JPG Iicebo lokucoca ulwelo

Isikali esingwevu, i-Sepia noMthunzi wo JPG images

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Iyalayisha

Indlela yokufaka izihluzi ku JPG

1 Layisha phezulu i JPG images ofuna ukuyiphatha.

2 Khetha iziphumo zakho - i-greyscale, sepia, i-invert, i-blur, i-sharpen, i-brightness, i-contrast ne-saturation - kwaye umisele amandla nganye.

3 Sebenzisa zonke ezi zinto kwindlela enye edlulayo kunokuba uqhube isixhobo ngokuphindaphindayo, oku kukwenza ukulimala okubonakalayo.

4 Layisha ezantsi ifayili ecociweyo JPG, kwaye ugcine eyakho eyamva nje: le yindawo ekuphela kwayo yokubuyisela oyenzayo.

JPG Iicebo lokucoca ulwelo Imibuzo ebuzwa rhoqo

Ingaba ifomati yombhalo itshintsha indlela icebo lokucoca ulwelo elibonakala ngayo?

Iyakwazi. I-JPG igcina i-8-bit RGB idlula kwi-DCT elahlekile ene-4:2:0 chroma subsampleing ngokumiselweyo, ngoko umbhalo omnyama olungileyo kunye nemiphetho eqinileyo zizinto zokuqala zokuncamathela. Ubunzulu bombala kunye nemodeli yengqokelela yezixhobo ngokukodwa igqiba ukuba i-gradient okanye ukucaca kungabonakaliswa njani ngokulula.

Nantoni na ekhethekileyo kwi JPG ekufuneka igcinwe engqondweni?

Ewe - Yonke i-save iphinde iqhube i-quantiser, ngoko ukuhlela kwakhona nokugcina kwakhona i-JPG kudibanisa ukulimala kokwenza nokuba awunakunyusa umgca wokutyibiliza womgangatho. Oku kuninzi utshintsho phakathi kwesiphumo esibonakala sicocekile kunye nesiphumo esibonakala sibanda.

Ndinokuyibuyisela icebo lokucoca emva kokukhuphela?

Hayi - isiphumo sibhakiwe kwimveliso ye pixels, eyiyo incopho yokusebenzisa. Gcina ifayile yokuqala; leyo ibuyisela. Isikali esingwevu nokungaboni ngaphaya ngokukodwa bashiya ulwazi olungenakubuyiselwa.

Ndingaqhuba i JPG Iicebo lokucoca ulwelo kwi JPG images ezininzi ngaxeshanye?

Ewe. Nciphisa iqela lonke kwindawo yolayisho phezulu kwaye ziphole ngokuthe ngqo ngemimiselo efana nayo - le yisizathu esiphambili sokwenza oku kumkhangeli zincwadi kunokuba yifayile enye ngexesha kumhleli. Iiakhawunti ezikhululekileyo ziqhuba ifayile enye kwiqela; ugqithiso luyikhupha loo nto.

Ithini into ebangela ukuba i-EXIF ne-data yeprofayili yombala isebenze?

Oku kuxhomekeke kwisixhobo. Ukucofa kunqakraza i-EXIF kunye neprofayili yombala ofakwe ngaphakathi ukulondoloza isithuba, ngelixa uhlela njengenguqulo yobungakanani okanye ujikeleziso ungagcina. Akukho mmiselo kule phepha oza kukhetha, ngoko khangela ifayile ngombonisi we-metadata phambi kokukhutshwa ukuba indawo ye-data ibalulekile.

Ingaba i JPG Iicebo lokucoca ulwelo ibiza nantoni na?

JPG Iicebo lokucoca ulwelo ikhululekile ngaphandle kwe akhawunti kwaye idibanisa akukho phawu lwamanzi. Ulayisho phezulu neziphumo zicinywa ngokuzenzekelayo malunga neyure ezi 24 emva komsebenzi, oshiya ixesha lokulayisha ezantsi iziphumo.

Ingaba kukho umda wobungakanani befayili kwi JPG Iicebo lokucoca ulwelo?

Ewe: i-akhawunti ekhululekileyo iqhubekeka imifanekiso ukuya kwi-5 MB nganye, equka ngokucacileyo yonke ikhamera ye-JPG kunye nefowuni yomfanekiso; umsebenzi ukwenziwa yi-libjpeg-turbo ne-libwebp, iilayibrari ezifanayo umhleli we-desktop uqhagamshelana nazo. Iifayili ezinkulu zizinto ezi-1 ezimfutshane ezikhululekileyo eziza kukuthintela, kwaye umda yifayili nganye kunokuba yiqela ngalinye.

Kutheni i PNG inxuwa liququzelela JPG Iicebo lokucoca ulwelo?

PNG.to ibekwe phantsi kohlobo olusebenzisayo xa awukwazi ukulahlekelwa yi-pixel: akukho lahlekelwa, i-alpha-ekwaziyo, neimpendulo elungileyo yescreenshots, ilogos, umzobo womgca nantoni na enemiphetho eqinileyo. Umsebenzi womfanekiso awusoloko uthatha inyathelo elinye: abantu bafika ukutshintsha ifomati kwaye bashiye befuna umfanekiso ohlukileyo kubungakanani, ubunzima obuhlukileyo okanye isimbo esihlukileyo. Ukusebenza JPG Iicebo lokucoca ulwelo kwindlela yokukhuphela enye, ubungakanani obufanayo becaps kunye neakhawunti enye yisizathu esipheleleyo esikhona apha kunokuba kwi tab yesine.

Ndiza kwenza ntoni ngeziphumo xa i JPG Iicebo lokucoca ulwelo igqityiwe?

Umguquli kule ndawo ushenxisa imifanekiso ukuya nakwi-PNG, JPG, WebP, GIF ne-SVG — eyona nto iphambili apho ukhetho malunga nokubonakala ngathi luya kwenziwa. Lo ngumhlathi abantu abaninzi bafika ngawo, kwaye ukuyenza emva JPG Iicebo lokucoca ulwelo kunokuba phambi ithetha ukuba uguqulelo lusebenza kwifayile ogqibile ukumisela kuyo.

Ingaba JPG Iicebo lokucoca ulwelo apha isixhobo esifanayo esisebenza kumasayithi afana nalowo?

Iinjini zinikezelwa - iilayibrari ezifanayo, abasebenzi abafanayo, amaqondo afanayo. Okuhlukayo kukucebiso, kwaye ucebiso apha luqala kwinyani enye malunga nefomati le ndawo ibizwa emva: akukho mqhoboshi womgangatho onokuthi uphume embi — i-PNG ijikeleza-ihamba ngokuchanekileyo, ngoko into ekuphela kwayo eyenza utshintsho ibiza ubungakanani befayili. I PNG indawo ithetha malunga apho PNG yindawo efanelekileyo yokugqitha kwaye apho ayiyiyo, kwaye loo hlolo lixabiso ngaphezulu kweqhosha.

Ndifuna i-akhawunti, kwaye ngaba kukho into egcinwa?

Akukho akhawunti ifunekayo. Ulayisho phezulu kunye neziphumo zigcinwa malunga neyure ezili-24, eshiya ixesha lokulayisha ezantsi iziphumo, kwaye ke zicinywe ngokuzenzekelayo; akukho mntu ufunda, uluhlu okanye udweliso lwendlela. Iifayile ezininzi kwimisebenzi enye zifuna inkqubo ehlawulweyo.