Uninzi kwihlabathi lokukhanyisa bayazi nge-CRI, eyaziwa ngokuba yi Isalathiso sokuHanjiswa kombala. Inokuchazwa kakuhle njengomlinganiselo wobungakanani bokukwazi komthombo wokukhanya onikiweyo ukutyhila imibala yezinto ezahlukeneyo ngokuthembekileyo xa kuthelekiswa nomthombo wokukhanya ofanelekileyo okanye wendalo. Ukuphakama kwexabiso le-CRI lomthombo wokukhanya, ngokuchanekileyo ngakumbi ukubonakala kombala wento enikiweyo.
Ubuchule be-CIE Ra bokuqikelela inkangeleko yombala iye yagxekwa ngokuthanda imilinganiselo esekwe kwiimodeli zembonakalo yombala, njenge-CIECAM02 kunye ne-CIE metamerism index ye-simulators yasemini. I-CRI ayisiyo isalathisi esilungileyo sokusetyenziswa kuvavanyo olubonakalayo lwemithombo yokukhanya, ngakumbi kwimithombo engaphantsi kwe-5000 kelvin (K). Imigangatho emitsha, efana ne-IES TM-30, isombulula le miba kwaye sele iqalile ukubuyisela ukusetyenziswa kwe-CRI phakathi kwabaqulunqi bokukhanyisa izibane. Nangona kunjalo, i-CRI isaqhelekile phakathi kweemveliso zokukhanyisa zendlu.
I-TM30-15 Iqulethe iiNgxelo ezi-3 eziphambili
- Rf: Ngokufana neCIE Ra (CRI). Ibonakalisa i-avareji yokutshintsha kombala we-99 CES ukubonisa inqanaba elipheleleyo lokufana phakathi komthombo wovavanyo kunye ne-reference illuminant. Amaxabiso aqala kwi-0 ukuya kwi-100.
- I-Rg: Ithelekisa indawo evalelweyo ngolungelelwaniso lwe-chromaticity kumndilili ngamnye we-16 hue imigqomo ukubonisa inqanaba lokuzalisa eliphakathi lomthombo wovavanyo xa kuthelekiswa nokukhanya kwereferensi. Amanqaku angathathi hlangothi yi-100, kunye namaxabiso amakhulu kune-100 ebonisa ukwanda kokuhluthwa kunye nexabiso elingaphantsi kwe-100 elibonisa ukuhla kwe-saturation. Uluhlu lwamaxabiso lukhula njengoko ukuthembeka kuncipha.
- Umboniso womzobo we-Rg ukumela ngokubonakalayo ukuba yeyiphi imibala ehlanjiweyo okanye ecace ngakumbi ngenxa yomthombo wokukhanya. Iqulethe uMzobo weVector yoMbala, uMzobo wokuGqiba koMbala.
I-Colour Vector Graphic: Ibonelela ngomboniso obonakalayo we-hue kunye neenguqu zokuzalisa ngokusekelwe kumyinge wonikezelo kwi-hue bin nganye, ngokumalunga nereferensi. Umzobo ubonelela ngokukhawuleza ukuqonda indlela imibala eyahlukeneyo eyenziwa ngayo ngeendlela ezahlukeneyo.
Umzobo wokuzalisa umbala: Ibonelela ngomboniso owenziwe lula wotshintsho lokuzalisa kuphela olusekwe kumyinge wokusebenza kumgqomo we-hue nganye.
I-CRI VS TM-30-15
| I-CIE 13.3-1995 (CRI) | IES TM-30-15 | |
| Unyaka wokukhutshwa | 1965, 1974 (Uhlaziyo), 1995 | 2015 |
| Indawo yombala | CIE 1964 UVW* | I-CAM02-UCS (CIECAM02) |
| Inani leeSampulu zeMbala | 8 jikelele (yeRa) kunye ne-6 ekhethekileyo (yeRis) | 99 |
| I-Colour Volume Coverage | KuNcinci | Igcwele kwaye iyalingana |
| Iisampulu ezigcweleyo | Hayi | Ewe |
| Iintlobo zeesampuli | Iisampulu zikaMunsell kuphela (ibala eliqingqiweyo) | Izinto ezahlukeneyo zokwenyani |
| Isampulu yeSpectral Uniformity | Hayi | Ewe |
| Izikhanyiso zeReference | Imitha ye-Blackbody, i-CIE D series | Imitha ye-Blackbody, i-CIE D series |
| Uguqulo lweReferensi | Ibukhali kwi-5000 K | Idityaniswe phakathi kwe 4500 K kunye ne 5500 K |
| Imilinganiselo yeziphumo | Isalathiso ngokubanzi, Ra (fidelity) Iindices ezi-6 ezikhethekileyo, Ri (ukunyaniseka) | I-Fidelity Index, Rf Isalathiso seGamut, Rg IVector yoMbala/iMizobo yokuZalisa I-16 i-hue-based infidelity indices Iindices ezili-16 ezisekelwe kwi-chroma Isalathisi esi-1 sokunyaniseka kwesikhumba Amanani angama-99 okuthembeka komntu ngamnye |
| Amanqaku oHlelo | Ubukhulu be-100 obungenamda usezantsi, ukukala okuguquguqukayo | 0 ukuya kwi-100, ukukala okuhambelanayo |
Kutheni i-TM30-15 ibalulekile?
- I-CRI inokufumaneka kwizibane kuyo yonke indawo namhlanje kwaye ayihambi ngoku. I-IES isalinde impendulo kwaye iya kulungelelaniswa kakhulu ne-TM30-15 ngaphambi kokuthatha indawo ye-CRI.
- I-TM30-15 iya kusetyenziswa ngokuphindaphindiweyo, ngakumbi kwizicelo apho ukunikezelwa kombala kuyeyona nto ixhalabisayo (iinkcukacha, iivenkile ezithengisayo, njl. njl.).
- Enxulumene ne-TM30-15, i-CRI inokuqhathwa, njengoko ithelekisa kuphela i-9 kwimibala ye-99 TM30-15 ihambelana. Ke ukuba wenza injineli imveliso yakho kule mibala isi-9, unganyusa amanqaku akho ngaphandle kokuphucula umgangatho womthombo wokukhanya.
Abacacisi
- I-TM-30-15 yindlela evunyiweyo. Yisebenzise kwaye unike ingxelo ukuyinceda ifikelele ekuvuthweni.
- Ukukhetha umthombo wokukhanya "ongcono" kunokuba ngumngeni ngakumbi kodwa kunomvuzo ngakumbi.
Apha ngezantsi kukho imibono eneenkcukacha zotshintsho njengoko utshintsha iimetrics ezahlukeneyo ezidweliswe ngasentla, ezinje ngeRf, Rg, kunye neCRI, kunye nothelekiso lwegrafu yevektha yombala.
Iinkonzo ezongezelelweyo
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Ukuvavanya ukuBuyiswa koMbala usebenzisa i-IES TM-30-15
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