GNU Kev Tswj Xyuas Duab Duab (feem ntau hu ua yooj yim li "GIMP") yog qhov muaj zog kho duab duab software thov. Qhov kev ua koob tsheej yog qhov tshwm sim ntawm ob qho tag nrho nws cov yam ntxwv thiab nws pub dawb thiab qhib qhov ntawv tso cai. Cov neeg siv tuaj yeem siv GIMP los ua ob qho tib si yooj yim thiab hloov pauv mus rau ib qho duab digital. Ib ntawm ntau qhov kev hloov pauv muaj nyob hauv GIMP yog hloov kho qhov ci ntawm cov duab. Muaj 2 txoj hauv kev los kho qhov ci ci hauv GIMP: zoo ib yam los ntawm "Brightness" teeb tsa, lossis tsis sib xws los ntawm "Curves" ntawv qhia zaub mov.
Cov kauj ruam
Txoj Kev 1 ntawm 2: Kho Lub Teeb Pom Kev Siv "Teeb Pom Kev Zoo" Teeb
Kauj Ruam 1. Xaiv txheej uas koj xav kho
Tom qab qhib koj daim duab hauv GIMP, nyem rau ntawm txheej uas xav tau kev hloov pauv hauv Cov Txheej Txheem Txheej Txheem. Yog tias koj tab tom kho qhov ci ntawm cov duab uas tsis tau muab faib ua cov txheej, ib txheej "Tom Qab" yuav raug xaiv los ntawm lub neej ntawd.
Kauj Ruam 2. Qhib lub thawv "Brightness-Contrast"
Muaj 2 txoj hauv kev qhib cov ntawv qhia zaub mov no. Thawj zaug yog nyem rau ntawm "Cov Cuab Yeej" hauv lub cuab yeej tseem ceeb, thiab tom qab ntawd xaiv "Cov Cuab Yeej Xim" thiab "Qhov Zoo Tshaj Plaws." Txoj kev thib ob yog nyem rau ntawm "Xim" hauv lub cuab yeej bar thiab tom qab ntawd xaiv "Brightness-Contrast."
Kauj Ruam 3. Kho qhov ci ntawm txheej
Siv cov ntawv lo lo lo lo lo lo "Brightness" los kho cov txheej ci ci. Tsiv tus slider mus rau sab laug ua rau txheej tsaus ntuj, thaum txav nws mus rau sab xis ua rau txheej sib zog. Nco ntsoov tias qhov kev hloov pauv no yuav tshwm sim zoo ib yam, uas txhais tau tias nws yuav nce lossis txo qhov ci ntawm txhua lub pixel los ntawm qhov loj ib yam.
- Piv txwv li, yog tias koj nce qhov ci ntawm ib txheej uas tsaus dhau tag nrho, cov duab tiav yuav zoo li muaj qhov ntxhua kom huv. Qhov no yog vim tias qhov ci ci ci tig cov txheej txheej cov suab tsaus ntuj tshaj plaws (zoo li dub) rau hauv cov suab nrov nruab nrab, thiab yog li qhov sib piv tag nrho tau raug txo qis.
- Txhawm rau kho qhov ci ci hauv qhov tsis zoo ib yam, koj yuav tsum siv cov ntawv "Curves" hloov chaw. Qhov no yuav tso cai rau koj kho qhov ci ci thaum khaws cia txheej txheej tonal ntau yam.
Kauj Ruam 4. Txuag koj qhov kev hloov pauv
Nyem "OK" txhawm rau siv cov kev hloov pauv uas koj tau ua. Nco ntsoov khaws cov duab ua ntej kaw GIMP.
Txoj Kev 2 ntawm 2: Kho Qhov Ci Ci Siv "Nkhaus" Ntawv qhia zaub mov
Kauj Ruam 1. Qhib cov ntawv "Curves"
Txhawm rau ua qhov no, nyem rau ntawm "Xim" hauv lub cuab yeej tseem ceeb, thiab tom qab ntawd nyem rau ntawm "Nkhaus." Cov ntawv qhia zaub mov no tseem tuaj yeem nkag los ntawm "Cov Cuab Yeej" xaiv.
Kauj Ruam 2. Paub koj tus kheej nrog txoj kab nkhaus
Hauv kab ntawv "Kab", koj yuav pom daim duab 2-axis nrog txoj kab nruab nrab nruab nrab ntawm sab laug-sab laug thiab sab xis-sab xis. Kab rov tav sawv cev rau tam sim no tonal spectrum ntawm koj txheej, thaum txoj kab ntsug sawv cev rau kev hloov kho tonal spectrum. Los ntawm kev nyem thiab rub kab kom kho nws cov duab, koj tab tom qhia GIMP los kho txhua lub suab ntawm x-axis rau nws txoj haujlwm tshiab ntawm y-axis.
Kauj Ruam 3. Ntxiv qhov taw tes tswj rau kab duab kab
Txhawm rau pib kho koj daim duab, koj yuav tsum ntxiv tus tswj hwm. Txhawm rau ua qhov no, nyem ib zaug ntawm ib qho taw qhia raws kab kab. Koj yuav pom ib qho me me ntawm qhov tshwm sim. Nov yog qhov taw tes tswj, uas koj tuaj yeem siv los kho cov duab ntawm daim duab. Cov ntsiab lus tswj hwm ntxiv tuaj yeem ntxiv tom qab kom ua tiav cov duab sib txawv.
Kauj Ruam 4. Kho cov duab ntawm daim duab
Txhawm rau ua kom koj cov txheej ci dua, piv txwv li, nyem rau ntawm qhov chaw tswj hwm uas koj tau tsim thiab rub nws mus rau saum. Qhov no yuav tig kab teeb tsa mus rau qhov nkhaus nce. Lub suab nrov nruab nrab ntawm daim duab tam sim no ci dua, tab sis lub suab nrov uas tsaus tshaj plaws thiab lub teeb ci tseem tsis tau hloov pauv, yog li cov duab yuav tsis muaj qhov ntxhua kom huv. Txhawm rau ua kom cov duab tsaus dua, rub cov tswj taw tes qis.
Kauj Ruam 5. Txuag koj qhov kev hloov pauv
Nyem rau lub pob "OK" txhawm rau siv cov kev hloov pauv uas koj tau ua. Nco ntsoov khaws koj cov duab ua ntej tawm ntawm GIMP.
