Laser & Optoelectronics Progress, Volume. 58, Issue 6, 633001(2021)
Optimized Design of Method for Establishing Basic Spectrum Database of Computer Color Matching
Figures & Tables(9)
Fig. 2. Spectral reflectance curves of different basic inks under different concentration gradients. (a) Yellow ink; (b) magenta ink; (c) cyan ink; (d) black ink
Fig. 3. Effect of concentration range of spline ink on color matching (color difference)
Fig. 4. Effect of ink concentration gradient of on color matching (color difference)
Fig. 5. Influence of number of ink gradients on color matching (color difference)
Table 1. Sample color data of target color
View tableTable 1. Sample color data of target color
Serial number Pantone color Color data L a b 1 Pantone 1795C 47 65 41 2 Pantone 1525C 50 48 73 3 Pantone 144C 65 38 79 4 Pantone 1535C 38 34 53 5 Pantone 108C 88 0 95 6 Pantone 396C 86 -16 102 7 Pantone 368C 69 -47 64 8 Pantone 322C 39 -46 -19 9 Pantone 284C 67 -8 -37 10 Pantone 280C 17 16 -57 11 Pantone 2415C 33 64 -25 12 Pantone 234C 36 63 -12
Table 2. Orthogonal experiment results
View tableTable 2. Orthogonal experiment results
Serial number Experimental factor Color difference/NBS Concentration range Concentration gradient Number of gradients 1 0%-70% 5 4 1.178 2 0%-70% 10 5 0.935 3 0%-70% 15 6 0.772 4 40%-100% 5 5 0.698 5 40%-100% 10 6 0.730 6 40%-100% 15 4 0.753 7 0%-100% 5 6 1.013 8 0%-100% 10 4 0.742 9 0%-100% 15 5 0.844
Table 3. Color data of target color samples for verification
View tableTable 3. Color data of target color samples for verification
Serial number Pantone color Color data L a b 1 Pantone 185C 50 76 42 2 Pantone 172C 58 68 70 3 Pantone 1505C 67 56 90 4 Pantone 137C 75 32 87 5 Pantone 127C 89 -3 46 6 Pantone 3965C 87 -10 107 7 Pantone 355C 51 -72 38 8 Pantone 3288C 44 -61 1 9 Pantone 3135C 51 -53 -38 10 Pantone 2726C 40 23 -63 11 Pantone 2587C 42 41 -49 12 Pantone 214C 45 72 7
Table 4. Color matching results of 8-color optimized spectrum base database
View tableTable 4. Color matching results of 8-color optimized spectrum base database
Database Color difference /NBS Pantone 185C Pantone 172 C Pantone 1505 C Pantone 137 C Pantone 127 C Pantone 3965 C Optimal value 0.7906 1.0050 1.0796 0.8317 0.7812 0.7830 Database Color difference /NBS Pantone 355 C Pantone 3288 C Pantone 3135 C Pantone 2726 C Pantone 2587 C Pantone 214 C Optimal value 0.6963 0.9287 1.4674 2.5182 0.7251 0.8684
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Fang Lili, Wan Xiaoxia, Lü Wei, Zhu Hongyan. Optimized Design of Method for Establishing Basic Spectrum Database of Computer Color Matching[J]. Laser & Optoelectronics Progress, 2021, 58(6): 633001
Paper Information
Category: Vision, Color, and Visual Optics
Received: Oct. 19, 2020
Accepted: --
Published Online: Mar. 6, 2021
The Author Email: Xiaoxia Wan (wan@whu.edu.com)
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