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显色指数CRI到底是什么?
发布时间:2020-02-12   点击次数:55次

XIANSEZHISHUCRISHIDENGGUANGJISHULINGYUDECHANGYONGCANSHU,ZHIWUTIYONGGAIGUANGYUANZHAOMINGHEYONGBIAOZHUNGUANGYUAN(YIBANYITAIYANGGUANGZUOBIAOZHUNGUANGYUAN)ZHAOMINGSHI,QIYANSEFUHECHENGDUDELIANGDU,YEJIUSHIYANSEBIZHENDECHENGDU。

1.CRI定义

DUIDENGGUANGCONGYERENYUANERYAN,XIANSEZHISHUCRISHICHANGYONGSHUYU,DAJIAJINGCHANGZAIGUANGYUANDESHUJUZILIAOSHANGJIANDAOCRIZHI,BINGQIEZHIDAOTAFANYINGLEGUANGYUANZAIXIANSEXINGFANGMIANDEHAOHUAI。

DANSHITADESHIJIHANYISHISHENME?CRIZHIYOUZHUYUPANDUANYIKUANZHAOMINGSHEBEIZHONGYINGCAIYONGSHENMEGUANGYUAN,CRIZHIYUEGAOYUEHAO,DANRENMENSHIFOUZHIDAOTASHIJIYAOCELIANGXIESHENME,RUHECELIANG?BIRUOLIGHT S1MINIDECRIZHIWEI90,ZHEIDAODICHUCHUANDALEYIXIESHENMEXINXI?BOWUGUANDEDENGGUANGZHILIANGBIXUZAICRI 95YISHANGZHEIYOUSHIWEISHENMENI?

JIANDANLAISHUOJIUSHI:XIANSEXINGSHIPINGJIAZHAOMINGZHILIANGDEZHONGYAOFANGMIAN,XIANSEZHISHUZESHIPINGJIAGUANGYUANXIANSEXINGDEZHONGYAOFANGFA,SHIHENGLIANGRENGONGGUANGYUANYANSETEXINGDEZHONGYAOCANSHU,XIANSEZHISHUYUEGAO,SHUOMINGGUANGYUANDEXIANSEXINGYUEHAO,DUIWUTIDESECAIHAIYUANNENGLIYUEQIANG。

国际照明委员会(CIE)对显色性的定义是:与标准的参考光源相比较,一个光源对物体颜色外貌所产生的效果。

换句话说,CRI是一个光源与标准光源(例如日光)相比较下在颜色辨认方面的一种测量方法,CRI是一种得到普遍认可的度量标准,也是目前评价与报告光源显色性的途径。

华夏棋牌CRIZHEIYIDULIANGBIAOZHUNDEQUELIBINGBUYAOYUAN,QICHUZHIDINGZHEIGEBIAOZHUNDEMUDESHIYONGTALAIMIAOSHU20SHIJI60NIANDAIKAISHIDALIANGSHIYONGDEYINGGUANGDENGDEXIANSEXING,BINGBANGZHUYONGHULIJIEGUANGPUFENBUCHENGXIANZHUANGDEYINGGUANGDENGKEYINGYONGYUNAXIECHANGHE。

CRIDECELIANGYUGUIDINGDE14KUAIYANSEYANGPIN(YIXIAJIANCHENG“SEYANG”)ZAIBEICEGUANGYUANXIACHENGXIANCHUDEWAIMAOYUBIAOZHUNDECANKAOGUANGYUANXIACHENGXIANCHUDEWAIMAOZHIJIANDECHAYIMIQIEXIANGGUAN。

SUIRANCRIDETUIDAOSHITONGGUOSHUXUEFANGFA,ERQIEYIZHANGSHIJIDESEKATUYEBUNENGYONGYUCEDINGCRIZHI,DANSHIZHEIXIESEYANGDOUZHENSHICUNZAI,TAMENDOUXUANZIMENGSAIERYANSEYANGPIN。

14块标准色样

QIAN8KUAISEYANGTONGCHANGYONGLAICEDINGYIBANXIANSEZHISHU(TONGCHANGRENMENTICHUDECRIZHIJIUSHIZHIYIBANXIANSEZHISHU),XUANQUDETCS01~TCS08JUYOUZHONGDENGBAOHEDUYUDAZHIXIANGTONGDEMINGDU,BINGQIEYANSEFANWEIHANGAILEZHENGGEKEJIANGUANGPU。

华夏棋牌HOU6KUAISHITESHUYANSEYANGPIN,TCS09~TCS14HENSHAOSHIYONG,TAMENZHONGCHULEYOUMOFANGOUZHOURENFUSEYUSHUYELVSEWAI,HAIBAOKUOLEBAOHEDUGENGGAODEYUANSE。

2.CRI的技术

JINGUANRENZHENZIXIDIGUIDINGLEZHEIXIESEYANG,BINGQIEZHENSHIWUTIKEYICHANSHENGZHEIXIESEYANGDEYANSE,DANSHICRIZHISHIWANQUANTONGGUOJISUANTUIDAOCHULAIDE,MINGBAIZHEIDIANFEICHANGZHONGYAO,WUXUYONGZHENSHIGUANGYUANZHAOSHEZHENSHISEYANG。

华夏棋牌WOMENYAOZUODEJIUSHISHIYONGCEDEDEGUANGYUANGUANGPUYUZHIDINGSEYANGDEGUANGPUXIANGBIJIAO,RANHOUTONGGUOSHUXUEFENXIDEFANGSHITUIDAOJISUANCHUCRIZHI。

YINCI,DUICRIZHIDECELIANGSHILIANGHUADE、KEGUANDE,TAJUEBUSHIYIZHONGZHUGUANCELIANG(ZHUGUANCELIANGJINPINGJIEYIWEISHOUGUOXUNLIANDEGUANCHAZHE,YOUQIPANDUANNAGEGUANGYUANDEXIANSEXINGGENGHAO)。

JIYUYANSEZHIJUEDEBIJIAOYEHENYOUYIYI,QIANTISHIBEICEGUANGYUANYUCANKAOGUANGYUANLIANGZHEDESEWENBIXUXIANGTONG。

LIRU,SHITUBIJIAOSEWENWEI2900KDENUANBAISEGUANGYUANYUSEWENWEI5600KDELENGBAISEGUANGYUAN(RIGUANG)ZHAOSHEXIADELIANGKUAIXIANGTONGSEYANGDEWAIMAOCHAYIWANQUANSHILANGFEISHIJIAN。

TAMENKANSHANGQUYIDINGSHIBUYIYANGDE,YINCI,JIUSHIYAOTONGGUOBEICEGUANGYUANDEGUANGPUJISUANCHUTADEXIANGGUANSEWEN(CCT)。YIDANYOULEZHEIGESEWEN,LINGYIGEXIANGTONGSEWENDECANKAOGUANGYUANJIUKEYITONGGUOSHUXUEFANGFACHUANGJIANCHULAI。

华夏棋牌DUIYUSEWENDIYU5000KDEBEICEGUANGYUAN,CANKAOGUANGYUANXUANZEHEITI(PULANGKE)FUSHETI,ERDUIYUSEWENGAOYU5000KDEBEICEGUANGYUAN,CANKAOGUANGYUANXUANZECIEBIAOZHUNZHAOMINGTID。

华夏棋牌XUANZEKEYIBACANKAOGUANGYUANDEGUANGPUYUMEIKUAISEYANGXIANGJIEHE,CHANSHENGYIZULIXIANGDECANKAOYANSEZUOBIAODIAN(JIANCHENGSEDIAN)。

华夏棋牌DUIYUBEICEGUANGYUANYESHIRUCI,BABEICEGUANGYUANDEGUANGPUYUMEIKUAISEYANGXIANGJIEHE,DEDAOLINGYIZUSEDIAN。RUGUOBEICEGUANGYUANXIADESEDIANYUCANKAOGUANGYUANXIADESEDIANWANQUANDUIYINGYIZHI,WOMENJIURENWEITAMENDEXIANSEXINGXIANGTONG,BINGBAQICRIZHIDINGWEI100。

ZAISETUZHONG,BEICEGUANGYUANXIADESEDIANLIDUIYINGDELIXIANGWEIZHIYUEYUAN,NEIMEXIANSEXINGJIUYUECHA,CRIZHIJIUYUEDI。

华夏棋牌8DUISEYANGDEYANSEWEIYILIANGDANDUJISUAN,RANHOUSUANCHU8GETESHUXIANSEZHISHU(GUANGYUANDUIMOUYIKUAISEYANGDECRIZHICHENGWEITESHUXIANSEZHISHU),ZAIQUTAMENDESUANSHUPINGJUNZHI,ZHEIYANGDEDAODESHUZHIJIUSHIZUIZHONGDECRIZHI。

CRIZHIWEI100BIAOSHI:ZAIBEICEGUANGYUANYUCANKAOGUANGYUANXIA,8DUISEYANGZHONGDERENYIYIDUISEYANGZHIJIANDOUBUCUNZAISECHA。

JIESHIMINGBAIZHEIXIEXUYAOXUSHUHENDUONEIRONG,BINGJIKENENGYINQIHUNXIAO,YINCI,XIAOBIANJUEDEYONGYIXIETUPIANFUZHUSHUOMINGHUIYOUHENDABANGZHU,XIANZAIXIANCONGCRIZHIWEI100DEBAICHIDENGKAISHI(LILUNSHANGYIZHANBAICHIDENGDENGTONGYUYIGEHEITIFUSHETI,YINCI,GENJUDINGYITAYONGYOULIXIANGDEXIANSEXING。)

图3展示了测试到的色点与参考色点,图4展示了色样的外貌

CESHIDAODESEDIANYUDUIYINGDECANKAOSEDIANWANQUANDUIYINGYIZHI,YINCI,ZAITUSHANGTAMENFUGAILE8GECANKAODIAN。

华夏棋牌WEILEBIANYUDUIBI,TU5、TU6ZHANSHILEYIZHANGONGDENGDEDUIYINGSHUJU,TADECRIZHIWEI43,XIANGDANGCHA。

GONGDENGDEGUANGPUFENBUBULIANXUQIECHENGXIANZHUANG,ZHEIYANGDEGUANGPUHENRONGYISHIYIXIEYANSEDEBAOHEDUTIGAO(SEDIANXIANGWAIYIDONG),BIRUBIAOHAOWEITCS03DEBAOHEHUANGLVSE,HUOSHIYIXIEYANSEDEBAOHEDUJIANGDI(SEDIANXIANGNEIYIDONG),BIRUBIAOHAOWEITCS05DEDANLANLVSE,YIZHITAMENKANSHANGQUXIANGBEICHONGSHUAGUOYIYANG,JIHUDOUCHENGXIANHUISE。

MEIYOUYIKUAISEYANGDEYANSENENGDEDAOZHENGQUEXIANXIAN,BINGQIEYANSEWEIYILIANGXIANGDANGDA。

华夏棋牌XIANSEXINGDELINGYIJIDUANJIUSHIDIYANADENGDEXIANSEXING,RUTU7、8SUOSHI

DIYANADENGSHIYIZHONGFUSHECHENGHUANGSEGUANGDELAOSHIGUANGYUAN,YIQIANDELUDENGZHONGJINGCHANGCAIYONGZHEIZHONGGUANGYUAN。CONGBENZHISHANGLAISHUO,TASHIYOUQIZHUDAOZUOYONGDELIANGTIAOJINKAOZAIYIQIDEBOZHANGFENBUWEI589.0nmYU589.6nmDEHUANGSEGUANGPUXIANSUOGOUCHENGDEDANSEGUANG。

华夏棋牌DIYANADENGGENBENBUJUBEIXIANSENENGLI,SHISHISHANGTONGGUOJISUANDEDAOTADECRIZHIWEI-47。SUOYOU8KUAIBEICESEYANGKANSHANGQUDOUBEIHUNZHUODEHUANGSESUOLONGZHAO。ZHEIJIUJIESHILEWEISHENMEZAIWANSHANGHENNANZAIYOUZHEIXIEGUANGYUANZHAOMINGXIADETINGCHECHANGLIZHAODAOZIJIDECHE。

华夏棋牌WULUNCHESHISHENMEYANSE,ZAIDIYANADENGDEZHAOSHEXIASUOYOUDECHEKANSHANGQUDOUSHIYIYANG。(SUIRANCRIDEDINGYIZHONGYUNXUCRIZHIWEIFUSHU,DANTAMENTONGCHANGJULONGDAOLINGDIAN,ZHEIZHONGQINGKUANGSHIFEICHANGZAOGAODE。)

DIYANADENGRANGFUZERENDEDENGGUANGSHEJISHIYOUDIANZUOYOUWEINAN:QIFAGUANGXIAOLVJIGAO,DADAO150 lm/W,DANSHIYOUYUZAIQIZHAOMINGXIAWUTIXIANXIANCHUNANKANDEWAIMAOYIJIXIANSEXINGDEQUESHIERPUBIANBUSHOUHUANYING。

ZAIXUDUOZHAOMINGSHEBEIZHONG,TAMENYIBEIFAGUANGXIAOLVLVEDIYIXIEDEGAOYANADENGHEQITAYIXIECRIZHIGENGGAODEGUANGYUANSUOQUDAI。BIAO1LIEJUCHUYIXIECHANGYONGGUANGYUANDESEWENYUCRIZHI。

华夏棋牌SHUOLEZHEIMEDUO,ZHEIJIUKEYIMINGQUEDEHUIDAKAITOUDENEIGEWENTILE,WEISHENMEBOWUGUANDEDENGGUANGZHILIANGBIXUZAICRI 95YISHANG,YINWEICRI95YISHANGDEXIANSEXINGGENGNENGLINGSECAIHAIYUANCHUNZHENG、BAOHE、TOUCHE,WEININZHENQIEDICHENGXIANZHENGUIWENWUHEYISHUZUOPINDEJINGMEIXIJIEJICUICANSECAI。

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