JPG Iicebo lokucoca ulwelo

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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 ekhoyo.

JPG Iicebo lokucoca ulwelo Imibuzo ebuzwa rhoqo

I JPG Iicebo lokucoca ulwelo isebenzisa njani isiphumo?

Concretely, isihluzi siguqulelo lwe-pixel nganye esetyenzisiweyo kumfanekiso oguqulwe kolunye ulwimi, ngoko ke ifayile kufuneka iphinde iguqulwe kolunye ulwimi kabini - sebenzisa isihluzi ngasinye ofunayo kwindlela enye kunokuba ubeke phantsi uqhubo. You pick the effect and its strength and the transform is applied to the whole file at once.

Ziziphi iziphumo ezifumanekayo?

Isikali esingwevu, i-sepia, ukujika, ukungqubana, ukuqaqamba, kunye nokukhanya, u kontrast kunye nokulungiswa kokulungiswa. Ziyakwazi ukudityaniswa, kwaye ukudityaniswa kwabo kwindlela enye kungcono kunenkqubo yesixhobo ephindaphindwayo.

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.

Ndingasebenzisa ukubonakala okufanayo kwiqela elipheleleyo?

Ewe. Uqwalaselo lwesihluzi elinye lusetyenziswa kwiqela, eli lindlela ofumana ngayo igaleji ebonakalayo ehambelanayo kunokuba ubeke imifanekiso eyenziwe ngokwezifiso efana ne-e.

Yintoni endinokuyilayisha kwi JPG Iicebo lokucoca ulwelo?

Nantoni na ekufumaneni usapho lwe-raster - JPG, JPEG, JFIF ne-WebP - kunye neefomati ezingalunganga (PNG, BMP, TIFF) ukuba ufuna ukuzidibanisa kwiqela elinye. Ifomati ifundwa kwisihloko sefayili, hayi kwisiphelo, ngoko ke umfanekiso ogciniweyo nge-suffix engafanelekanga uhlala udlula.

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.

Ingaba i JPG Iicebo lokucoca ulwelo iya kunyusa ubunjani be JPG images yam?

Umthombo olahlwayo sele uyimpumelelo yendlela enye yokugqitha, kwaye nayiphi na imisebenzi efuna ukubuyisela ikhowudi idibanisa enye. Xa umsebenzi ungakwenziwa ngaphandle kokucofa i-pixel data siyenza endaweni, kwaye apho ayikwazi khona ukhetha umgangatho wezinto ozithandayo ngokwakho kunokuba ufumana okumiselweyo okumiselweyo.

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?

Ikhamera EXIF (ISO, i-shutter, i-lens, i-GPS) kunye ne-ICC efakwe kwiprofayili idluliselwa ngokumiselweyo, kuba ukulahla iprofayili kwenza umbala utshintshe xa uphinda urhweba ngaphakathi. Sebenzisa ukhetho lokhuseleko lokucoca i-metadata phambi kokukhuphela ukuba ujonge ukupapasha ifayili.

Ingaba i JPG Iicebo lokucoca ulwelo ibiza nantoni na?

Umhlathi JPG Iicebo lokucoca ulwelo ukhululekile ngaphandle kwe-akhawunti, akukho phawu lwamanzi kwimveliso kwaye akukho mnatha wobhaliso phambi kokukhuphela. Ukukhuphela kususwa ngokuzenzekelayo ngexesha elifutshane emva kokuba umsebenzi ugqibile.