Feem ntau hauv lub ntiaj teb teeb pom kev zoo tau paub txog CRI, tseem hu ua Xim Qhia Txog Qhov Ntsuas. Nws tuaj yeem piav qhia tau zoo tshaj plaws raws li qhov ntsuas qhov muaj peev xwm ntawm lub teeb pom kev zoo los qhia cov xim ntawm ntau yam khoom ncaj ncees hauv kev sib piv nrog lub teeb pom kev zoo lossis ntuj tsim. Qhov siab dua tus nqi CRI ntawm lub teeb pom kev zoo, qhov tseeb dua qhov pom xim ntawm cov khoom muab.
CIE Ra lub peev xwm los kwv yees cov xim zoo nkauj tau raug thuam los ntawm kev ntsuas raws li cov qauv xim, xws li CIECAM02 thiab CIE metamerism Performance index rau nruab hnub nrig simulators. CRI tsis yog qhov taw qhia zoo rau kev siv hauv kev ntsuas qhov pom ntawm lub teeb, tshwj xeeb tshaj yog rau qhov chaw qis dua 5000 kelvin (K). Cov qauv tshiab, xws li IES TM-30, daws cov teeb meem no thiab tau pib hloov kev siv CRI ntawm cov kws tsim teeb pom kev zoo. Txawm li cas los xij, CRI tseem yog ib qho ntawm cov khoom siv teeb pom kev zoo hauv tsev.
TM30-15 muaj 3 lub ntsiab lus tseem ceeb
- Rf: Analogous to CIE Ra (CRI). Characterizes qhov nruab nrab xim hloov ntawm 99 CES tus yam ntxwv ntawm tag nrho cov theem ntawm zoo sib xws ntawm qhov kev xeem qhov chaw thiab siv illuminant. Cov nqi sib txawv ntawm 0 txog 100.
- Rg: Sib piv cov cheeb tsam uas nyob ze ntawm qhov nruab nrab chromaticity coordinates nyob rau hauv txhua ntawm 16 hue bins kom characterize qhov nruab nrab saturation theem ntawm qhov kev ntsuam xyuas piv rau cov siv illuminant. Qhov qhab nia nruab nrab yog 100, nrog rau qhov muaj nuj nqis ntau dua 100 qhia tias muaj kev nce ntxiv hauv kev saturation thiab qhov tseem ceeb tsawg dua 100 qhia qhov txo qis hauv qhov saturation. Qhov ntau ntawm qhov muaj nuj nqis loj hlob raws li kev ncaj ncees txo qis.
- Ib daim duab sawv cev ntawm Rg kom pom qhov muag sawv cev rau cov xim twg raug ntxuav tawm lossis ntau dua vim yog lub teeb ci. Nws muaj xim Vector Graphic, Xim Saturation Graphic.
Xim Vector Graphic: Muab cov duab sawv cev ntawm cov xim thiab cov xim saturation hloov raws li qhov nruab nrab rendering nyob rau hauv txhua lub xim av, txheeb ze rau qhov siv. Daim duab qhia kev nkag siab sai ntawm qhov sib txawv ntawm cov xim sib txawv li cas.
Xim Saturation Graphic: Muab ib qho yooj yim pom kev sawv cev ntawm tsuas yog saturation hloov raws li qhov nruab nrab kev ua tau zoo nyob rau hauv txhua lub xim av.
CRI VS TM-30-15
| CIE 13.3-1995 (CRI) | IES TM-30-15 | |
| Xyoo Tshaj Tawm | 1965, 1974 (Revision), 1995 | 2015 |
| Xim Chaw | TIAB SA 1964 UVW* | CAM02-UCS (CIECAM02) |
| Tus lej Xim Xim | 8 general (rau Ra) ntxiv rau 6 tshwj xeeb (rau Ris) | 99 |
| Xim Volume Coverage | Limited | puv thiab sib npaug |
| Saturated Samples | Tsis yog | Yog |
| Hom qauv | Munsell cov qauv nkaus xwb (limited pigments) | Ntau yam ntawm cov khoom tiag |
| Qauv Spectral Uniformity | Tsis yog | Yog |
| Siv Illuminants | Blackbody hluav taws xob, CIE D series | Blackbody hluav taws xob, CIE D series |
| Reference Hloov | Tshaj li 5000 K | Blended ntawm 4500 K thiab 5500 K |
| Kev ntsuas tso zis | General Index, Ra (kev ncaj ncees) 6 tshwj xeeb indices, Ri (fidelity) | Fidelity Index, Rf Gamut Index, Rg Xim Vector/Saturation Graphics 16 xim raws li kev ncaj ncees indices 16 hue-raws li chroma indices 1 daim tawv nqaij tshwj xeeb fidelity index 99 tus kheej fidelity values |
| Cov khwv Tau Ntau | Max 100 yam tsis muaj kev txwv qis, sib txawv scaling | 0 txog 100, sib npaug scaling |
Vim li cas TM30-15 tseem ceeb?
- CRI tuaj yeem pom ntawm lub teeb nyob txhua qhov chaw niaj hnub no thiab tsis mus tam sim no. Lub IES tseem tos cov lus tawm tswv yim thiab feem ntau yuav hloov mus rau TM30-15 ua ntej hloov CRI.
- TM30-15 feem ntau yuav raug siv tsis tu ncua, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas muaj xim rendering yog ib qho kev txhawj xeeb tseem ceeb (specifiers, khw muag khoom, thiab lwm yam).
- Hais txog TM30-15, CRI tuaj yeem raug dag, vim nws tsuas yog piv 9 rau 99 xim TM30-15 sib raug. Yog li yog tias koj tsim koj cov khoom tsim tawm rau cov 9 xim, koj tuaj yeem ua rau koj cov qhab nia tsis tau txhim kho qhov zoo ntawm lub teeb ci.
Specifiers
- TM-30-15 yog ib txoj kev pom zoo. Siv nws thiab muab cov lus qhia los pab nws mus txog kev loj hlob.
- Xaiv lub teeb pom kev zoo "zoo dua" yuav nyuaj dua tab sis kuj tau txais txiaj ntsig ntau dua.
Hauv qab no yog qee qhov kev pom uas nthuav dav cov kev hloov pauv thaum koj hloov ntau yam kev ntsuas uas tau teev tseg saum toj no, xws li Rf, Rg, thiab CRI, thiab kev sib piv ntawm cov xim vector duab.
ntxiv Resources
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Kev ntsuas xim Rendition siv IES TM-30-15
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