Menene fasahar OCR?
Gane Haruffa Na gani (Turanci: Gane Haruffa Na gani, OCR) yana nufin tsarin tantancewa da gane fayilolin hoto na kayan rubutu don samun rubutu da bayanan shimfidawa.
Kamar gane hoto da fasahar hangen nesa na na'ura, ana kuma raba tsarin sarrafa fasahar OCR zuwa shigar da bayanai, kafin aiwatarwa, sarrafa tsaka-tsakin lokaci, sarrafawa bayan sarrafawa da tsarin fitarwa.
shiga
Don nau'ikan hoto daban-daban, akwai nau'ikan ajiya daban-daban da hanyoyin matsawa daban-daban.A halin yanzu, akwai OpenCV, CxImage, da sauransu.
Pre-aiki - binarization
Yawancin hotunan da kyamarori na dijital ke ɗauka a yau hotunan launi ne, waɗanda ke ɗauke da adadi mai yawa kuma ba su dace da fasahar OCR ba.
Don abubuwan da ke cikin hoton, za mu iya raba shi kawai zuwa gaba da baya.Domin sanya kwamfutar ta yi sauri da kuma yin ƙididdiga masu alaƙa da OCR, muna buƙatar fara aiwatar da hoton launi, ta yadda bayanan gaba da bayanan baya kawai su kasance a cikin hoton.Hakanan ana iya fahimtar binarization a matsayin "baƙar fata da fari".
image rage amo
Don hotuna daban-daban, ma'anar amo na iya zama daban-daban, kuma tsarin ƙididdigewa bisa ga halaye na amo ana kiransa rage amo.
karkatar da gyara
Domin masu amfani da shi na yau da kullun, lokacin daukar hotunan takardu, yana da wahala a yi harbi gaba daya daidai da daidaitawa a kwance da kuma a tsaye, don haka hotunan da aka dauka ba makawa za su karkata, wanda ke bukatar manhajar sarrafa hotuna ta gyara.
Tsarin tsaka-tsaki - nazarin shimfidar wuri
Tsarin rarraba hotunan daftarin aiki zuwa sakin layi da rassa ana kiransa nazarin shimfidar wuri.Saboda bambance-bambance da rikitarwa na ainihin takardu, wannan matakin har yanzu yana buƙatar inganta shi.
yankan hali
Saboda ƙarancin yanayin ɗaukar hoto da rubutu, haruffa galibi suna makale kuma ana karye alkaluma.Yin amfani da irin waɗannan hotuna kai tsaye don nazarin OCR zai iyakance aikin OCR sosai.Don haka, ana buƙatar rabuwar haruffa, wato, don raba haruffa daban-daban.
Gane hali
A farkon matakin, an yi amfani da madaidaicin samfuri, kuma a mataki na gaba, an fi amfani da cirewar fasalin.Saboda tasirin abubuwa kamar ƙaurawar rubutu, kaurin bugun jini, karyewar alkalami, mannewa, juyawa, da sauransu, wahalar cire fasalin yana tasiri sosai.
Maidowa shimfidar wuri
Mutane suna fatan cewa har yanzu rubutun da aka gane yana shirya kamar hoton takarda na asali, kuma ana fitar da sakin layi, matsayi, da tsari zuwa takaddun Word, takaddun PDF, da sauransu, kuma ana kiran wannan tsari maidowa layout.
bayan aiki
Dangane da dangantakar takamaiman mahallin harshe, ana gyara sakamakon tantancewa.
fitarwa
Fitar da haruffan da aka gane azaman rubutu a wani tsari.
Menene aikace-aikacen tashoshi na hannu bisa fasahar OCR?
Ta hanyar PDA na hannu wanda aka ɗora da software na gano halayen OCR, ana iya aiwatar da aikace-aikacen fage da yawa, kamar: sanin lambar lasisin mota, tantance lambar kwantena, sanin alamar naman sa da aka shigo da naman naman naman nama, ƙwarewar yanki na fasfo-wanda za'a iya karantawa, ƙwarewar karatun mita lantarki. , Karfe Coil Gane fesa haruffa.
Lokacin aikawa: Nuwamba-16-2022