I-PDF ye-OCR

I-Free Online PDF OCR

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Ukulayisha

Indlela yoku-OCR PDF

1 Layisha phezulu i-PDF documents exhunywe; i-300 DPI ehlanzekile ye-greyscale inikeza isibonisi okuningi okusebenzela.

2 Uthi yini ukuthi linguliphi lingu lokulindeleka - ukubiza lingulimi kwenza ukuthi licabanga nge-margin ebanzi.

3 Sebenzisa ukukwazisa okudlulele; amagama abhalwe emuva njengezinga elibonakalayo elihlala phezu kwesithombe sekhasi elisemthethweni.

4 Layisha phezulu ifayela elitholakele PDF — libukeka lifana, kodwa manje ungasesha futhi ukhethe umbhalo kulo.

I-PDF ye-OCR Imibuzo Evame Ukubuzwa

Yini okufanele ngiyiskena ukuze ngithole imiphumela engcono kakhulu?

300 DPI kugreyscale yindawo emnandi. ngaphansi kuka-200 DPI, izimpawu ziqala ukulahleka; ngaphezu kuka-400 DPI, awutholanga lutho futhi ukhokhe ngesayizi yefayela nesikhathi sokusebenza.

Iyini ulwimi oluzokwazi ukuwaqonda?

Kungaphezu kuka-100, kufaka phakathi isiLatini, isiCyrillic, isiGreki, isiArabhu, isiHebhere, isiChinese, isiJapane, isiKorea kanye ne-Indian scripts. Ukutshela ukuthi iyiphi ulwimi olindeleke ukuthi ithuthukise ngokuqinile ukuthembeka ngaphezu kokushiya ukucabanga.

Ingabe ifomethi yomsuka ithinta ukuphawula?

I-PDF ilungisa ikhasi: amafonti, ama-vectors, izithombe ze-raster kanye nama-coordinates ombhalo abandayo ukuze wonke umfundi abone isitayela esifanayo. Indlela ikhasi eligcinwayo ngayo ikhetha ukuthi yini isixazululo kanye nombala wolwazi odinga ukusebenzela.

Ingabe kukhona okuthile okukhethekile ku PDF lapha?

Yebo — i-PDF iyi-graph yento, hhayi isithombe sekhasi, ngakho umbhalo uhlala ukhethwa futhi ama-vectors ahlala aqinile kungakhathaliseki ukuthi kwenzekani ku-raster content ngaphakathi kwayo. Kuthinta ukuthi yini okwaziyo angabona.

Ingabe OCR PDF izonciphisa ukhwalithi ye PDF documents yami?

Umbhalo kanye nemisebenzi yezandla ye-vector yizinto ezingaphezu kwama-pixels, ngakho zihlala ziqinile nganoma yisiphi isibonisi noma yini ekwenzekayo. Izithombe ze-raster ezifakwe kuphela ezingakwazi ukuncipha, futhi uma umsebenzi okhethiwe uphinde uphinde uzame.

Ingabe ngizosebenzisa OCR PDF ku PDF documents amaningi ngasikhathi sinye?

Yebo — thumela iset futhi baqhubekela phambili ngokufanayo ngaphansi kweset eyodwa yezinhlelo, okuwukuphela kwento eyenza ukuphuma kwedokhumende lapha ngaphezu kokuchofoza ku-desktop reader.

Ingabe amabhukwana, amakhonkco namafomu ahlala?

Izinhlamvu, izixhumanisi zangaphakathi kanye neziphawulo zigcinwa lapho umsebenzi uvumela khona. Izinhlamvu zedijithali ziyisinqumo: noma yikuphi ushintsho kwifayela kudinga ukuvimbela isiphawulo, ngoba lokho kulungile ukuthi yini isiphawulo.

Ingabe OCR PDF ibiza noma yini?

No. OCR PDF ikhululekile ngaphandle kwe-akhawunti, futhi akukho okuthunyelwe kumakhasi. Amadokhumende alayishwe phezulu asuswa kubasebenzi ngemuva komsebenzi oqediwe.

Kungani i WebM site i host OCR PDF?

WEBM.to ifakwe endaweni yebhokisi lewebhu evulekile ekhethiwe — VP9 noma AV1 ne-Opus audio, eqoshwe ngokusemthethweni nganoma iyiphi i-browser yamanje futhi edinga noma yikuphi ukufaka, ilayisense noma umdlali. Ividiyo iyisimo lapho izindiza ezijikelezayo ezingeziwe zibuhlungu kakhulu - amafayela akhulu futhi wonke ama-upload abiza amahora angempela. Ukusebenza OCR PDF ku-pipeline efanayo njenge-conversions kusho ukuthi u-upload owodwa ufaka umsebenzi wonke endaweni yokufaka olunye olunye olunye olunye.

Yini okufanele ngiyenze ngemiphumela uma i OCR PDF iqediwe?

Isiguquli kule webhusayithi sihamba ngevidiyo phakathi kweWebM, MP4, MKV, MOV neminye, noma sisusa umsindo wonke, ngaphandle kokufaka omunye. Ukulandelela ngendlela enjalo kubaluleke kakhulu kuvidiyo kunanoma kuphi: ngayinye iphinde ikhodwe yisigaba esisha, ngakho-ke uma kungekhona phakathi komthombo nefayela oshicilela, ibukeka ingcono.

Ingabe OCR PDF lapha ithuluzi elifanayo lezindawo ezifanayo ezisebenza?

Ama-engine ahlukaniswe — i-ffmpeg efana ne-x264, x265 ne-libvpx, abasebenza nabo, ama-limits afanayo. Okushiwo yi-WebM site kubukeka ku-container ne-codec: ukuthi ukuhlanganisa kudlala kuphi, odinga uku-encode futhi ongakwazi ukukopela ngokulula. Kuqala futhi kusuka kuqiniso elinye mayelana nefomethi le site ibizwa ngemuva: WebM yi-VP9 noma AV1 ne-Opus audio, okungukuthi iziphequluli ziyi-decode ngokusemthethweni kodwa okungukuthi amanye ama-desktop editors agcina e-transcode uma kufakwa.

Ngidinga i-akhawunti, futhi yini egcinwa?

Akukho akhawunti, futhi akukho okugcinwa: ividiyo elayishwe phezulu isuswa abasebenzayo ngemuva komsebenzi oqediwe, akukho okuboniswe futhi akukho okuhlobene. Ama-akhawunti amahhala akhona ngembali nenani leqembu, hhayi ukufinyelela.