JPEG Iicebo lokucoca ulwelo

Isikali esingwevu, i-Sepia noMthunzi wo JPEG images

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Iyalayisha

Indlela yokufaka izihluzi ku JPEG

1 Layisha phezulu i JPEG 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 JPEG, kwaye ugcine eyakho eyamva nje: le yindawo ekuphela kwayo yokubuyisela ekhoyo.

JPEG Iicebo lokucoca ulwelo Imibuzo ebuzwa rhoqo

Ingaba ifomati yombhalo itshintsha indlela icebo lokucoca ulwelo elibonakala ngayo?

Iyakwazi. I-JPEG yi-codec efanayo ne-JPG phantsi koluhlu olude — i-DCT efana ne-pipeline, i-quantization table efana ne-quantization table, akukho nto malunga nee-pixels ezitshintsha ngegama lefayili. Ubunzulu bombala kunye nemodeli yengqokelela yezixhobo ngokukodwa igqiba ukuba i-gradient okanye ukuqaqamba kungabonakaliswa njani ngokulula.

Nantoni na ekhethekileyo kwi JPEG ekufuneka igcinwe engqondweni?

Ewe - i.jpeg ne.jpg izilungiso ziyi-bitstream efanayo, ngoko akukho nto apha esebenza ngokuhlukileyo kune-.jpg — kuphela igama lefayili litshintsha. 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 yiyo uyenza. Isikali esingwevu nokungaboni ngaphaya ngokukodwa ushiye ulwazi olungenakubuyiselwa.

I JPEG Iicebo lokucoca ulwelo isebenzisa njani isiphumo?

Concretely, isihluzi siguqulelo lwe-pixel nganye esetyenzisiweyo kumfanekiso oguqulwe kwikhowudi, ngoko ke ifayile kufuneka iphinde iguqulwe kwikhowudi 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.

Ndingaqhuba i JPEG Iicebo lokucoca ulwelo kwi JPEG 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; i pass iphakamisa 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 ujongene nokupapasha ifayili.

Ingaba kukho umda wobungakanani befayili kwi JPEG Iicebo lokucoca ulwelo?

Ewe: i-akhawunti ekhululekileyo iqhubekeka imifanekiso ukuya kwi-5 MB nganye, equka ngokucacileyo yonke ikhamera ye-JPG kunye nomfanekiso wefowuni; 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 JPEG Iicebo lokucoca ulwelo iya kunyusa ubunjani be JPEG 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 eziluncedo ngokwakho kunokuba ufumana okumiselweyo okumiselweyo.

Kutheni i Word inxuwa liququzelela JPEG Iicebo lokucoca ulwelo?

WORD.to ibekwe ngaphaya kweso siphelo esihleliweyo sobomi boxwebhu - i DOCX eyaqhubeka nokubhala, eyaqhubeka nohlobo kunye neyaqhubeka nokungabaza, phambi kokuba umntu ayile iphepha lokuthunyelwa. Iifayili ze-office ziibhokisi ezigcweleyo zosasazo lwabanye abantu - imifanekiso, umsindo ofakwe ngaphakathi, ifonti - ngoko umsebenzi abantu abafuna kuwo uhlala usebenza kumsebenzi abafunayo kuwo onke amaxwebhu. JPEG Iicebo lokucoca ulwelo inikezela ukulayisha, icaps ne-akhawunti ngokuguqulwa ngenxa yoko.

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

Umguquli kule ndawo uthatha amaxwebhu ngaphandle kwi PDF yokuthumela, kumfanekiso wokufaka nokubhala okucacileyo nantoni na efuna ukufunda ngokudwelisa, kwaye ibuyela umva kwindlela enye. Ukwenza oko emva koko kugcina i-original eguqulelweyo ejikeleze, eyiyo inxalenye ongayi kufumana kwakhona xa iphelelwe lixesha.

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

Iinjini zinikezelwa - uxwebhu olufanayo lwesixhobo sendlela, abasebenzi abafanayo, amaqondo afanayo. Oku Word site idibanisa kukubona okuqhubekayo ukuphuma kwifomati ye-Office kunye nokuba yintoni engayenzanga, eyiyo umbuzo ngamnye wale misebenzi ijikeleza ngoku. Iqala kwakhona kwinyani enye malunga nefomati le site ibizwa emva: uxwebhu luyi-zip ye-XML, ngoko utshintsho lombhalo luyabiza kwaye ubunzima buhlala bufana nomfanekiso ofakwe ngaphakathi.

Ndifuna i-akhawunti, kwaye ngaba kukho into egcinwa?

Akukho akhawunti, kwaye akukho nto igcinwayo: ulayisho lususwa kubasebenzi emva kokuba umsebenzi ugqibile, akukho nto ifundwayo kwaye akukho nto iqulathe isiqulathi seefayili. Iiakhawunti ezikhululekileyo zikhona kwimbali kunye nobungakanani beqela, hayi kwi access.