Abstract

To improve the spectral image representation and reproduction accuracy, an interim connection space (ICS) was proposed. Three offset functions were defined to make up the wave regions uncovered by the CIEXYZ color matching functions. The XYZLMS ICS was determined based on the CIEXYZ and defined offset functions. The spectral and colorimetric representation accuracy of the proposed ICS was compared to LabPQR and LabRGB with various spectral datasets as testing samples. The results indicated that the proposed ICS outperformed the other two ICS as a whole.

© 2012 Optical Society of America

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References

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  1. H. L. Shen and J. H. Xin, Opt. Lett. 32, 96 (2007).
    [CrossRef]
  2. X. D. Zhang, Q. Wang, J. C. Li, P. Yang, and J. Y. Yu, J. Opt. Soc. Am. A 29, 1027 (2012).
    [CrossRef]
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    [CrossRef]
  5. F. Nakaya and N. Ohta, Proc. IS&T/CIC 16, 289 (2008).
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    [CrossRef]
  7. Spectral Database, University of Joensuu Color Group, http://spectral.joensuu.fi/ .
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2012 (1)

2008 (2)

S. Tsutsumi, M. R. Rosen, and R. S. Berns, Color Res. Appl. 33, 282 (2008).
[CrossRef]

F. Nakaya and N. Ohta, Proc. IS&T/CIC 16, 289 (2008).

2007 (2)

Y. H. Zhao and R. S. Berns, Color Res. Appl. 32, 343 (2007).
[CrossRef]

H. L. Shen and J. H. Xin, Opt. Lett. 32, 96 (2007).
[CrossRef]

2003 (1)

M. R. Rosen and N. Ohta, Proc. IS&T/SID 11, 187 (2003).

Berns, R. S.

S. Tsutsumi, M. R. Rosen, and R. S. Berns, Color Res. Appl. 33, 282 (2008).
[CrossRef]

Y. H. Zhao and R. S. Berns, Color Res. Appl. 32, 343 (2007).
[CrossRef]

Li, J. C.

Nakaya, F.

F. Nakaya and N. Ohta, Proc. IS&T/CIC 16, 289 (2008).

Ohta, N.

F. Nakaya and N. Ohta, Proc. IS&T/CIC 16, 289 (2008).

M. R. Rosen and N. Ohta, Proc. IS&T/SID 11, 187 (2003).

Rosen, M. R.

S. Tsutsumi, M. R. Rosen, and R. S. Berns, Color Res. Appl. 33, 282 (2008).
[CrossRef]

M. R. Rosen and N. Ohta, Proc. IS&T/SID 11, 187 (2003).

Shen, H. L.

Tsutsumi, S.

S. Tsutsumi, M. R. Rosen, and R. S. Berns, Color Res. Appl. 33, 282 (2008).
[CrossRef]

Wang, Q.

Xin, J. H.

Yang, P.

Yu, J. Y.

Zhang, X. D.

Zhao, Y. H.

Y. H. Zhao and R. S. Berns, Color Res. Appl. 32, 343 (2007).
[CrossRef]

Color Res. Appl. (2)

S. Tsutsumi, M. R. Rosen, and R. S. Berns, Color Res. Appl. 33, 282 (2008).
[CrossRef]

Y. H. Zhao and R. S. Berns, Color Res. Appl. 32, 343 (2007).
[CrossRef]

J. Opt. Soc. Am. A (1)

Opt. Lett. (1)

Proc. IS&T/CIC (1)

F. Nakaya and N. Ohta, Proc. IS&T/CIC 16, 289 (2008).

Proc. IS&T/SID (1)

M. R. Rosen and N. Ohta, Proc. IS&T/SID 11, 187 (2003).

Other (2)

Spectral Database, University of Joensuu Color Group, http://spectral.joensuu.fi/ .

Spectral power distribution (SPD) curves, http://research.ng-london.org.uk/scientific/spd/ .

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Figures (4)

Fig. 1
Fig. 1

Comparison between the error spectrums and the visual sensitivity functions.

Fig. 2
Fig. 2

CIE1931XYZ and constructed LMS functions.

Fig. 3.
Fig. 3.

PQR value distribution of Munsell Altas.

Fig. 4.
Fig. 4.

LMS value distribution of Munsell Altas.

Tables (2)

Tables Icon

Table 1. RMSE Statistics of the Three ICS

Tables Icon

Table 2. CIELAB Color Difference Statistics of the Three ICS

Equations (10)

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v offset ( λ ) = v s ( λ ) max v s ( λ ) ,
m e = 0.1131 λ n 3 + 2.8089 λ n 2 22.1864 λ n + 56.5867 ,
l e = 0.024 λ n 3 + 2.0424 λ n 2 20.1024 λ n + 52.7551 ,
r b = r A ( A A ) 1 t 1 ,
t 2 = k V o P r b ,
k = 100 / m i ,
r ˜ c = A ( A A ) 1 t 1 .
r ˜ b = W t 2 ,
W = N t × P I N V ( T 2 t ) ,
r ˜ = r c + r ˜ b .

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