Zaj duab xis yog tseem siv nyob rau hauv kev thaij duab, thiab ntau yam tseem ceeb thiab muaj nqis yog khaws cia hauv cov qauv analog, raws li lawv tau nyob rau hauv lub xyoo thaum digital technologies tsis tau tsim. Tam sim no, muaj ob peb txoj kev sib txawv los luam tawm cov duab tsis zoo.
Cov Lus Qhia
Kauj ruam 1
Muaj ob txoj kev sib txawv rau kev daws qhov tsis zoo: digital thiab analog. Digitizing zaj duab xis tso cai rau kom yooj yim lub sijhawm ntev cia ntawm cov duab yam tsis muaj kev kho dua ib zaug, thiab lav nws lub cev muaj kev nyab xeeb. Cov yeeb yaj kiab-rau-cov yeeb yaj kiab tsis zoo tsis tuaj yeem khav thev naus laus zis uas muaj kev ntseeg siab thiab khaws cia, tab sis nws tuaj yeem ua kom zoo nkauj, thiab tseem ceeb tshaj, nws tso cai luam tawm los ntawm zaj duab xis los ntawm txhais tes, uas yog qhov muaj txiaj ntsig thiab zoo tshaj plaws ntawm daim duab luam tawm.
Kauj ruam 2
Thaum luam tawm zaj duab xis mus rau digital, koj yuav tsum daws cov teeb meem ntawm kev xaiv cov ntawv hom thiab cov khoom siv rau kev thaij duab. Muaj ntau ntau hom ntawv raster rau khaws cov duab. Cov kev xaiv ntau yam yog ob hom: nrog thiab tsis muaj compression. Ib hom ntawv tuaj compressed yog JPG. Nws yuav siv sij hawm qhov chaw me me piv rau lwm hom thiab khw muag khoom feem ntau ntawm cov ntaub ntawv hais txog cov duab. Yog tias cov khoom siv thaij duab tsis yog npaj rau tom qab luam tawm los yog ua qee yam lwm yam kev xav tau uas xav tau qhov zoo ntawm lub hauv paus, ces koj tuaj yeem txwv koj tus kheej rau hom no. Txwv tsis pub, koj yuav tsum siv daim tseem tsis tau yees duab ua hom TIFF lossis BMP.
Kauj ruam 3
Lub tshuab scanner muaj qhov kev cuam tshuam zoo ntawm cov khoom zoo zoo. Muaj ntau ntawm cov yam ntxwv ntaus ntawv txuam nrog hom Matrix, lub teeb tsim teeb pom kev zoo thiab software muaj peev xwm. Cov tshuaj ntsuas roj tuaj yeem faib ua ob pawg: cov neeg siv hobbyist ntsiav tshuaj thiab cov tshuab ntaus nruas. Nws yog qhov zoo dua los siv qhov kev pom tom kawg, qhov no yuav tso cai rau koj kom tau txais qhov loj dua, qhov tseeb ntawm cov duab, qhov kev kawm zoo ntawm kev rov ua qhov tsis zoo hauv kev ntxoov ntxoo thiab midtones.
Kauj ruam 4
Tshem qhov tsis zoo los ntawm kev ua yeeb yaj kiab rau zaj duab xis yog qhov tsawg dua, tab sis tseem muaj thiab yog qhov tseeb rau qee lub hom phiaj. Muaj ob txoj kev xaiv: rov qab kho dua nrog daim ntawv thaij dav dav ntawm cov zaj duab xis thiab kev thaij duab tsis zoo. Rau txoj kev tom kawg, cov ntawv txuas tshwj xeeb rau macro thaij duab tau muag, mus rau qhov twg ib qho tsis zoo lossis tus swb tso rau, tom qab uas nws tau tua nrog lub koob yees duab. Nws yuav tsum raug sau tseg tias txoj kev tom kawg kuj tseem tuaj yeem siv los txiav txim siab qhov tsis zoo (thaum tua nrog lub koob yees duab digital), tab sis kev txheeb xyuas yog qhov zoo dua.
