【英文标准名称】:StandardPracticeforCalculationofWeightingFactorsforTristimulusIntegration
【原文标准名称】:计算三色合成权重因数的标准实施规程
【标准号】:ASTME2022-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E12.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:color-matchingfunctions;illuminant;illuminant-observerweights;source;tristimulusweightingfactors;Color-matchingfunctions;Illuminant-observerweights;Tristimulusvalue;Weightingfactors
【摘要】:Thispracticeisintendedtoprovideamethodthatwillyielduniformityofcalculationsusedinmaking,matching,orcontrollingcolorsofobjects.Thisuniformityisaccomplishedbyprovidingamethodforcalculationofweightingfactorsfortristimulusintegrationconsistentwiththemethodsutilizedtoobtaintheweightingfactorsforcommonilluminant-observercombinationscontainedinPracticeE308.Thispracticeshouldbeutilizedbypersonsdesiringtocalculateasetofweightingfactorsfortristimulusintegrationwhohavecustomsource,orilluminantspectralpowerdistributions,orcustomobserverresponsefunctions.Thispracticeassumesthatthemeasurementintervalisequaltothespectralbandwidthintegralwhenapplyingcorrectionforbandwidth.1.1Thispracticedescribesthemethodtobeusedforcalculatingtablesofweightingfactorsfortristimulusintegrationusingcustomspectralpowerdistributionsofilluminantsorsources,orcustomcolor-matchingfunctions.1.2Thispracticeprovidesmethodsforcalculatingtablesofvaluesforusewithspectralreflectanceortransmittancedata,whicharecorrectedfortheinfluencesoffinitebandpass.Inaddition,thispracticeprovidesmethodsforcalculatingweightingfactorsfromspectraldatawhichhasnotbeenbandpasscorrected.Inthelattercase,acorrectionfortheinfluenceofbandpassontheresultingtristimulusvaluesisbuiltintothetristimulusintegrationthroughtheweightingfactors.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortoitsuse.
【中国标准分类号】:L81
【国际标准分类号】:85_060
【页数】:10P.;A4
【正文语种】:英语