cooperation in Science and Technology and the COST-Action TD 1201: Colour and Space in Cultural Heritage (COSCH). The authors are grateful to all team members of CAM–Centro de Arte Moderna da Fundação Gulbenkian in Lisbon (Portugal) for the fruitful collaboration, in particular to director Isabel Carlos, curator Ana Vasconcelos e Melo, and photographer Paulo Costa. The authors also acknowledge Osamu Masuda and Hélder Tiago Correia for helping in the spectral imaging of the paintings.por
dc.description.sponsorshipCentro de Física of Minho University; Colour and Space in Cultural Heritage (COSCH); European Cooperation in Science and Technology (COST) (Action TD 1201); Fundação para a Ciência e a Tecnologia (FCT, Portuguese Foundation for Science and Technology) (PTDC/EAT-EAT/113612/2009, PTDC/MHC-PCN/4731/2012, SFRH/BD/66488/2009); FEDER through the COMPETE Program.por
dc.publisherOptical Society of Americapor
dc.titleStatistics of colors in paintings and natural scenespor
oaire.citationTitleJournal of the Optical Society of America. A, Optics and image sciencepor
dc.subject.fosCiências Naturais::Ciências Físicaspor
dc.subject.wosScience & Technologypor
sdum.journalJournal of the Optical Society of America A: Optics and Image Science, and Visionpor
Appears in Collections:CDF - OCV - Artigos/Papers (with refereeing)

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