Brief:

This project (POC) consists of how to implement Tesseract OCR engine in Spring boot.

Medium Link: https://medium.com/@fatih_yildizli/tesseract-ocr-implementation-in-net-core-spring-boot-6f876a5d4ae5

API Endpoint: localhost:1907/api/ocr

Example Usage

Request (Form-data) :

DestinationLanguage: Nationality Prefix { TR,ENG,ARA ... }

Image: Select postman UI file type

Tesseract Supported Language This project supports only english and turkish language. If you want different language, You must download traineddata from below list.

Language List

Lang Code	Language	4.0 traineddata
afr	Afrikaans	afr.traineddata
amh	Amharic	amh.traineddata
ara	Arabic	ara.traineddata
asm	Assamese	asm.traineddata
aze	Azerbaijani	aze.traineddata
aze_cyrl	Azerbaijani - Cyrillic	aze_cyrl.traineddata
bel	Belarusian	bel.traineddata
ben	Bengali	ben.traineddata
bod	Tibetan	bod.traineddata
bos	Bosnian	bos.traineddata
bul	Bulgarian	bul.traineddata
cat	Catalan; Valencian	cat.traineddata
ceb	Cebuano	ceb.traineddata
ces	Czech	ces.traineddata
chi_sim	Chinese - Simplified	chi_sim.traineddata
chi_tra	Chinese - Traditional	chi_tra.traineddata
chr	Cherokee	chr.traineddata
cym	Welsh	cym.traineddata
dan	Danish	dan.traineddata
deu	German	deu.traineddata
dzo	Dzongkha	dzo.traineddata
ell	Greek, Modern (1453-)	ell.traineddata
eng	English	eng.traineddata
enm	English, Middle (1100-1500)	enm.traineddata
epo	Esperanto	epo.traineddata
est	Estonian	est.traineddata
eus	Basque	eus.traineddata
fas	Persian	fas.traineddata
fin	Finnish	fin.traineddata
fra	French	fra.traineddata
frk	German Fraktur	frk.traineddata
frm	French, Middle (ca. 1400-1600)	frm.traineddata
gle	Irish	gle.traineddata
glg	Galician	glg.traineddata
grc	Greek, Ancient (-1453)	grc.traineddata
guj	Gujarati	guj.traineddata
hat	Haitian; Haitian Creole	hat.traineddata
heb	Hebrew	heb.traineddata
hin	Hindi	hin.traineddata
hrv	Croatian	hrv.traineddata
hun	Hungarian	hun.traineddata
iku	Inuktitut	iku.traineddata
ind	Indonesian	ind.traineddata
isl	Icelandic	isl.traineddata
ita	Italian	ita.traineddata
ita_old	Italian - Old	ita_old.traineddata
jav	Javanese	jav.traineddata
jpn	Japanese	jpn.traineddata
kan	Kannada	kan.traineddata
kat	Georgian	kat.traineddata
kat_old	Georgian - Old	kat_old.traineddata
kaz	Kazakh	kaz.traineddata
khm	Central Khmer	khm.traineddata
kir	Kirghiz; Kyrgyz	kir.traineddata
kor	Korean	kor.traineddata
kur	Kurdish	kur.traineddata
lao	Lao	lao.traineddata
lat	Latin	lat.traineddata
lav	Latvian	lav.traineddata
lit	Lithuanian	lit.traineddata
mal	Malayalam	mal.traineddata
mar	Marathi	mar.traineddata
mkd	Macedonian	mkd.traineddata
mlt	Maltese	mlt.traineddata
msa	Malay	msa.traineddata
mya	Burmese	mya.traineddata
nep	Nepali	nep.traineddata
nld	Dutch; Flemish	nld.traineddata
nor	Norwegian	nor.traineddata
ori	Oriya	ori.traineddata
pan	Panjabi; Punjabi	pan.traineddata
pol	Polish	pol.traineddata
por	Portuguese	por.traineddata
pus	Pushto; Pashto	pus.traineddata
ron	Romanian; Moldavian; Moldovan	ron.traineddata
rus	Russian	rus.traineddata
san	Sanskrit	san.traineddata
sin	Sinhala; Sinhalese	sin.traineddata
slk	Slovak	slk.traineddata
slv	Slovenian	slv.traineddata
spa	Spanish; Castilian	spa.traineddata
spa_old	Spanish; Castilian - Old	spa_old.traineddata
sqi	Albanian	sqi.traineddata
srp	Serbian	srp.traineddata
srp_latn	Serbian - Latin	srp_latn.traineddata
swa	Swahili	swa.traineddata
swe	Swedish	swe.traineddata
syr	Syriac	syr.traineddata
tam	Tamil	tam.traineddata
tel	Telugu	tel.traineddata
tgk	Tajik	tgk.traineddata
tgl	Tagalog	tgl.traineddata
tha	Thai	tha.traineddata
tir	Tigrinya	tir.traineddata
tur	Turkish	tur.traineddata
uig	Uighur; Uyghur	uig.traineddata
ukr	Ukrainian	ukr.traineddata
urd	Urdu	urd.traineddata
uzb	Uzbek	uzb.traineddata
uzb_cyrl	Uzbek - Cyrillic	uzb_cyrl.traineddata
vie	Vietnamese	vie.traineddata
yid	Yiddish	yid.traineddata

Libraries:

https://github.com/tesseract-ocr/tesseract https://github.com/tesseract-ocr/tessdata