Nws tsis yog tas mus extract cov ntawv nyeem los ntawm cov ntaub ntawv PDF uas siv cov qauv luam tawm. Feem ntau cov nplooj ntawv ntawm cov ntaub ntawv zoo li no yog cov ntsiab lus ntawm lawv daim ntawv luam tawm. Hloov cov ntaub ntawv zoo li cov ntaub ntawv kho kom raug, cov khoos kas tshwj xeeb nrog kev ua haujlwm Optical Character Recognition (OCR).
Xws li cov kev daws nyuaj nyuaj rau kev siv thiab, yog li ntawd, raug nqi ntau ntau. Yog tias koj xav paub cov ntawv nyeem nrog PDF tsis tu ncua, nws tau txais kev pom zoo los yuav qhov kev pab cuam tsim nyog. Rau tsawg zaus, nws yuav muaj ntau dua los siv cov kev pabcuam hauv online uas muaj kev khiav haujlwm zoo sib xws.
Yuav ua li cas kom pom cov ntawv nyeem los ntawm PDF hauv online
Tau kawg, OCR cov kev pabcuam hauv cov kev pabcuam hauv internet tau siv sijhawm ntau dua rau cov qauv kev ua haujlwm tag nrho. Tab sis koj tuaj yeem ua haujlwm nrog cov ntaub ntawv xws li dawb, lossis rau cov nqi them poob haujlwm. Qhov loj tshaj plaws yog hais tias lub web daim duab sau nrog lawv cov hauj lwm tseem ceeb, namely text paub, zoo li.
Txoj Cai 1: ABBYY FineReader Online
Qhov kev pabcuam kev txhim kho pabcuam yog ib tus thawjcoj hauv thaj chaw uas muaj cov ntaub ntawv kho qhov muag. ABBYY FineReader rau Windows thiab Mac yog ib qho kev daws teeb meem rau kev hloov PDF rau cov ntawv nyeem thiab ua haujlwm nrog nws.
Lub web counterpart ntawm qhov kev pab cuam, ntawm chav kawm, yog tsis zoo rau nws nyob rau hauv functionality. Txawm li cas los xij, qhov kev pab cuam tuaj yeem pom cov ntawv luam los ntawm kev soj ntsuam thiab cov duab hauv ntau tshaj 190 hom lus. Kev txhawb cov ntaub ntawv PDF rau cov ntaub ntawv Lo Lus, Excel, thiab lwm yam.
ABBYY FineReader Online pab online
- Ua ntej koj pib ua hauj lwm nrog lub cuab tam, tsim ib tus as khauj ntawm lub vev xaib los yog nkag mus siv koj tus Facebook, Google lossis Microsoft account.
Mus rau qhov login login window, nias ntawm lub pob. "ID nkag mus" nyob rau hauv daim ntawv qhia zaub mov saum toj kawg nkaus. - Ib zaug hauv, xa cov ntaub ntawv PDF rau hauv FineReader siv lub pob "Upload Files".
Tom qab ntawd nias "Xaiv phab zauv" thiab qhia meej txog qhov kev ncua sij hawm rau cov ntawv nyeem. - Tom ntej no, xaiv cov lus tam sim no hauv daim ntawv, qhov hom ntawm cov ntaub ntawv uas tshwm sim thiab nias rau ntawm lub pob "Paub".
- Tom qab ua tiav, lub caij nyoog uas nyob ntawm qhov loj ntawm daim ntawv me me, koj tuaj yeem download cov ntaub ntawv tiav nrog cov ntaub ntawv cov ntaub ntawv tsuas yog txhaj rau nws lub npe.
Los yog xa nws mus rau ib qho ntawm cov kev pabcaus huab muaj.
Cov kev pab cuam yog qhov txawv, tej zaum, los ntawm cov feem ntau yog cov ntawv nyeem kev paub txog algorithms hauv cov dluab thiab cov ntaub ntawv PDF. Tab sis, hmoov tsis, nws siv dawb yog siv rau tsib nplooj ua haujlwm txhua lub hlis. Ua haujlwm nrog ntau cov ntaub ntawv, koj yuav tsum tau yuav ib xyoos ib zaug.
Txawm li cas los xij, yog tias OCR kev ua haujlwm tsis tsim nyog, ABBYY FineReader Online yog ib qho kev xaiv zoo rau kev sau cov ntawv luam tawm cov ntaub ntawv PDF.
Txoj kev 2: Free Online OCR
Kev pab cuam yooj yim thiab yooj yim rau digitizing text. Yog tias tsis tas yuav tsum tau rau npe, qhov chaw no yuav cia koj paub 15 daim ntawv PDF tag nrho ib teev. Free Online OCR ua hauj lwm nrog cov ntaub ntawv hauv 46 yam lus thiab tsis tso cai kev txhawb nqa peb cov ntawv luam export tawm - DOCX, XLSX thiab TXT.
Thaum sau npe, tus neeg siv tau ua cov ntaub ntawv ntau phab, tiam sis tus xov tooj dawb ntawm cov nplooj ntawv no tsuas yog siv txog 50 units.
Dawb Online OCR kev pabcuam online
- Kom paub txog cov ntawv nyeem los ntawm PDF raws li "qhua", tsis muaj kev tso cai ntawm qhov chaw, siv daim ntawv tsim nyog rau ntawm nplooj ntawv ntawm lub vev xaib.
Xaiv cov ntaub ntawv yam siv khawm "Cov Ntaub Ntawv", qhia meej txog cov lus tseem ceeb ntawm phau ntawv, cov lus tso tawm, ces tos rau cov ntaub ntawv xa mus rau thiab nias "Hloov siab". - Qhov kawg ntawm tus txheej txheem digitization, nias "Download tau cov ntaub ntawv tawm" kom txuag tau daim ntawv tiav nrog cov ntawv nyeem hauv lub computer.
Rau cov neeg siv kev tso cai, qhov sib lawv liag ntawm kev ua haujlwm yog txawv me ntsis.
- Siv lub pob "Kev Sau Npe" los yog "ID nkag mus" nyob rau hauv daim ntawv qhia zaub mov saum toj kawg nkaus, raws li, tsim ib qho nyiaj dawb hauv internet OCR lossis nkag mus rau hauv.
- Tom qab kev pom zoo hauv lub vaj huam sib luag, tuav tus yuam sij "CTRL", xaiv li ob hom lus ntawm cov ntaub ntawv los ntawm daim ntawv teev muaj.
- Txheeb xyuas cov kev xaiv ntxiv rau kev sau cov ntawv luam ntawm PDF thiab nias lub khawm. "Xaiv Cov Ntaub Ntawv" kom thauj khoom rau hauv qhov kev pab cuam.
Tom qab ntawd, pib kev paub, nyem "Hloov siab". - Tom qab ua cov ntaub ntawv, nias ntawm qhov txuas nrog lub npe ntawm cov ntaub ntawv tso zis rau hauv cov kab sab.
Qhov txiaj ntsim zoo yuav raug muab ceev cia rau hauv koj lub computer.
Yog tias koj xav tau cov ntawv luam los ntawm cov ntawv me me PDF, koj tuaj yeem muaj kev nyab xeeb chaw siv tus cuab yeej tau piav qhia saum toj no. Ua haujlwm nrog cov ntaub ntawv loj, koj yuav tsum tau yuav ntxiv cov cim hauv Online Dawb OCR lossis chaw ua haujlwm rau lwm txoj hauv kev.
Txoj Cai 3: NewOCR
Kev pub dawb OCR-kev pabcuam uas tso cai rau koj los muab cov ntawv luam tawm los ntawm cov duab nraaj thiab electronic cov ntaub ntawv xws li DjVu thiab PDF. Cov kev pab tsis txwv cov kev txwv ntawm tus loj thiab cov lej ntawm cov ntaub ntawv uas pom tau los, tsis tas yuav sau npe, thiab muaj ntau yam kev ua haujlwm.
NewOCR txhawb 106 yam lus thiab muaj peev xwm hais tau lis txawm tias cov ntaub ntawv qis qis dua. Nws yog tau manually xaiv cheeb tsam rau cov ntawv nyeem paub hauv cov nplooj ntawv.
Kev pab hauv online NewOCR
- Yog li, koj tuaj yeem pib ua hauj lwm nrog cov kev pab tam sim ntawd, tsis tas yuav tau ua cov kev ua tsis tsim nyog.
Ncaj nraim rau ntawm phab ntawv tseem ceeb yog ib daim ntawv rau kev xa cov ntaub ntawv mus rau lub tsev kawm ntawv. Kom xa cov ntaub ntawv mus rau NewOCR, siv lub pob "Xaiv cov ntaub ntawv" hauv seem "Xaiv koj cov ntaub ntawv". Ces tom teb "Kev paub lus (s)" xaiv ib lossis ntau hom lus ntawm cov ntaub ntawv tau los, ces nias "Upload + OCR". - Teem koj qhov kev paub ntau dua, xaiv cov nplooj ntawv xav kom rho tawm cov ntawv, thiab nias lub khawm. "OCR".
- Scroll cia me ntsis thiab nrhiav lub pob. Download tau.
Nias rau ntawm nws thiab hauv daim ntawv teev npe cia xaiv xaiv hom ntawv yuav tsum tau xa tawm. Tom qab ntawd, cov ntaub ntawv tiav nrog cov ntaub ntawv rho tawm yuav raug muab xa mus rau koj lub computer.
Lub cuab yeej yoojyim thiab pom cov cim txhua yam hauv kev ua tau zoo. Txawm li cas los xij, tus txheej txheem ntawm txhua nplooj ntawv ntawm cov ntaub ntawv PDF yuav tsum yog pib ntawm nws tus kheej thiab tso tawm kom pom hauv cov ntaub ntawv cais. Koj tuaj yeem, tau kawg, luam daim ntawv los ntawm cov ntawv sau cia thiab ua ke nrog lwm tus.
Txawm li cas los xij, muab cov lus hais saum toj no, ntau ntau cov ntawv siv NewOCR yog qhov nyuaj heev rau extract. Nrog tib cov ntaub ntawv xa tawm me me "nrog rau kev sib tw."
Txoj kev 4: OCR.Space
Ib qho yooj yim thiab to taub txog kev digitizing ntawv tso cai rau koj kom pom cov ntaub ntawv PDF thiab tso tawm cov lus hauv TXT cov ntaub ntawv. Nws tsis muaj kev txwv rau ntawm cov nplooj ntawv. Tsuas pub tsuas yog tias qhov luaj li cas ntawm daim ntawv thov yuav tsum tsis pub tshaj 5 megabytes.
OCR.Space kev pabcuam hauv online
- Sau npe mus ua haujlwm nrog lub cuab yeej tsis tsim nyog.
Cia li nias ntawm qhov link saum toj no thiab muab cov ntawv PDF xa tuaj rau hauv lub vev xaib los ntawm koj lub computer siv lub pob "Xaiv cov ntaub ntawv" los yog los ntawm lub network - los ntawm kev siv. - Hauv daim ntawv xaiv dropdown "Xaiv OCR lus" xaiv cov lus ntawm daim ntawv xa tuaj.
Ces pib cov txheej txheem kev paub txog cov ntawv nyeem los ntawm txhaj khawm. "Pib OCR!". - Tom kawg ntawm cov ntaub ntawv ua tiav, pom qhov tshwm sim hauv lub "OCR'ed Tau" thiab nias Download taumus download tau cov ntaub ntawv TXT tas.
Yog tias koj tsuas xav muab cov ntawv luam tawm los ntawm PDF thiab qhov kawg formatting tsis tseem ceeb rau txhua qhov, OCR.Space yog qhov kev xaiv zoo. Tsuas yog cov ntaub ntawv yuav tsum yog "monolingual", txij thaum paub txog ob lossis ntau hom lus nyob rau tib lub sij hawm nyob rau hauv qhov kev pab cuam tsis muab.
Saib kuj: Dawb analogues FineReader
Kev ntsuam xyuas cov cuab yeej hauv internet uas tau muab teev rau hauv tsab xov xwm, nws yuav tsum raug sau tseg tias FineReader Online ntawm ABBYY ua haujlwm rau OCR kev ua haujlwm feem ntau raug thiab raug. Yog tias qhov tseeb tshaj plaws ntawm phau ntawv sau cia yog ib qho tseem ceeb rau koj, nws yog qhov zoo tshaj rau koj xav txog qhov kev xaiv no. Tab sis them rau nws, feem ntau yuav, kuj yuav tsum tau.
Yog tias koj xav digitize cov ntaub ntawv me me thiab koj npaj kho cov teeb meem ntawm qhov kev pabcuam koj tus kheej, nws yuav tsum siv cov NewOCR, OCR.Space lossis Online Online OCR.
