Synonyms
Definition
Special Metamerism Index: Change in Observer refers to a method for evaluating the average of and the range of color mismatches for metameric color pairs when test observers with normal color vision are substituted for a reference observer (i.e., a CIE standard colorimetric observer). This method was proposed in 1989 by the CIE Technical Committee 1-07 [1]. The method, principally based on the works of Nayatani et al. [2] and Takahama et al. [3], was intended to evaluate both the average values and the range of color mismatches.
Overview
Two color stimuli with different spectral characteristics within the visible spectral range can have identical tristimulus values for a given illuminant and the reference observer (standard colorimetric observer). These stimuli are said to be metameric. Such metameric color match breaks down on changing the illuminant (illuminant metamerism) or the observer (observer metamerism). This is depicted in...
References
CIE Publication 80: Special metamerism index: Change in observer. Central Bureau of the CIE, Vienna (1989)
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Nimeroff, I., Rosenblatt, J.R., Dannemiller, M.C.: Variability of spectral tristimulus values. J. Opt. Soc. Am. A 52, 685–691 (1962)
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Sarkar, A. (2016). CIE Special Metamerism Index: Change in Observer. In: Luo, M.R. (eds) Encyclopedia of Color Science and Technology. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-8071-7_322
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DOI: https://doi.org/10.1007/978-1-4419-8071-7_322
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