precise color communication(in gujarati language) : a study booklet for understanding color & its...

Download Precise Color Communication(In Gujarati language) : A Study booklet for Understanding Color & its science

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Precise Color Communication(In Gujarati language) : A Study booklet for Understanding Color & its science. Mr. Gilbert Tan, Konica Minolta Sensing Singapore pte ltd, recognized the need & strength of local Indian language GUJARATI: Released a Study Booklet prepared by Mr. Manish Kapadia, Mr. Sunil Malvankar & Mr. Yogesh Wandrekar, jointly with Jay Instruments & Systems Pvt. Ltd, at Morbi, Gujarat. Mr. Hardik Patel Director-Shiwkon Instruments & Mr. Dakshesh Darji of Jay Instruments (JISL) could reach around 75 key ceramic companies to distribute the hard copies printed in Gujarati language. The local people say that reading & referring to mother tongue language Gujarati helps pick up the subject matter with better insight & ease.

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  • 1. PRECISE COLOR COMMUNICATION COLOR (Gujarati Edition) -

2. . . , . 3. . 4. ? 5. , . , . 6. . 7. ? ! . . . 8. . " " . , . ? . ? 9. . , . , L*a*b* color space L * = 43.31 a* = 47.63 b* = 14.12( L*a*b* .) L*C*h color space L * = 43.31 C * = 49.68 h = 16.05XYZ (Yxy) color space Y = 13.37 x = 0.4832 y = 0.3045( Yxy .) 10. . L*a*b* color spaceL*a*b* (CIELAB ) . Yxy 1976 CIE . Yxy . CIELAB L Lightness (Light / Dark) . a b chromaticity . 6 a, b . L* = 43.31 a* = 47.63 b*= 14.12Figure 7: Part of L*a*b chromaticity diagram (Lightness vs. Saturation) 11. 8: L*a*b* , (CIELAB SPHERE) 12. L*C*h* color spaceL*C*h L*a*b* , . , L* Lightness L*a*b* L* C* h . C* 0 . + a* axis ; 0 at +a* axis (), 90 at +b* (), 180 at -a* (), 270 at -b* (). CIELCH L* = 43.31 c* = 49.68 h*= 16.5Figure 9: Portion of a*, b* chromaticity diagram of Figure-6 13. . . 1- , . , . L*a*b* L*C*h Apple1s color (L* =43.31, a* =+47.63, b* =+14.12) Apple1 standard , Apple2s color (L*=47.34, a*=+44.58, b*=+15.16) , . ( 11) L*a*b* . A: L*a*b* color difference 2L* = +4.03 a* = -3.05 b* = +1.04 E* = 5.16B: L*C*h* color difference L* = +4.03 C* = -2.59 H* = +1.92 E* = 5.16 14. __________________ E*ab= (L*)2+(a*)2+(b*)2 L*a*b* , DE*ab, , . DE*ab . DE*ab . __________________ E*ab= (L*)2+(a*)2+(b*)2 DL*=+4.03, Da*=-3.05 Db*=+1.04 DE*ab=5.16 . L*C*h , . DL* L*a*b* . DC*=-2.59 -2 ( ) . DH* ( ) H*ab=(E*)2(L*)2-(C*)2 = +1.92, , 12 , -2 +b* axis , . "" () 15. L*C*h Color Space 16. :13chroma lightness , ., Lightness Chroma , (, ) , 2 1 Pale () , Chroma , 2 Pale () . 17. - L* = a* = b* = E* =-0.32 -0.01 +0.70 0.77 . L* a* b* E*= +0.11 = -0.06 = +0.13 = 0.18 L* = -0.08 a* = -0.02 b* = +0.13 E*ab = 0.15 18. : - . 19. , . ? . - - , . . , . 20. , . ; ( ) - . 21. . Features . , - . , , . , . < > CIE Illuminants , spectrophotometer .. . , , . , CIE , spectrophotometers . , Konica Minolta CM-700d CM-2500d / / CIE . . - . Yxy , , , . 22. PRECISE COLOR COMMUNICATION COLOR (Gujarati Edition) - Thanks. www.jayinst.com www.konicaminolta.sg