Cov duab, zoo li txhua cov duab digital, khaws cia rau ntau hom, cov kev xaiv uas tsis yog nyob ntawm tus kheej nyiam ntawm tus kws yees duab lossis tus tswv ntawm cov duab, tab sis kuj yuav ua li cas lawv yuav siv nyob rau hauv lub neej yav tom ntej.
NYOO hom
Cov qauv uas muaj ntau tshaj plaws rau cov kws thaij duab yog RAW. Qhov no yog qhov hu ua "nyoos" duab hom, uas tsuas yog qhib tau nrog kev pab ntawm cov duab kho (Adobe Photoshop, Lightroom, Adobe Camera Raw). Cov duab hauv RAW hom coj mus rau ntau qhov chaw ntawm lub computer disk lossis flash card, lawv tuaj yeem "compressed" rau lwm hom ntawv thiab muab ntau cov kev ua haujlwm (tshwj xeeb, tsis poob qhov zoo ntawm cov yees duab, dawb tshuav, sib piv, meej thiab lwm tus tuaj yeem kho kho cov yam ntxwv ntawm daim duab). Cov qauv RAW tsuas yog xaiv tau thaum tua, nws tsis tuaj yeem tsim cov duab zoo li no hauv computer. Cov chaw tsim khoom sib txawv ntawm DSLR thiab cov neeg siv khoom thaij duab muaj cov qauv sib txawv.
JPEG hom ntawv
JPEG (JPG) yog qhov feem ntau siv cov duab qauv hauv ntiaj teb. Cov tub yees duab amateur feem ntau siv digital point-thiab-shoot cov koob yees duab xaiv cov hom ntawv no rau kev tua. Ntxiv rau,.jpg
Cov ntaub ntawv JPEG yog qhov yooj yim kho nyob rau hauv ntau cov duab kab lus, tab sis nrog txhua qhov kev hloov lawv poob zoo. Ntawm qhov tod tes, nws yooj yim heev rau cov ntaub ntawv nquag hloov hauv Is Taws Nem, thaum cov ntaub ntawv tuaj yeem hnyav tsis tshaj 1 MB, tab sis tib lub sij hawm zoo nkauj heev hauv qhov tsos.
TIFF hom
TIFF hom ntawv yog feem ntau siv rau hauv kev luam ntawv thiab tsim. Cov duab nyob hauv hom ntawv no tsis tas yuav tsum yog cov duab (TIFF tuaj yeem khaws cov duab kos duab, vectors, thiab lwm yam). Thaum ua tiav hauv Adobe cov kho, TIFF cov ntaub ntawv tsis plam lawv qhov tsis zoo.
Rau feem ntau cov neeg siv dog dig, cov hom ntawv no tsis haum, txij li hom ntaub ntawv no yuav siv ntau qhov chaw hauv lub cim xeeb ntawm lub PC lossis daim npav flash.
Ib qho ntawm cov duab tshaj plaws nyiam yog
Txhua hom kev tawm tswv yim, tshwj tsis yog RAW, tuaj yeem qhib nrog tus qauv duab saib.
