Guqula TIFF kuya JPG

Guqula Eyakho TIFF kuya JPG amafayela kalula

Khetha amafayela akho

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Ukulayisha

Indlela yokuguqula TIFF kuya JPG

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

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

Isinyathelo 3: Landa i-version yakho JPG amafayela

TIFF kuya JPG Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani i-TIFF ibe yi-JPG ngaphandle kokulahlekelwa ubuhle besithombe?

Layisha phezulu ihele lakho TIFF, bese isiguquli sethu sifaka ukulungisa umgangatho okwaziyo ifomethi ye-JPG. Ifomethi engalahleki (PNG, TIFF, BMP) sigcina wonke ama-pixel; ifomethi elahlekile (JPG, WebP) ungahlela umphumela womgangatho ngaphambi kokufaka. I-JPG iyisimo se-JPEG esijwayelekile kusukela ngo-1992, futhi ngemuva kweminyaka emithathu ihlala iyisimo esisetshenziswa amakhamera amaningi namanye amawebhusayithi asebenzisa ama-photos.

Yini ezoba nezinga le-layers kuhele lwami TIFF?

Zihlanganiswa, ngokuqhubekayo, kusithombe esifanayo esihlobene. Amamodali wokuxuba, ama-masks, ama-layers wokuhlela kanye nombhalo ohlelayo wonke axazululwa kumapixels aphesheya ngoba JPG ayikho isakhiwo esigcinayo. Gcina i TIFF njenge-master esebenza kahle futhi uthathe i JPG ngokuqinile njenge-export. I-TIFF iphatha i-CMYK, 16-bit ububanzi, i-ICC ifaka amaprofayili namadokhumende amakhasi amaningi, okuwukuthi okuthile okudingekayo ukuphrinta nokugcinwa kwemisebenzi. I-JPG ayinayo ukubukeka okucacile, ikhuphuka kancane ngaso sonke isikhathi lapho igcinwa kabusha, futhi ikhiqiza ukuvala okubonakalayo kumbala ophansi nombhalo oqinile.

Ingabe ukubukhali kuzoqhubeka nokushintsha TIFF kuya ku JPG?

Akuna - JPG ayikho i-alpha channel, ngakho amasifunda abonisa ngaphaya ahlanganisane nombala wesizinda, omhlophe uma ungashintsha. Lokhu kuyinto ejwayelekile kakhulu enjalo: ilogo ebukeka ihlanzekile kukhasi elimnyama lifika ngebhokisi elimhlophe libhekene nalo. Misela umbala omnyama ukuze ulinganise lapho isithombe sihlala khona, noma khetha okudingayo okugcina i-alpha.

Ingabe ngizolahlekelwa yikhwalithi eningi uma ngisuka ku TIFF ngiye ku JPG?

Kukhwalithi engu-80-85 ushintsho alubonakali kude kakhulu kokubheka futhi ifayela liphansi ngo-60-80%. Ukwesaba ukuthi kuyindlela eyodwa: ukulondoloza kabusha i JPG phinda phinda ihlanganise ama-artefacts ngaso sonke isikhathi. Gcina i TIFF njengenkosi futhi uphinde udale i JPG kusuka kuyo lapho ufuna ubukhulu obusha. I-JPG ilahlekelwa yisimo: isithombe siguqulwa nge-DCT, silinganiselwe, futhi sikhonjiswa nge-entropiya, nge-nobhu wobude olawula ukuthi yini elahlekile.

Ingabe i-JPG igcina i-EXIF data kusuka ku-TIFF yami?

Ngokungajwayelekile yebo, lapho injongo ikhona khona ukuze ibekwe khona - imodeli yekhamera, izilungiselelo zokuveza, ilensi kanye ne-GPS coordinates zonke zihamba phambili. I-GPS iyindawo efanele ukucabanga ngayo: uma isithombe sizoshicilelwa, sebenzisa i-strip-metadata option ukuze ungasakazi lapho isithombe sithathwe khona. I-TIFF iyifomethi yefayela lesithombe ephawulwe kusukela ngo-1986, futhi iyifomethi yokuskena, ukushicilela kanye nokugcinwa kwezinto eziphilayo ezijwayelekile.

Ingabe ukuguqulwa TIFF kuya ku JPG kugcina ukubukeka okucacile?

Ukubukeka okucacile kuhlala lapho uhamba ku-PNG, WebP, TIFF, GIF, noma SVG. Ukushintsha ku-JPG kuhlanganiswa isixhumi se-alpha esibhekene nesizinda esimhlophe — uma ufuna ukubukeka okucacile, bheka ifomu elikwaziyo ukubukeka okucacile endaweni ye-JPG.

Ingabe iprofayili yami yombala (sRGB / Adobe RGB / CMYK) izohlala i TIFF kuya ku JPG?

Amaprofayili wemibala we-ICC afakwe ngaphakathi afundwa kusuka kumthombo TIFF futhi axhunywe kabusha ku-JPG lapho ifomethi ixhasa khona (JPG, PNG, TIFF, WebP). Amafomethi enza i-profayili ayixhasi ibuyela emuva ku-sRGB.

Yini mayelana ne-EXIF metadata uma uguqula TIFF usuka ku-JPG?

Ikhamera EXIF (ISO, ishutter, ilensi, GPS) igcinwa ngokuzenzakalela ngesikhathi sokuguqulwa TIFF → JPG lapho amafomethi amabili exhasa i-metadata. Sebenzisa ukhetho lokufihla ukususa i-metadata ngaphambi kokulayisha ngezansi uma ufuna ukuhlanganisa izithombe ngaphandle kokutholakala kwe-geolocation.

Ingabe ngingenza ukuguqulwa kwekhulu le TIFF amafayela ku JPG ngasikhathi sinye?

Yebo — cindezela amafayela amaningi TIFF endaweni yokulayisha futhi sizowabeka emqoka ngokufanayo. Abasebenzisi abamahhala bathola ama-100MB ngefayela ngalinye; iPremium ayinaso isiphetho sefayela ngalinye futhi isebenza nabasebenza ngokufanayo, ngakho-ke isithombe esingu-200 siqediwe ngaphantsi kwemizuzu emibini.

Ingabe TIFF kuya ku JPG iqhathaniswa kanjani ne-Photoshop / GIMP ngemisebenzi efanayo?

Ukuguqulwa kwefomethi elula sisebenzisa i-libpng / libjpeg-turbo / libwebp / ImageMagick pipes efana ne-desktop editor esebenzisa, ngekhwalithi efanayo. Ushintsho ukuthi amathuluzi wedesktop avula ifayela elinye ngasikhathi sinye; sivumela iqembu futhi sisebenzisana nabo.

Yini isixazululo kanye nezici zehele lami JPG?

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

Ingabe ihele JPG lincane uma kungabonakali izinto ezibonakalayo?

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

TIFF

Amafayela e-TIFF asekela ukujula kwe-bit ephezulu kanye nokucindezelwa okungenakulahlekelwa, okulungele ukuthwebula izithombe zobungcweti kanye nokuphrinta.

JPG

Amafayela e-JPG asebenzisa ukucindezela okulahlekile okwenzelwe izithombe, okunikeza osayizi abancane bamafayela ngenkathi kugcinwa ikhwalithi yokubuka.