Ua cov ntawv xov xwm duab nrog photoshop
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
Yog xav paub ntxiv, thov mus saib
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Cov duab ua si tseem ceeb heev hauv cov ntawv xov xwm. Yog tias siv tau zoo, nws tsis tuaj yeem tsim kom zoo nkauj rau qhov kev tsim, nce neeg txoj kev nyiam nyeem ntawv, tab sis kuj ua tiav kev sib tw. Cov duab ntawm cov duab ua ntej luam tau ncaj qha rau cov nyhuv tom qab luam ntawv. Yog li ntawd, los ntawm ntau xyoo, peb tau tsim ib co kev tshawb nrhiav txog kev ua duab.
Ua ntej luam daim duab, koj yuav tsum xub saib nws. Rau qhov zoo ntawm daim duab, nws yuav tsum tau ua nyob rau hauv lub siab, uas yog, txawm tias qhov raug ntawm daim duab yog ntau dhau los yog tsis txaus, thiab nws tsis tas yuav mus rau network, yog li ntawd daim duab yuav tsum tau ua tiav thaum lub lag luam txheej txheem, vim hais tias daim duab tiav thaum lub sijhawm sojntsuam. Cov theem ntawm kev poob yog qhov tsawg kawg nkaus.
Cov duab thaij duab raug muab luam tawm xim. Yog tias nws yog ib qho duab grayscale, nws yuav zoo dua los siv lub xim liab. Cov duab grayscale txav ntawm xim ntau dua li qhov grayscale duab scanned ncaj qha, tshwj xeeb tshaj yog rau cov xim nrog saturation ntawm 70% los yog ntau tshaj. Muaj ib qho kev xaiv "dash" ntawm LinoColorElite chaw nyob hauv Suav. Yog tias nws yog tus sau, koj yuav tsum xaiv qhov nqi ntawm no. Ntau dua qhov kev luam ntawv, qhov loj dua tus naj npawb ntawm cov duab yuav tsum tau xaiv. Tsis tas li ntawd, 6 kev xaiv xws li "xim calibration" yuav raug xaiv los ua lub neej ua ke, thiab xaiv tau raws li koj tus kheej qhov teeb meem. Qhov "Colour Assistant" nyob rau hauv "Calibration" yog ib lub cuab tam siv tau. Xaiv ntau txoj hauv kev hauv daim duab, lossis txiav txim siab xaiv tus nqi. Kho cov ntaub ntawv thaum lub sij hawm cov duab kev soj ntsuam yuav khaws cov txheej ntau thiab cov ntsiab lus.
Hauv Photoshop dluab, koj yuav tsum xub txiav txim seb qhov dub thiab dawb teb thiab grey tshuav ntawm daim duab. Ob yam no tseem ceeb heev thiab tsim nyog. Kev txiav txim siab ntawm qhov dub thiab dawb teb tsis yog tib yam raws li kev xav tau luam tawm ntau. Tab sis tus txheej txheem yog hais tias dub teb tsis tau puas. Txawm li cas los xij, yuav kom paub meej tias qhov pom tau qhov zoo ntawm daim duab zoo dua tom qab luam ntawv, ib qho chaw me me ntawm cov net los yog paste yuav suav tau, tab sis nws yuav tsum tsis yog thaj tsam loj. Yog hais tias daim duab yog distorted, peb tuaj yeem kho nws cov xim los ntawm gray tshuav, tab sis qhov txho grey cuam tshuam xim ntawm tag nrho cov duab, yog li nws yuav tsum yog thaum siv. Kev muaj peev xwm ntawm grey tshuav nyiaj li cas tau muaj li nram no, uas yog, qis dua 20% los yog tshaj 80%, tus nqi CMY yog qhov sib npaug zos tiag tiag; nyob hauv nruab nrab tus nqi, qhov kuv tus nqi yog qhov sib npaug, tab sis tus nqi C yog 10 txog 15% ntau tshaj qhov kuv tus nqi.
Hauv cov sijhawm ua haujlwm, cov dluab ntawm grayscale yuav tsum yoojyim. Muaj ob txoj hauv kev hloov xim duab rau hauv ib qho duab grayscale: ncaj qha hloov nws nrog cov "hom" ua haujlwm; los yog hloov cov duab xim rau Hom Lab ua ntej, mam li rho tawm "channel" thiab "b channel", thiab thaum kawg hloov cov duab rau hauv "Grayscale". Hauv chroma (Lab) hom kev hloov ua ke, qhov luminance L channel khaws ntau txheej kev hloov, yog li cov nyhuv yuav zoo dua. Tom qab daim duab grayscale tas rau hauv daim dub thiab dawb, nws yog qhov yuav tsum tau them sai sai rau cov theem ntawm daim duab. Lub suab nrov yuav tsum tau qhib. Txwv tsis pub, daim duab yuav muaj ib qho pos huab, qhov tsis meej thiab tsis meej, thiab qhov sib txawv ntawm qhov nruab nrab cov laus yuav nce, uas yuav pom tseeb. Qhov teeb meem no.
Nyob rau hauv tus txheej txheem ntawm kev siv Photoshop los tsim cov duab, tsis txhob cia cov duab tig ib ncig ntawm ob hom. Vim hais tias txhua zaus ib qho kev hloov dua siab tshiab, ib feem ntawm daim duab yuavtsum tau poob. Thaum muab ib daim duab RGB coj los ua ib daim duab CMYK, qhov sib cais ntawm qhov sib cais yuav ua rau lub luag haujlwm tseem ceeb ntawm cov duab hloov dua siab tshiab. Qhov kev hloov ntawm cov xim tsis sib haum yuav zoo heev rau qhov kev hloov ntawm daim duab. Photoshop duab ua software muaj peev xwm tswj cov xim tsis sib cais. Uas yog hais tias, thaum nws yog tsim nyog yuav hloov cov duab ua nyob rau hauv RGB hom rau CMYK hom rau cov zis, qhov kev hloov ntawm cov xim sib cais muaj peev xwm ua kom nyob rau hauv daim duab thaum hloov txheej txheem. Xim tsis thaum lub sij hawm hom conversion.
Yog hais tias koj hloov RGB hom duab rau CMYK hom, ntxiv ib nrab kauj ruam rau cov kauj ruam ua haujlwm, uas yog, hloov ua ntej rau hom kev ua haujlwm (Lab). Lub hom phiaj (Lab) muaj peb txoj kev, L hauv channel ua kom pom qhov ci ci, uas tswj cov ci ci thiab qhov sib txawv ntawm daim duab, thiab cov channel muaj xim los ntawm ntsuab tsaus (tsis tshua pom ci ntsa iab) los txho (nruab nrab ci ntsa iab) brightness tus nqi). Cov b channel muaj cov xim xws li xim ntsuab (luminance tus nqi qis) los grey rau focal daj (siab luminance tus nqi).
Lub hom phiaj (Lab) zoo ib yam li RGB, thiab cov xim ntawm cov xim ua kom muaj xim zoo nkauj. Tsuas yog tus nqi ntawm cov luminance channel cuam tshuam rau lub teeb thiab tsaus nti variations ntawm cov xim. Lub hom phiaj (Lab) hom yuav xav txog tias muaj ob hom ntawm RGB hom ntxiv rau ib qho chaw uas muaj kev ci ntsa iab. Hom (lab) yog ntaus ywj siab thiab yuav siv los kho cov duab (nrog rau cov dluab grayscale) hauv hom no, kom ceev ceev raws li RGB, thiab ntau zaus dua ceev CMYK. (Lab) hom kom paub tseeb tias tsis muaj qhov xim ntawm CMYK ntau thaum ua xim hom hloov dua siab tshiab.
Zauv cov dluab hauv ntau hom yuav muaj teebmeem txawv. Hom (lab) yuav pab tau qhov sib txawv ntawm cov duab, tab sis qhov tsis txaus siab tsis loj heev, txwv tsis pub cov duab yuav raug distorted. RGB yog hom zoo tshaj plaws rau cov duab ua duab, muab duab nrog saturation thiab ci ci, qib theem thiab lwm yam kev ua haujlwm zoo heev, tshwj xeeb yog thaum kho neeg lub ntsej muag xim, tsis ua teeb meem los yog poob qib. Tsuas yog tag nrho cov duab hloov dua siab tshiab rau CMYK hom ua ntej luam ntawv, yog li muaj qhov kom zoo dua kho cov duab hauv CMYK hom. Nyob rau hauv hom no, txhua xim yuav tsum kho los ntawm cov nplaub tshev kom tiv thaiv cov xim cam ntawm daim duab, uas yog yooj yim rau kev txiav txim siab dub thiab dawb teb.
Cov duab sib txawv yuav tsum tau ua cov kev sib txawv. Cov duab xws li Suav cov duab yuav tsum ua ncaj ncees rau thawj zaj duab xis, thiab cov xim tsis tuaj yeem hloov vim cov nyhuv yog qhov zoo. Cov duab xws li comics thiab calligraphy yuav muab suav nrog cov bitmaps kom paub meej tias nws cov ntsiab lus tsis poob. Qhov no yog qhov tseeb thiab daim duab muaj peev xwm me, uas yuav ua rau kom ceev ceev ntawm cov plaub hau.
Tsis tas li ntawd, Photoshop muaj ntau cov khoom siv rau hauv "Image One Hours", xws li "Brightness / Contrast", "Hawj txawm / Saturation", "Yeem Xim", thiab lwm yam Nyob rau hauv kev ua hauj lwm, tsuav nws siv qhov tsim nyog, nws yuav tau txais zoo heev. nyhuv.