Guqula JPEG kuya JFIF

Guqula Eyakho JPEG kuya JFIF amafayela kalula

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula JPEG kuya JFIF

Isinyathelo 1: Layisha eyakho JPEG amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho JFIF amafayela

JPEG kuya JFIF Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani i-JPEG ibe yi-JFIF ngaphandle kokulahlekelwa ubuhle besithombe?

Layisha phezulu ihele lakho JPEG, bese isiguquli sethu sifaka ukulungisa umgangatho okwaziyo ifomethi ye-JFIF. Ifomethi engalahleki (PNG, TIFF, BMP) sigcina wonke ama-pixel; ifomethi elahlekile (JPG, WebP) ungahlela umphumela womgangatho ngaphambi kokufaka.

Ingabe umbala wami we-CMYK uzoqhubeka nokuguqulwa ku JFIF?

Kuguqulwa ku sRGB, ngoba JFIF ayikho indlela ye CMYK. Ukusetshenziswa kweskrini lokho kulungile. Uphrinta okuhweba akuyona - i-gamut shift ishintsha indlela imibala egcwele ikhiqizwa ngayo kuphrinta, ngakho-ke thumela umphrinta okuqala JPEG endaweni ye-JFIF. I-.jfif ubanzi luthinta amawindi namathuluzi wewebhu ambalwa ukuvimbela ifayela, okuvame ukuba yisizathu sodwa sokuba umuntu aguqule.

Yini mayelana ne-EXIF metadata uma uguqula JPEG usuka ku-JFIF?

Kuzo zonke izishintsho, ama-EXIF ama-camera afana nemodeli ye-camera nendawo ye-GPS afakwanga ku-JFIF. Akukho sinqumo kule khasi sokugcina noma ukususa i-metadata, ngakho hlola imiphumela ngombonisi we-metadata uma kubaluleke.

Ingabe ngingenza ukuguqulwa kwekhulu le JPEG amafayela ku JFIF ngasikhathi sinye?

Amafayela amaningi emisebenzini eyodwa adinga iphrojekthi ekhokhelwa. Ukusetshenziswa okumahhala kuyisifayela esisodwa ngasinye sokuguqulwa, ukuguqulwa okufanayo ngehora. Kuphrojekthi ekhokhelwa ungangeza amafayela amaningi kumsebenzi owodwa, bese ulanda impendulo ngayinye yayo noma zonke ku-ZIP eyodwa.

Yini isixazululo kanye nezici zehele lami JFIF?

Ukuziphatha okuzenzakalelayo yi-1:1 — i-JFIF yakho yesokudla inezici ze-pixel ezifanayo ne-JPEG. Sebenzisa isikhashana /ukuguqula-isifanekiso/ esisodwa ngemuva kokuguqulwa uma ufuna ukuncipha noma ukuphakama njengengxenye yokuhamba komsebenzi.

Ingabe ihele JFIF lincane uma kungabonakali izinto ezibonakalayo?

I-JPG / WebP, ikhwalithi engu-75-85 ithola ihele elincincane ngama-60-80% kunalomthombo JPEG ngaphandle koshintsho olubonakalayo emgwaqweni wokubuka ojwayelekile. Inhloso engalahleki (PNG, TIFF), cabanga ukulondoloza okuncane — ngokuvamile 5-30% nge-deflate / LZW yokucindezela okungcono.

Ingabe amafayela ami JPEG afihlakele ngesikhathi sokuguqulwa?

Yebo. Amafayela JPEG alayishwe phezulu aphathwa kumaseva ethu ahlukile futhi angeke abone noma ahlukaniswe. Amafayela alayishwe phezulu namasithombe aguqulwe asuswa ngokuzenzakalela cishe amahora angu-24 ngemuva kokuguqulwa. Inqubomgomo yobumfihlo egcwele itholakala ku /privacy/.

Kungani ihele lami eliguqulwe JFIF likhulu / lincane kunalokho engilindele?

Ihele JPEG elinamandla okucindezeleka (isibonelo, iJPG enamandla okucindezeleka) likhula lapho liphinde likhonjiswa ku JFIF (PNG, TIFF) elingasebenzisi amandla, futhi i-bitrate ephezulu engenamsebenzi JPEG lincipha kakhulu lapho liya ku-JPG / WebP. Izinga lixhomekeka kusithombe esiqukethwe (izithombe zicindezeleka ngendlela eyahlukileyo kunaleyo ye-line art).