GIMP muaj ntau txoj hauv kev los hloov cov duab rau xim dub thiab dawb. Txhua qhov kev xaiv sib txawv nrog ntau theem ntawm kev hloov pauv thiab cov txiaj ntsig sib txawv. Nov yog txhua txoj hauv kev uas koj tuaj yeem siv los hloov cov duab thiab qhov sib txawv ntawm lawv. Xaiv ib qho ntawm lwm tus tsuas yog ib qho teeb meem ntawm kev nyiam raws li koj xav tau.
Hloov cov duab rau dub thiab dawb ntawm GIMP
Cia peb pib nrog qhov yooj yim ntawm pawg.
1. Qhib hom greyscale
Los ntawm lub neej ntawd, cov duab yuav qhib rau hauv RGB hom, tab sis hloov hom rau greyscale yuav cia li hloov cov duab rau xim dub thiab dawb. Nrog greyscale, raws li lub npe qhia, koj tsis muaj kev tswj hwm ntxiv rau daim duab vim nws hloov cov xim ntawm daim duab ncaj qha. Koj tswj tsis tau qhov kev siv los yog cov xim raws li. Tsis tas li ntawd, tsis muaj kev xaiv los teeb qhov no rau ib txheej nkaus xwb. Thaum enabled, nws yuav siv rau tag nrho cov duab nrog rau tag nrho cov khaubncaws sab nraud povtseg.
Txhawm rau hloov cov duab rau xim dub thiab dawb siv greyscale, nyem Duab> hom thiab xaiv Xov tooj cua Greyscale.
Qhov no yuav hloov cov duab rau dub thiab dawb tam sim ntawd.
Nrog greyscale xaiv, tag nrho cov kev tawm tswv yim tom ntej thiab kev hloov kho kuj tseem yuav greyscale. Txhawm rau hloov qhov no, dua, qhib Duab> hom thiab xaiv RGB . Qhov no yuav rov tsim cov xim yam tsis hloov cov duab koj hloov mus rau greyscale.
2. Siv desaturation
Tsis zoo li txoj kev grayscale, nrog desaturation, koj tuaj yeem xaiv qhov siv ntawm cov duab dub thiab dawb uas koj xav tau. Qhov no txhais tau hais tias koj muaj kev xaiv tsis txhob hloov cov duab rau dub thiab dawb yog tias koj xav tau.
Txhawm rau hloov cov duab rau xim dub thiab dawb siv Desaturation, xaiv cov txheej koj xav hloov mus rau xim dub thiab dawb. Koj kuj muaj kev xaiv xaiv ntau txheej los ntawm nias lub pob ctrl.
Thaum xaiv, coj mus rhaub Option xim hauv cov ntawv qhia zaub mov bar thiab tom qab ntawd xaiv saturation .
Qhov no yuav qhib qhov popup uas koj tuaj yeem hloov qhov siv ntawm cov duab ntxoov ntxoo dub thiab dawb siv qhov kev xaiv . Nplai .
Cov cuab yeej no yuav txuag tau qib saturation raws li preset uas txhais tau tias nws yuav siv tib qhov chaw rau lwm cov duab tom qab. Tsis tas li ntawd, muaj lwm yam desaturation hom zoo li Luminance, Luma, Lightness, Nruab Nrab و Tus nqi . Txhua hom siv qhov sib txawv ntawm cov xim dub thiab dawb rau cov duab uas tuaj yeem hloov kho ntxiv los ntawm kev hloov qhov ci thiab xim raws. Koj tuaj yeem nkag mus rau cov qauv no los ntawm kev qhib Xim> desaturate ces xaiv Ntsuam xyuas ib zaug ntxiv.
Qhov no yuav qhib lub popup uas koj tuaj yeem siv cov qauv no rau cov duab.
Tsis txhob cia siab rau cov cuab yeej los muab cov qauv sib txawv ntawm greyscale, koj tuaj yeem hloov kho cov RGB channel kom tau raws nraim cov xim dub thiab dawb koj xav tau.
3. Kev hloov kho ntawm Channel Tov Khoom
Nrog rau kev xaiv Channel Tov Khoom, koj tuaj yeem hloov kho txhua feem ntawm daim duab. Koj tuaj yeem xaiv cov xim liab, ntsuab, thiab xiav ntawm cov duab kom tau txais cov xim dub thiab dawb zoo meej uas koj tab tom nrhiav.
Txhawm rau hloov cov xim rau xim dub thiab dawb nrog cov channel tov khoom, qhib Xim> Cheebtsam> Mono Mixer. Qhov no yuav hloov cov duab rau xim dub thiab dawb thiab qhib lub qhov rais popup rau customizing RGB raws.
Tam sim no koj tuaj yeem ua si nrog cov RGB channel los hloov cov xim ntawm cov duab dub thiab dawb. Txhawm rau kom muaj kev ci ntsa iab tib yam, koj yuav tsum ntxiv cov txiaj ntsig txog li 100%. Piv txwv li, yog tias koj teeb liab rau 31%, ntsuab rau 58%, thiab xiav rau 11%, koj yuav tau txais cov duab dub thiab dawb tib yam li hauv qhov kev xaiv grey. Txhawm rau tiv thaiv qhov teeb meem ci ntsa iab, koj tuaj yeem qhib lub khawm Keep Bright. Nws yuav kho cov txheej RGB yam tsis muaj kev cuam tshuam cov qib ci.
Ntawm no yog ib qho piv txwv. Yog tias koj tab tom nrhiav rau lub ntuj tsaus, txo qis ntawm cov xiav channel uas yuav ua rau lub ntuj tsaus dua. Koj tuaj yeem siv cov txheej txheem no los hloov cov xim channel kom coj tawm qee yam.
Qhov zoo ntawm Channel Tov Khoom yog qhov yooj. Rau kuv, nws yog txhua yam hais txog kev ntxiv qhov sib txawv thiab coj tawm qhov zoo meej layout thiab kab hauv cov duab yam tsis muaj suab nrov.
Convolution: Hloov cov duab dub thiab dawb nrog GIMP
Qhov kev xaiv greyscale yog qhov zoo rau kev hloov cov duab rau xim dub thiab dawb tab sis nws tsis muaj kev tswj hwm qhov kev siv zog thiab cov kev xaiv channel muab thaum kho cov duab. Txo cov qib saturation pab kho qhov kev siv, tab sis cov duab dub thiab dawb zaum kawg muaj suab nrov me ntsis piv rau greyscale ib zaug thaum zoomed hauv. Cov kev sib xyaw channel tso cai rau kho cov duab kom haum rau koj cov kev xav tau. Koj tuaj yeem tswj hwm tus kheej cov xim, thiab yog li koj tuaj yeem ua tej yam xws li tig lub ntuj xim tsaus nti, lossis nqa tawm ib yam dab tsi nrog lub zog ntxoov ntxoo, thiab lwm yam.
