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Yog tias koj yog ib feem ntawm kev coding, kev ua duab, lossis cov duab tsim cov zej zog, tej zaum koj tuaj yeem hla qhov tseeb tias muaj ntau cov duab siv tau cov ntaub ntawv tawm tswv yim muaj. Qhov no yog vim tias txhua hom ntaub ntawv muaj nws tus kheej cov yam ntxwv thiab cov ntawv thov uas ua rau nws nyuaj rau cov zej zog xaiv cov ntaub ntawv thoob ntiaj teb lossis txawm tias tshem tawm cov qauv tom ntej.
Muaj ib txwm muaj kev sib cav sib cav sib ceg ntawm cov neeg hauv zej zog uas muaj cov ntaub ntawv twg yog qhov zoo tshaj plaws los siv thiab rau lub hom phiaj twg. Ob ntawm cov ntaub ntawv tawm tswv yim feem ntau tshwm sim hauv cov kev sib cav no yog ntawm HEIC thiab WebP.
Hauv tsab xov xwm no, peb yuav los sib piv cov yam ntxwv tseem ceeb, qhov zoo, thiab qhov tsis zoo ntawm ob qho tib si cov duab cov ntaub ntawv tawm tswv yim.
HEIC
Lub High-Efficiency Image Container (HEIC) yog ib hom duab tsim los ntawm Moving Picture Experts Group (MPEG) hauv 2015 thiab txij li thaum tau txais los ntawm Apple ua tus qauv rau kev txuag cov duab hauv iPhone li.
Cov ntaub ntawv hom ntawv no tau ua qauv tom qab High-Efficiency Image File Format (HEIF) thiab npog cov ntaub ntawv ntau yam xws li cov ntawv sau sijhawm, suab, thiab yees duab. Hom ntaub ntawv no tau tsim los ua ib txoj hauv kev los cawm koj cov duab hauv txoj hauv kev uas lawv siv qhov chaw nco tsawg dua thaum khaws cov khoom zoo.
Ntsiab nta
- Tso cai rau khaws cia tus kheej thiab ua ntu zus ntawm cov duab.
- Siv High-Efficiency Video Container (HEVC) los encode cov duab.
- Siv cov txheej txheem compression thiab algorithms rau encoding cov duab.
- Nws tuaj yeem khaws cov khoom duab, muab faib ua ntu zus, thiab metadata.
zoo
- Txuag qhov chaw nrog khaws cov duab thiab cov duab ua ntu zus hauv cov ntaub ntawv me me.
- Cov txheej txheem compression siab heev muab txog li 50% cov duab me me thaum tswj cov duab zoo.
- Siv 16-ntsis tonal ntau yam uas ua kom muaj xim zoo nkauj palette.
- Txhawb nqa los ntawm Apple iOS 11 thiab siab dua, Mac OS, thiab Google's Android.
- Tau tshaj nrog feem ntau kho software (ie Adobe Photoshop).
tsis zoo
- Tsis sib xws nrog cov laus versions ntawm ntau lub operating systems (xws li Windows 8.1 thiab hauv qab).
- Raws li lub Peb Hlis 2021, tsis muaj lub vev xaib browser txhawb HEIC ib txwm muaj.
WebP
Web Picture format (WebP) yog ib hom duab cov ntaub ntawv niaj hnub tsim los ntawm Google hauv 2010. WebP ua rau kev siv cov compression algorithms uas muaj zog kom noj tsawg qhov chaw nco thaum khaws cov duab zoo. Siv cov ntaub ntawv no, webmasters thiab web developers tuaj yeem tsim cov duab me me, nplua nuj dua uas ua rau lub vev xaib sai dua. WebP tsis ntev los no tau txais kev nyiam ntau dua vim raug tso tawm ua ib qho Qhib qhov chaw hom ntaub ntawv.
Ntsiab nta
- Ua haujlwm ob qho tib si lossy (compression nrog cov ntaub ntawv poob) thiab lossless (compression yam tsis muaj ntaub ntawv poob) algorithms.
- Txhawb cov animation thiab alpha pob tshab.
- WebP cov duab khaws cov metadata txog nws cov ntaub ntawv pob tshab ntawm ib lub pixel.
- Cov duab yuav muaj ntau lub thav duab nrog rau ncua ntawm lawv, ua rau nws muaj kev ua si.
zoo
- suav nrog 24-ntsis RGB xim nrog pob tshab hauv kev sib piv rau 8-ntsis xim encoding li ib txwm.
- Animations muaj peev xwm ua ke lossy thiab lossless thav duab los tsim cov duab zoo.
- Siv ntau qhov chaw tsawg dua piv rau lwm cov animation txhawb cov duab, txog li 64% tsawg dua!
- Cov nplooj ntawv nrog WebP cov duab thauj khoom sai dua vim lawv qhov me me.
tsis zoo
- Ntau CPU-intensive piv rau lwm cov animation txhawb cov duab cov ntaub ntawv tawm tswv yim.
- Tsis muaj kev txhawb nqa hauv kev sib piv rau lwm cov animation txhawb cov duab hom, zoo li GIF.
- Ntxiv WebP kev txhawb nqa rau cov browsers nce tus lej hneev taw thiab tawm tsam qhov chaw.
- Lossy compressed WebP cov duab muaj qhov txo qis vim yog cov txheej txheem compression ua haujlwm.
xaus
Yog li koj tuaj yeem pom, muaj qhov zoo thiab qhov tsis zoo rau kev siv HEIC thiab WebP nyob ntawm seb koj xav ua kom tiav. Yog tias koj xav siv cov duab ntawm JPEG zoo tab sis me me ces koj muaj HEIC, yog tias koj xav siv cov animations uas zoo dua li GIFs uas nyob qhov chaw tsawg, ces WebP yog hom duab rau koj!
Kuv vam tias phau ntawv qhia tau nthuav dav thiab muab kev pom zoo rau koj rau ob qho tib si duab, lawv cov yam ntxwv tseem ceeb, thiab lawv siv. Koj nyiam hom ntawv twg thiab vim li cas? Qhia rau peb hauv nqe lus hais, kuj qhia cov kab lus no los pab koj cov phooj ywg txiav txim siab seb cov duab twg siv rau lawv qhov project loj tom ntej.
Gustavo Balmaceda: koj puas xav tau ntau tus thwjtim?
nrog webp koj kuj tau txais cov duab nrog jpg zoo nrog me me. nws tag nrho nyob ntawm tus nqi compression tom qab tag nrho jpg kuj yog ib hom ntawv lossy. webp ntawm 90% tsis muaj qhov sib txawv nrog jpg 95 thiab qhov loj yog ntau dua lossis tsawg dua ib nrab (ntawm disk). tib qhov webp nco yog tias qhov loj tshaj plaws tsis tuaj yeem loj dua 16300px lossis li ntawd.