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dc.contributor.authorPant, Dibakar Raj
dc.contributor.authorFarup, Ivar
dc.date.accessioned2017-02-16T13:15:36Z
dc.date.available2017-02-16T13:15:36Z
dc.date.created2012-02-29T11:15:12Z
dc.date.issued2013
dc.identifier.citationColor Research and Application. 2013, 38 (4), 259-266.nb_NO
dc.identifier.issn0361-2317
dc.identifier.urihttp://hdl.handle.net/11250/2431085
dc.description.abstractRiemannian metric tensors of color difference formulas are derived from the line elements in a color space. The shortest curve between two points in a color space can be calculated from the metric tensors. This shortest curve is called a geodesic. In this article, the authors present computed geodesic curves and corresponding contours of the CIELAB (ΔEmath image ), the CIELUV (ΔEmath image ), the OSA-UCS (ΔEE) and an infinitesimal approximation of the CIEDE2000 (ΔE00) color difference metrics in the CIELAB color space. At a fixed value of lightness L*, geodesic curves originating from the achromatic point and their corresponding contours of the above four formulas in the CIELAB color space can be described as hue geodesics and chroma contours. The Munsell chromas and hue circles at the Munsell values 3, 5, and 7 are compared with computed hue geodesics and chroma contours of these formulas at three different fixed lightness values. It is found that the Munsell chromas and hue circles do not the match the computed hue geodesics and chroma contours of above mentioned formulas at different Munsell values. The results also show that the distribution of color stimuli predicted by the infinitesimal approximation of CIEDE2000 (ΔE00) and the OSA-UCS (ΔEE) in the CIELAB color space are in general not better than the conventional CIELAB (ΔEmath image) and CIELUV (ΔEmath image) formulas.nb_NO
dc.language.isoengnb_NO
dc.publisherWileynb_NO
dc.titleGeodesic calculation of color difference formulas and comparison with the munsell color order systemnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.pagenumber259-266nb_NO
dc.source.volume38nb_NO
dc.source.journalColor Research and Applicationnb_NO
dc.source.issue4nb_NO
dc.identifier.doi10.1002/col.20751
dc.identifier.cristin912651
dc.description.localcode(c) 2012 Wiley Periodicals, Inc. This is the authors' accepted and refereed manuscript to the article.nb_NO
cristin.unitcode194,18,21,70
cristin.unitnameNorwegian Media Technology Lab
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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