By Henry R. Kang

Henry Kang presents the basic colour rules and mathematical instruments to arrange the reader for a brand new period of colour replica, and for next purposes in multispectral imaging, scientific imaging, distant sensing, and computing device imaginative and prescient. This booklet is meant to bridge the distance among colour technology and computational colour expertise, placing colour variation,

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14) to Eq. 23b), we obtain AT ( κ) = AT (κ 1 − κ 2 ) = AT κ 1 − AT κ 2 = [0, 0, 0]T − [0, 0, 0]T = [0, 0, 0]T . 23c) proves that the difference between the spectra of two metameric blacks is still a metameric black. Moreover, metameric blacks may be created from other metameric blacks, such as the addition or subtraction of two metameric blacks, or the multiplication of a metameric by a positive or negative factor. This provides the means to generate an infinite number of residues; thus, an infinite number of metamers.

19 (7) If η is a unit monochromatic radiation of wavelength λi , then Rη or η´ becomes a simple copy of the ith column of R. This indicates that each column or row of the matrix R (R is symmetric) is the fundamental metamer of a unit monochromatic stimulus. Therefore, η´ is a weighted sum of the fundamental metamers of all the monochromatic stimuli that constitute η. Moreover, the unweighted sum of columns or rows in matrix R gives the fundamental of an equal-energy color stimulus as shown in Fig.

B. Cohen, Color and color mixture: Scalar and vector fundamentals, Color Res. Appl. 13, pp. 5–39 (1988). 3. G. Wyszecki, Valenzmetrische Untersuchung des Zusammenhanges zwischen normaler und anomaler Trichromasie, Die Farbe 2, pp. 39–52 (1953). 4. G. Wyszecki, Evaluation of metameric colors, J. Opt. Soc. Am. 48, pp. 451– 454 (1958). 5. J. B. Cohen and W. E. Kappauf, Metameric color stimuli, fundamental metamers, and Wyszecki’s metameric blacks, Am. J. Psychology 95, pp. 537– 564 (1982). 6. J. B.

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