precise color communication complete book (in gujarati language) :

Download Precise Color Communication complete book (In Gujarati language) :

Post on 01-Dec-2014

276 views

Category:

Education

0 download

Embed Size (px)

DESCRIPTION

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.

TRANSCRIPT

  • 1. PRECISE COLOR COMMUNICATION COLOR (Gujarati Edition) -
  • 2. . . , . . : , , . . , , , , . , * . : , , , , ? - ? : . * .
  • 3. ? 4 6 ? 8 . 10 12 14 16 , . ? 18 20
  • 4. . . . , , , , . , , , , , , . . . ?
  • 5. ?
  • 6. , . , . Visible light . , , . , , , . ?
  • 7. . Wavelength (m) Broadcasting Shortwave 102 1 FM Television Radar 10-2 10-4 Infrared 10-6 Visible light Ultraviolet 8 10 10-10 X-rays Wavelength(nm) 10-12 780 - rays Rad 700 1 -4 10 Cosmic rays Orange 600 Visible light Yellow Green Blue . 500 Indigo Violet 6 400 380
  • 8. , . . , . ; . - - . *1 , , , , , ; , . - . ( ) ( ) . . . () . : 380 780nm*2. . ( ) . *1 : ; - . Wavelength *2nm(nanometer): ; m () . 1nm =10-9m =10-6mm =10-3 m m = 10-6m = 10-3 mm = 10-3 nm . .
  • 9. ? ! . . .
  • 10. . " " . , . - - . ( , ) , . -, . " " , ? . , , - . ? . , , "vermillion ", "-", "", "", "", ",". . "", "" "" , . " " . , , "" " " . ? . ?
  • 11. .. , . , Lab color space L = 43.31 a= 47.63 b= 14.12 ( Lab .) LCh color space L * = 43.31 C * = 49.68 h * = 16.05 XYZ (Yxy) color space Y = 13.37 x = 0.4832 y = 0.3045 ( Yxy .)
  • 12. . Lab color space Lab (CIELAB ) . Yxy 1976 CIE . Yxy . CIELAB L Lightness (Light / Dark) . a b chromaticity . 6 a, b . , a b : -a +a , +b -b . ; a b , , 8 Lab 6 L . Lab : L* = 43.31 a* = 47.63 b= 14.12 Figure 7: Part of L*a*b chromaticity diagram (Lightness vs. Saturation) , a b (a=+47,63, b=+14.12) 6 . . 7 , Lightness (L=43.31) . : CIELAB
  • 13. 8: Lab , (CIELAB SPHERE) +L +b +a 5 9
  • 14. LChh color space Figure 9: Portion of a, b chromaticity diagram of Figure-6 L*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= 16.5 Chroma and lightness
  • 15. . . 1 - , . , . Lab LCh 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) Lab . 2 A: Lab color difference B: LCh color difference L= +4.03 a= -3.05 L= +4.03 C= -2.59 b= +1.04 H= +1.92 E= 5.16 E= 5.16 Lab , Eab, , . Eab . Eab . :11 Lab 2 2 2 Eab= (L) +(a) +(b) White Yellow Green Re d Blue L=+4.03,a=-3.05 b=+1.04 Eab=5.16 . LCh , . L Lab . C=-2.59 -2 ( ) .H ( ) Hab=(E)2-(L)2-(C)2 = +1.92, , 12 , -2 +b axis , . "" () A: Target color B: Specimen color BLACK A': Target color at the same lightness as specimen color
  • 16. 12: a, b , . 13, Lightness Chroma , (, ) , 2 1 Pale () , Chroma , 2 Pale () . :11 chroma lightness
  • 17. - . , ..: - , . - , . , / . . L*= -0.32 a*= -0.01 b* = +0.70 E* = 0.77 L= -0.32 a= -0.01 b= 0.70 Eab= 0.77 L= +0.11 a= -0.06 b= +0.13 E= 0.18 L= 0.11 a= -0.06 b= 0.13 Eab = 0.18 L* = -0.08 a*= -0.02 b*= +0.13 E*= 0.15 . L= -0.08 a= -0.02 b= 0.13 Eab = 0.15
  • 18. : - . K , B . B K . K - 100% . - OK/Not OK . . . 24 . , , . K B K . . K - - . K . - . , - . , - . 2 5
  • 19. , . ? . - - , . . , .
  • 20. , . , . , , , , - . , . . . . . , . . ; ( ) , . - , .. . . . .
  • 21. . Features . , - . , , . , . < > Konica Minolta CM-700d CM-2500d CIE Illuminants , spectrophotometer .. , , . , CIE , spectrophotometers . , / / CIE . . . - . Yxy , , , .
  • 22.
  • 23. 9242-4830-92 AJFIPK 25 Printed in Japan