Hauv kev luam ntawv ib txwm muaj, feem ntau nws yog ib qho kev sib tw kom ua tiav kev luam ntawv xim gradient, vim tias txawm tias lub tshuab luam ntawv plaub xim txheem tsis tuaj yeem nthuav tawm qhov kev hloov pauv ntawm cov xim zoo meej. Yuav kom tau txais cov xim gradient sib xws dua, feem ntau xav tau lub tshuab luam ntawv rau xim lossis yim xim siab dua. Cov tshuab luam ntawv ntau xim no ua rau kev sib tov xim thiab kev hloov pauv ntau dua los ntawm kev ntxiv cov channel xim, yog li cov xim gradient uas cov neeg tsim qauv xav tau tuaj yeem nthuav tawm kom raug dua. Qhov sib piv, kev luam ntawv digital siv txoj hauv kev sib txawv kiag li. Nws tso tseg txoj kev luam ntawv theej hauv kev luam ntawv ib txwm muaj thiab siv cov thev naus laus zis luam ntawv inkjet tsis sib cuag. Cov thev naus laus zis no tsis tsuas yog txhim kho qhov yooj ywm ntawm kev luam ntawv, tab sis kuj tuaj yeem ua tiav cov xim gradient zoo ntawm tus nqi qis dua. Nws kuj tseem tuaj yeem hloov kho sai thiab kho kom zoo raws li cov neeg siv khoom xav tau kom tau raws li qhov kev thov loj hlob rau kev luam ntawv tus kheej.
01—Cov thev naus laus zis hloov pauv tau
Cov thev naus laus zis no ua rau lub tshuab luam ntawv tuaj yeem kho qhov loj ntawm cov kua mem raws li qhov xav tau, kom ua tiav qhov kev hloov pauv xim zoo dua thaum lub sijhawm luam ntawv. Cov kua mem me me siv los qhia qhov kev hloov pauv me me ntawm cov xim, thaum cov kua mem loj dua siv los txhim kho qhov saturation thiab sib piv ntawm cov xim. Los ntawm kev tswj qhov loj ntawm cov kua mem, peb lub tshuab luam ntawv UV tuaj yeem ua kom du thiab sib xws ntawm cov xim gradient.
02—Kev siv tshuab luam ntawv ntau xim grey
Peb lub tshuab luam ntawv UV kuj siv cov thev naus laus zis luam ntawv ntau xim grey. Cov thev naus laus zis no tso cai rau lub tshuab luam ntawv ua kom pom tseeb qhov kev hloov pauv ntawm cov xim tas mus li los ntawm kev faib ntau qhov sib txawv me me ntawm cov theem grey sib txawv. Kev faib me me ntawm cov theem grey tsis yog tsuas yog txhim kho qhov kev daws teeb meem ntawm kev luam ntawv xwb, tab sis kuj ua rau cov xim gradient zoo li ntuj thiab muaj tseeb dua.
03—
Lub kaw lus tswj xim
Los ntawm kev siv cov cuab yeej kho xim thiab ntsuas xim tshaj lij, lub tshuab luam ntawv tuaj yeem ua kom cov xim luam tawm sib xws nrog cov xim hauv tus qauv tsim. Cov kauj ruam no yog qhov tseem ceeb kom ua tiav kev luam ntawv xim sib xws vim nws ua kom lub tshuab luam ntawv tuaj yeem txheeb xyuas thiab rov ua dua cov ntaub ntawv xim hauv tus qauv tsim.
Peb lub tshuab luam ntawv UV muab cov ntsiab lus ntawm cov kua mem hloov pauv thiab kev luam ntawv ntau hom xim grey sib xyaw ua ke. Los ntawm kev tswj hwm qhov loj ntawm cov kua mem thiab kev faib cov xim grey kom meej, nws ua tiav qhov xim grey gradient zoo los ntawm lub teeb mus rau tsaus ntuj. Qhov kev tshawb pom tshiab no yog qhov tseem ceeb rau cov duab thiab cov khoom siv uas nrhiav kev luam ntawv xim gradient siab. Txawm hais tias nws yog kev luam ntawv duab zoo nkauj thiab nplua nuj lossis keeb kwm yav dhau gradient uas xav tau kev hloov xim zoo, peb lub tshuab luam ntawv UV tuaj yeem daws tau yooj yim, ua kom ntseeg tau tias cov nyhuv luam ntawv yog qhov tseeb thiab muaj ntau txheej. Qhov kev tsim kho tshiab no tsis yog tsuas yog ua tau raws li kev thov zoo ntawm kev ua lag luam rau kev luam ntawv xim gradient, tab sis kuj muab kev txhawb nqa zoo rau kev tsim khoom zoo ntawm ntau yam khoom, thiab txhawb kev txhim kho kev lag luam luam ntawv mus rau qib siab dua.
Lub sijhawm tshaj tawm: Lub Peb Hlis-26-2025
