胶片与数字放映机色彩规范比较及实际应用
FABURIQI:2020-03-04 15:26
163彩票ZAIFANGYINGJIDECESHIZHIBIAOZHONG,LIANGDUHESEWENZHEILIANGGEZHONGYAOZHIBIAOJUEDINGLEFANGYINGJITOUSHECHUDEHUAMIANSHIFOUNENGGOUZHENGQUEHAIYUANQIYUANYOUDESECAIHECENGCI。TONGCHANGRENYANDUILIANGDUJIAOWEIMINGAN,ERZHUGUANGANZHISECAIPIANCHADEBIANBIENENGLIJIAORUO,RONGYIBEIHUSHI,DANSHIRUGUOYAOZHUIQIUBIZHENXUANLIDEYINGXIANGXIAOGUO,BIXUDUIFANGYINGJIDESECAIJINXINGKONGZHIHEBIYAODEXIAOZHENG。JIAOPIANFANGYINGJIHESHUZIFANGYINGJISECAIGUIFANYOUHEQUBIE?LIANGZHEZHIJIANYOUHELIANXI?RUHEZAISHIJIANZHUANGDIAOSHIZHONGYUNYONGSHIBENWENZHUYAOTANTAODEWENTI。
WULUNSHIJIAOPIANHAISHISHUZIFANGYINGJIDUIQISEWEN(Color Temperature)HUOSEDU(Chromaticity)DOUYOUQIXIANGYINGDEGUIFAN。JIAOPIANFANGYINGJIYONGSEWENLAIDINGBIAO,ERSHUZIFANGYINGJIYONGSEDULAIDINGBIAO。WULUNYONGNAZHONGDINGBIAOFANGSHI,DOUSHIZHIZAIYINGTINGZHONGRENYANDUIHUAMIANSECAIZHUGUANGANSHOUDEDULIANGFANGSHI,QISHOUDAOBAOKUOFANGYINGJIGUANGLU,GUANGYUAN,FANGUANGJING,FANGYINGJINGTOU,FANGYINGCHUANGBOLI,YINMUTEXING,HUANJINGXUANGUANGDENGZONGHEZUOYONGDEYINGXIANG。《SHUZIYINGYUANZHILIANG—YINMULIANGDUDENGJI,SEDUHEJUNYUNDU》(SMPTE 431-1-2006)BIAOZHUNTICHU,FANGYINGHUAMIANQIWANGDADAOZUIGAODEYOUXIAOJINGDU,ZUIZHONGYAODESHISEDUDEYUNYONG,JIANYIDUISECAIXIUZHENGHEPIPEIJINXINGYOUXIAODIKONGZHI。
GENJU《SHUZILITISHENGDIANYINGYUANDEJISHUBIAOZHUN》(GY/T183-2002),JIAOPIANFANGYINGJIDEYINMUFANSHEGUANGDEXIANGGUANSEWENYINGWEI5400±400 K。LIANGTAIFANGYINGJISEWENCHAXIAOYU70K,。SHIJIQISEWENZHIYINGZAI5000DAO5800KZHIJIAN。SHUZIFANGYINGJIYONGSEDULAIBIAOSHI,GENJU《SHUZIYINGYUANZANXINGJISHUYAOQIU》(GD/J017-2007),QIBAIDIANDESEDUZUOBIAOBIAOCHENGZHIWEIx=0.3140,y=0.3510,QIZHONGxHEyDEYUNCHAGEWEI±0.006。SHIJISHANGSEWENHESEDUSHIMIAOSHUTONGYIGEWULILIANGDEBUTONGFANGSHI,HUANSUANGONGSHIRUXIA:
n=(x-0.3320)/(y-0.1858)
163彩票T=-437n3+3601n2-6861n+5514.31(K)
n WEIXISHU, TWEISEWEN
163彩票DANGx=0.3140,y=0.3510SHI,JISUANKEDEQIXIANGGUANSEWENWEI6325K,YUJIAOPIANFANGYINGJIXIANGGUANSEWEN5400KXIANGCHASHENYUAN。YINWEISHANGSHUGONGSHIBINGFEIZENGHANSHUHUOZHEJIANHANSHU,SUOYIYAOZAIWUCHAYUNXUDEFANWEINEIDUI8ZUSEZUOBIAOZHIZHUYIJISUAN,YIQUEDINGXIANGDUIYINGDESEWENFANWEI。TONGGUOJISUANKEYIDECHUSHUZIYINGYUANZANXINGJISHUYAOQIUGUIDINGDEBAIDIANSEDUZUOBIAODUIYINGDESEWENZAI6010-6630KZHIJIAN,GAOYUJIAOPIANDIANYINGDESEWENZHI。
163彩票YOUYUSHENGCHANGONGYIHESHEJIGAINIANDEBUTONG,YINGXIANGJIAOPIANHESHUZIFANGYINGJISEWENHESEDUDEYINSUSHIBUTONGDE。YINGXIANGJIAOPIANFANGYINGJISEDUDEYINSUYOUXIANDENGGUANGYUAN、FANGUANGJINGJIJINGTOU。LIANGZHEDESEWENYAOPIPEI,FOUZEZAOCHENGPIANCHA。LINGWAIJIAOPIANJIDOUSHIYISHUANGJIMOSHIFANGYINGDE,LIANGZUXIANDENGHEFANGUANGJINGDELEIXINGYEYAOXIANGJIN。JIAOPIANFANGYINGJIDEFANGYINGWUJING,XIANDENGHEFANGUANGJINGDENGCHANPINJUNWEIMINGQUEBIAOSHIQISEWEN,ZHISHIZAICHUCIANZHUANGHECAIGOUSHIJINLIANGYAOQIUPEIDUISHIYONG。YIDANBUNENGZHENGQUEPEIDUI,SUOCHANSHENGDESEWENPIANCHA,HOUQIJIAOZHENGFASHU。
SHUZIYINGTINGYICAIYONGDANJIFANGYINGDEMOSHIWEIZHU(CHUIMAXHEZHONGGUOJUMUCAIYONGSHUANGJIFANGYING),SHUZIFANGYINGJIFUZADEGUANGLUDUISEWENYINGXIANGDEHUANJIEJIAODUO:BAOKUOXIANDENGGUANGYUAN、FANGUANGJING、UVJING、DAOGUANGZHU、LENGJING 、ZHESHEJINGDENG。LENGJING、ZHESHEJINGJIYINQINGNEILENGJINGBIAOMIANDOUDUMODUISEDUHUIYOUYINGXIANG。YOUCIKEJIAN,SHUZIFANGYINGJIGUANGLUZUCHENGJIAOWEIFUZA,SUIRANSHUZIFANGYINGJICHUCHANGQIANDOUJINXINGLESECAIXIAOZHENG,DANKAOLVDAOYINGYUANSHIYONGBUTONGYINMUHE3DLVJINGJIYANJINGDEYINGXIANG,XIANCHANGANZHUANGSHIBIXUDUIQI2DHE3DYINGXIANGDESECAIFENBIEJINXINGXIAOZHENG。
163彩票GUONEIMUQIANZHULIUDESHUZIFANGYINGJIJIZHONGZHUYAOWEIBAKE、KESHI、NECSANZHONGPINPAI,QIHEXINBUJIANDMDCHENGXIANGXINPIANHETUXIANGCHULIBANDOUSHIYOUTIGONGSITONGYISHEJIBINGTIGONGDE,ZAICIJICHUSHANG,GEJIAFANGYINGJICHANGSHANGKAIFALEGEZIDEKESHIHUARUANJIANJIEMIAN,KELIYONGRUANJIANFANGBIANZHUNQUEDIXIAOZHENGSEDUZHI,SHIJINGGUOXIAOZHENGDESANJISEJIBAIGUANGSEDUZUOBIAOLUOZAIFUHEDCIGUIFANDESEDUZUOBIAOFANWEIZHINEI。
DCI标准色坐标表:
163彩票GECHANGJIASHIYONGDEXIAOSEYUANLIYIZHI,DOUSHIJIANGSHIJICELIANGZHISHURUZHIRUANJIAN,YOUFANGYINGJIJINGJISUANHOUZIDONGBUCHANGLAISHIXIAN。YIBAKESHUZIFANGYINGJIWEILI,JUTIJIESHAOSHIYONGcommunicatorRUANJIANXIAOZHENGSEDUDEBUZHOU。SHOUXIANGUANBIYINGTINGHEFANGYINGJIFANGDENGGUANG,ZAIYINGTINGGUANZHONGQUNEIXUANQUZUIJIACELIANGDIAN。RANHOUDAKAIcommunicatorRUANJIAN,YIJISHISHENFENDENGRU,JINRU“ANZHUANG”-“SECAIXIAOZHENG”CAIDAN(RUTU1SUOSHI)。XUANZE“Measure Native colors”CAIDAN,FENBIEZAIYINMUSHANGFANGYINGHONGLVLANBAISIZHONGYANSEDECESHIGUANG,YONGFUHESMPTEBIAOZHUNDESEDUJIZAIYINGTINGGUANZHONGXIDEZHONGJIANWEIZHICECHUGEZHONGCESHIGUANGDESEDUZUOBIAO,BINGBASHICESHUZHI(x,y)SHURUDAOXIANGDUIYINGYANSEDEFANGKUANGZHONG(RUTU2SUOSHI),CUNCHUBINGMINGMINGSHENGCHENGWEIYIGESEDUWENJIANWEI“Measured colors”,ZHIXING“YINGYONGBINGTUICHU”ANNIU,CISHIFANGYINGJIBACELIANGZHIXIERUDAOSEDUWENJIANZHONG,BINGCHUYUJIHUOZHUANGTAI。SUIHOUDAKAI“select target colors”CAIDAN,TONGCHANGXUANQU“color verification”ZUOWEIMUBIAOSECAIWENJIAN(TCGD)LAIZHIXINGSEDUZHIZIDONGXIAOZHENG。ZUIHOU,KEYIDAKAI“verify correctedcolors”CAIDANLAIYANZHENGXIAOSESHIFOUHEGE,JIHUOBAISECESHITU,YONGSEDUJIZAICICELIANGSEDUZUOBIAOSHIFOULUOZAIx=0.314,y=0.351,WUCHAZAI0.006FANWEIZHINEI。RUGUODANJIFANGYING3DDIANYING,YINGKAOLVDAOBUTONG3DSHEBEIJIYANJINGDUISECAIDEYINGXIANG,ZAICIJINXINGXIAOSE。YISHIYONGReal-DWEILI,YINGZAIJINGTOUQIANJIASHANGPIANZHENJING,ZAISEDUJIQIANJIASHANGLVGUANGYANJING,ANZHAOYISHANGBUZHOUZAICIJINXINGXIAOZHENG,CUNCHUBINGSHENGCHENGLINGWAIYIGESEDUWENJIAN“Measured colors 3D”,QUEBAOFANGYING3DYINGXIANGYOUZHENGQUEDESECAIHAIYUAN。