I-OCR PDF

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I-OCR PDF Imibuzo ebuzwa rhoqo

I-OCR PDF iguqula njani uvavanyo lube ngumbhalo?

Ngokucacileyo, iphepha ngalinye libonisa, liqhuba ngeTesseract umbhalo- wokwazisa udlula kwiilwimi ezingaphezu kwe100, kwaye amagama awaziwayo abhalwe kwakhona njengolwaleko lombhalo ongaziwayo obekwe ngaphezulu komfanekiso wokuqala - ngoko iphepha libonakala litshintshile kodwa lifunwa kwaye likhethwa. Iphepha lihlala libonakala ngokuchanekileyo njengoko yenze - umbhalo owaziwayo uhlala ubonakala ngaphaya komfanekiso ngoko ukukhangela nokukhetha kusebenza ngaphandle kokuguqula ukubonakala.

Iilwimi zeziphi ezikwaziyo ukuwaqonda?

Ingaphezulu kwe 100, kubandakanya i Latin, i Cyrillic, i Greek, i Arabic, i Hebrew, i Chinese, i Japanese, i Korean ne Indic iincwadi. Ukuxelela ukuba yeyiphi ulwimi ofuna ukulithemba kunyusa ngokucacileyo ukuthembeka ngaphezulu kokushiya ukuba kucace.

Ingaba ifomati yombhalo ibangela ukuba kucace ukuqonda?

I-PDF ilungisa iphepha: ifonti, i-vectors, imifanekiso ye-raster kunye nokumbhalo ohambelanayo utshixiwe ukuze wonke umfundi abone ubeko olufanayo. Indlela iphepha eligcinwayo igqiba ngayo ukuba ubungakanani bendawo yomfanekiso kunye nombala wenkcukacha i-identifier kufuneka isebenze nayo.

Nantoni na ekhethekileyo kwi PDF apha?

Ewe - i-PDF yimizobo yento, hayi umfanekiso wephepha, ngoko umbhalo uhlala ukhethwa kwaye i-vectors ihlala iqaqambileyo nokuba kwenzeka ntoni kwi-raster equlethe ngaphakathi. Ibangela ukuba oku kubonakala kukwazi ukukwazi.

Ichanekile kangakanani?

Kwi 300 DPI ecocekileyo yovavanyo lombhalo oshicilelweyo, iphezulu ngokwaneleyo ukuba iimpazamo zincinci kwaye zininzi kwigama eliqhelekileyo eliqhelekileyo. Umgangatho uphuma ngokuthe ngqo nge resolution ephantsi, i-skew, izithunzi kwikhamera yefowuni, ifonti eqhelekileyo nokubhala ngesandla - ukubhala ngesandla ngokukodwa akuyiyo into efunekayo.

Ndiya kuvavanya phi ukuze ndifumane iziphumo ezilungileyo?

300 DPI kwiskala elingwevu yindawo emnandi. Ezantsi kwe 200 DPI iimpawu zophawu ziqala ukulahleka; ngaphezulu kwe 400 DPI ufumana akukho nto kwaye uhlawulwe ngobungakanani befayile kunye nexesha lokuqhubekeka.

Yintoni endinokuyilayisha kwi OCR PDF?

Nayiphi na i-PDF eqhelekileyo, kubandakanya ezo ziveliswe ngumkhangeli, ngumqhubekekisi wobhalo okanye ngumqhubi woshicilelo. Iifayili ezinegama lokugqitha lomnini elithintela kuphela uhlela ziphathwa; iifayile ezifuna igama lokugqitha lomsebenzisi ukuvula aziphathwa, kwaye asizama ukuphula ukufihla.

Ingaba kukho umda wobungakanani befayili kwi OCR PDF?

Ewe: iakhawunti ekhululekileyo iqhubekeka amaxwebhu ukuya kwi 25 MB nganye, equka iinxelo ezininzi nekontraka kodwa hayi uxwebhu olude olushicilelwe kwi 600 DPI; Ghostscript ne qpdf zenza umsebenzi. Ii PDF ezishicilelwe zizinto eziqhelekileyo ezigqitha, kwaye ukucofa uxwebhu kuqala kuqhelekileyo kulungile ukubuyisela phantsi.

Ingaba i-OCR PDF iyakunyusa ubunjani bomxwebhu lwam lwe-PDF?

Umbhalo kunye nobugcisa be-vector zizinto kunokuba zii-pixels, ngoko zihlala ziqaqambileyo nakweyiphi na intshukumo yobungakanani nokuba kwenzeka ntoni na. Kuphela imifanekiso ekwi-raster efakwe ngaphakathi ingaphaya, kwaye kuphela ukuba umsebenzi okhethiweyo uphinde uphinde uthathe iisampulu zazo.

Ndingaphumeza i OCR PDF kuxwebhu oluninzi lwe PDF ngaxeshanye?

Ewe - thumela iqela kwaye liqhubekeke ngokuthe tye phantsi kweqela elinye lezicwangciso, eli lithuba lokwenza uqhubekeko loxwebhu apha kunokuba ucofe kwincwadi ye desktop.

Iibookmarks, ikhonkco kunye nefomu yendawo ziyaqhubeka?

Iimboniselo, ikhonkco langaphakathi neengcamango zigcinwa apho umsebenzi uvumela khona. Utyikityo oluzenzekelayo luyimfuneko: nayiphi na inguqu kwifayile kufuneka ifake utyikityo, kuba loo nto ithetha ukuba utyikityo luza kwenziwa.

Ingaba i-OCR PDF ibiza nantoni na?

Hayi. OCR PDF ikhululekile ngaphandle kwe akhawunti, kwaye akukho nto idityaniswe kuxwebhu. Ulayisho phezulu neziphumo zicinywa ngokuzenzekelayo malunga neyure ezi 24 emva komsebenzi, oshiya ixesha lokulayisha ezantsi iziphumo.