濃度計測の基礎 - inx-eng.co.jp

1 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters 2006/02/28 2007/04/20 1 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters (ISO-5/1) z ISO 5 No ISO 5/1 ISO 5/2 ISO 5/3 ISO 5/4 z z ( )

2 2 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters z ISO 5 ( ) z ( ) 3 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters z propagance ( )

3 Z / 10 z 3 3 2 18 z z z =100(E=100) = (D=1) 10(E=10) 2 (D=2) =1(E=1) z (K/S) Log 4 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters influx efflux radiantflux incident flux i absorbed flux a propagated flux total propagated flux ' reflected flux transmitted flux

4 Reference standard propagated flux e ( ) reference standard reflected flux e ( ) absolute reference reflected flux A ( ) reference standard transmitted flux e ( ) extraneous flux (stray flux) aperture flux j 5 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters (Transmittance) i = (Transmittance density) 10log =D (Reflectance) i = (Reflectance density) 10log =D (Propagance) i = (Propagance density) = 10logD (Trasmittance factor) jT = (Transmission density) TDT10log = (Absolute reflectance factor)

5 AR = (Reflection density) RDR10log = (Propagance factor) jP = (Propagation density) PDP10log = (Relative trnsmittance factor) erT = (Relative transmission density) rrTTD10log = (Relative reflectance factor) erR = (Relative reflection density) rrRRD10log = (Relative propagance factor) erP = (Relative propagation density) rrPPD10log = 6 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters (ISO-5/2) z z (Influx) Kj ( ) z (Efflux) Kr z (Diffuse Density Measurement) Kj Kr 10 z (Projection Density Measurement)

6 Kj=Kr= Kj=Kr= 1 z =Efflux/Influx LogTTLog ==1 ( 10 ) z CIE( ) A ISO Influx ( ) ISO Efflex z Air( ) 0 7 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters (ISO-5/4) z (annular) 45/0 ISO 0/45 z (Influx) 45 5 z (Efflux) 0 5 z =Efflux/Influx LogTTLog ==1 ( 10 ) z CIE( ) A ISO Influx ( ) ISO Efflex z 1.

7 400 700nm 5% 2. 3. ( ISO In-House Apprication ) 8 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters 9 (ISO-5/3) z lSO visual density ( ) Printing density ISO Type 1 2 lSO type 1 printing density 340 470nm (Diazo) ( )

8 LSO type 2 printing density 340 540 nm ( ) lSO status A density ( ) lSO status M density lSO status T density ( ) lSO status E density Status T ISO nallw-band density (50%) 20nm 40nm lSO status I density B/G/R=430/535/625 5nm ( ) lSO type 3 density S-1 800 5nm 20nm 80% ISO type 3 z 23 2 C 50 5% z ( ) ( ) z Influx ISO-5/3 z RGB 3 3 ( StatusT CMY(RGB)= Y Status I )

9 sakata INX ,LTD Color and Appearance Technology Tokyo headquarters 10 z ISO3664-2000(Viewing condition Graphic technology and photography) 1. D50 (2000 500lx) 90 CIE51 UV<4 2. 5 3. 2 4 4. D50 75 100cd/ 32 64lx z ANSI (Color Prints, Transparencies, and Photomechanical Reproductions Viewing Condition) 1. D50 (1400 300lx) 90 2.

10 ( ) 60 N8 z ISO4807-1997 (Photography Method for the determination of densitometer performance specification ) (8 ) z DIN 16536-1986 1. DIN 430 40 80nm 530 60 100nm 620 50 100nm 2. DIN 430 20 30nm 530 20 30nm 620 20 30nm z JIS B 9622:2000( ) ISO 13656:2000 z JIS B 9623:2002( - - ) ISO 14981:2000 1. 2. CIE A 2856 100K 3. ISO 5/3 4.