jpeg) stands rau " Joint Photographic Experts Group", uas yog lub npe ntawm pab pawg neeg tsim tus qauv JPEG.
PDF thiab JPEG sawv cev rau dab tsi?
Teb: PDF (Portable document format) yog cov qauv ntaub ntawv tsim los ntawm Adobe. Nws tso cai rau scalable ntawv, vector dluab, thiab bitmap ua ke nyob rau hauv ib daim ntawv. … JPEGs yog cov duab bitmap. Qhov no txhais tau tias lawv yuav saib blocky yog tias koj teev lawv loj dua lawv qhov loj me.
Vim li cas thiaj hu ua JPEG?
JPEG siv rau dab tsi?
JPEG yog hom ntawv poob raster uas sawv cev rau Pawg Kws Tshaj Lij Tshaj Lij Tshaj Lij, cov kws tshaj lij uas tsim nws. Qhov no yog ib qho ntawm cov kev siv dav tshaj plaws hauv online, feem ntau yog rau duab, email graphics thiab cov duab loj hauv web xws li banner ads.
JPEG phem ntawm dab tsi?
Tej zaum qhov kev txwv loj tshaj plaws nyob rau hauv JPEG hom yog qhov tseeb tias qhov kev siv compression yog lossy. Ntawd yog, koj poob qee cov ntaub ntawv hauv cov txheej txheem ntawm compressing nws. … JPEG ua haujlwm zoo rau kev nthuav tawm cov duab tab sis yog qhov kev xaiv tsis zoo rau kev kho.