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Recognition languages
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To recognize text in certain languages, you must install additional recognition models:
- Cyrillic text recognition: aspose-ocr-cyrillic-v1
- Chinese text recognition: aspose-ocr-chinese-v2
- Indic (Devanagari) text recognition: aspose-ocr-hindi-v2
- Arabic text recognition: aspose-ocr-arabic-v1
- Persian (Farsi) text recognition: aspose-ocr-arabic-v1
- Uyghur text recognition: aspose-ocr-arabic-v1
- Urdu text recognition: aspose-ocr-arabic-v1
- Japanese text recognition: aspose-ocr-japanese-v1
- Korean text recognition: aspose-ocr-korean-v1
- Kannada text recognition: aspose-ocr-kannada-v1
- Tamil text recognition: aspose-ocr-tamil-v1
- Telugu text recognition: aspose-ocr-telugu-v1
- Mixed-language Cyrillic/English recognition: aaspose-ocr-cyrillic-v2
- Mongolian text recognition: aspose-ocr-cyrillic-v1
Aspose.OCR for .NET can recognize a text in a large number of languages and all popular writing scripts, including texts with mixed languages.
To specify a language for recognition, provide one of the following values in Language property of recognition settings:
Mixed-language Cyrillic/English text recognition is experimental. If you are absolutely sure about the text language (for example, Ukrainian), it is recommended to specify the language directly.
| Value | Alphabet |
|---|---|
Aspose.OCR.Language.ExtLatin |
Auto-detect all supported Latin characters and diacritics |
Aspose.OCR.Language.Cyrillic |
Auto-detect all supported Cyrillic characters |
Aspose.OCR.Language.Chinese |
All Chinese languages. Mixed-language Chinese/English texts also supported. |
Aspose.OCR.Language.DevanagariAspose.OCR.Language.Indic |
Indic texts based on Devanagari script, including mixed Devanagari/English texts. |
Aspose.OCR.Language.European |
Mixed-language Cyrillic/English texts (experimental). |
Aspose.OCR.Language.Afr |
Afrikaans |
Aspose.OCR.Language.Aln |
Albanian |
Aspose.OCR.Language.Ara |
Arabic (mixed texts in Arabic and English are also supported) |
Aspose.OCR.Language.Awa |
Awadhi |
Aspose.OCR.Language.Azb |
Azerbaijani (Azeri) |
Aspose.OCR.Language.Bcl |
Bikol |
Aspose.OCR.Language.Bel |
Belarusan (Belorussian) |
Aspose.OCR.Language.Bem |
Bemba (Chibemba) |
Aspose.OCR.Language.Bew |
Betawi |
Aspose.OCR.Language.Bgc |
Haryanvi |
Aspose.OCR.Language.Bho |
Bhojpuri |
Aspose.OCR.Language.Bhr |
Malagasy |
Aspose.OCR.Language.Bjj |
Kanauji |
Aspose.OCR.Language.Bos |
Bosnian |
Aspose.OCR.Language.Bul |
Bulgarian |
Aspose.OCR.Language.Cat |
Catalan |
Aspose.OCR.Language.Ccx |
Zhuang |
Aspose.OCR.Language.Cdo |
Min Dong |
Aspose.OCR.Language.Ceb |
Cebuano |
Aspose.OCR.Language.Ces |
Czech |
Aspose.OCR.Language.Che |
Chechen |
Aspose.OCR.Language.Cmn |
Mandarin (Chinese) |
Aspose.OCR.Language.Cpx |
Pu-Xian |
Aspose.OCR.Language.Dan |
Danish |
Aspose.OCR.Language.Deu |
German |
Aspose.OCR.Language.Dhd |
Dhundari |
Aspose.OCR.Language.Diq |
Dimli |
Aspose.OCR.Language.Doc |
Dong |
Aspose.OCR.Language.Eng |
English |
Aspose.OCR.Language.Est |
Estonian |
Aspose.OCR.Language.Fin |
Finnish |
Aspose.OCR.Language.Fra |
French |
Aspose.OCR.Language.Gan |
Gan |
Aspose.OCR.Language.Gax |
Oromo |
Aspose.OCR.Language.Gbm |
Garhwali |
Aspose.OCR.Language.Glg |
Galician |
Aspose.OCR.Language.Glk |
Gilaki |
Aspose.OCR.Language.Guz |
Gusii |
Aspose.OCR.Language.Hak |
Hakka |
Aspose.OCR.Language.Hau |
Hausa |
Aspose.OCR.Language.Hbs |
Serbo-Croatian (Latin) |
Aspose.OCR.Language.Hil |
Hiligaynon |
Aspose.OCR.Language.Hin |
Hindi |
Aspose.OCR.Language.Hmn |
Hmong |
Aspose.OCR.Language.Hne |
Chattisgarhi (Laria, Khaltahi) |
Aspose.OCR.Language.Hrv |
Croatian |
Aspose.OCR.Language.Hsn |
Xiang |
Aspose.OCR.Language.Hun |
Hungarian (Magyar) |
Aspose.OCR.Language.Ilo |
Ilocano |
Aspose.OCR.Language.Ind |
Indonesian |
Aspose.OCR.Language.Ita |
Italian |
Aspose.OCR.Language.Jpn |
Japanese (mixed texts in Japanese and English are also supported) |
Aspose.OCR.Language.Kan |
Mixed-language Kannada/English texts. |
Aspose.OCR.Language.Kaz |
Kazakh |
Aspose.OCR.Language.Kbd |
Kabardian |
Aspose.OCR.Language.Kfy |
Kumauni |
Aspose.OCR.Language.Kin |
Rwanda |
Aspose.OCR.Language.Kln |
Nandi |
Aspose.OCR.Language.Kmr |
Kurdish (Kurmanji) |
Aspose.OCR.Language.Knc |
Kanuri |
Aspose.OCR.Language.Knn |
Konkani |
Aspose.OCR.Language.Kon |
Kikongo |
Aspose.OCR.Language.Kor |
Korean (mixed texts in Korean and English are also supported) |
Aspose.OCR.Language.Latin |
Latin |
Aspose.OCR.Language.Lav |
Latvian |
Aspose.OCR.Language.Lit |
Lithuanian |
Aspose.OCR.Language.Lmn |
Lamani (Lambadi) |
Aspose.OCR.Language.Lnc |
Occitan |
Aspose.OCR.Language.Luo |
Luo |
Aspose.OCR.Language.Mag |
Magahi |
Aspose.OCR.Language.Mai |
Maithili |
Aspose.OCR.Language.Mak |
Makassar (Makasar) |
Aspose.OCR.Language.Mar |
Marathi |
Aspose.OCR.Language.Mer |
Meru |
Aspose.OCR.Language.Min |
Minangkabau |
Aspose.OCR.Language.Mly |
Malay (Melayu) |
Aspose.OCR.Language.Mnp |
Min Bei |
Aspose.OCR.Language.Mon |
Mongolian |
Aspose.OCR.Language.Mtq |
Muong |
Aspose.OCR.Language.Mtr |
Mewari |
Aspose.OCR.Language.Mui |
Musi |
Aspose.OCR.Language.Mup |
Malvi |
Aspose.OCR.Language.Nan |
Min Nan |
Aspose.OCR.Language.Nbl |
Ndebele |
Aspose.OCR.Language.Nds |
Low German |
Aspose.OCR.Language.Nep |
Nepali |
Aspose.OCR.Language.Nld |
Dutch |
Aspose.OCR.Language.Nor |
Norwegian |
Aspose.OCR.Language.Nso |
Sotho (Northern) |
Aspose.OCR.Language.Nya |
Chichewa (Chewa, Nyanja) |
Aspose.OCR.Language.Pag |
Pangasinan |
Aspose.OCR.Language.Pam |
Kapampangan |
Aspose.OCR.Language.Pcc |
Bouyei (Buyi, Giáy) |
Aspose.OCR.Language.Pes |
Persian (Farsi); mixed texts in Persian and English are also supported |
Aspose.OCR.Language.Plm |
Palembang |
Aspose.OCR.Language.Pol |
Polish |
Aspose.OCR.Language.Por |
Portuguese |
Aspose.OCR.Language.Quc |
K’iche' |
Aspose.OCR.Language.Qxa |
Quechua |
Aspose.OCR.Language.Rjb |
Rajbanshi |
Aspose.OCR.Language.Ron |
Romanian |
Aspose.OCR.Language.Ruf |
Luguru |
Aspose.OCR.Language.Rus |
Russian |
Aspose.OCR.Language.Rwr |
Marwari |
Aspose.OCR.Language.Sas |
Sasak |
Aspose.OCR.Language.Slk |
Slovak |
Aspose.OCR.Language.Slv |
Slovene (Slovenian) |
Aspose.OCR.Language.Sna |
Shona (Karanga) |
Aspose.OCR.Language.Som |
Somali |
Aspose.OCR.Language.Sot |
Sotho (Southern) |
Aspose.OCR.Language.Spa |
Spanish |
Aspose.OCR.Language.Srp |
Serbian (Cyrillic) |
Aspose.OCR.Language.Srr |
Serer-Sine |
Aspose.OCR.Language.Ssw |
Swati (Swazi) |
Aspose.OCR.Language.Suk |
Sukuma |
Aspose.OCR.Language.Sun |
Sundanese (Sunda) |
Aspose.OCR.Language.Swe |
Swedish |
Aspose.OCR.Language.Swh |
Swahili |
Aspose.OCR.Language.Tam |
Mixed-language Tamil/English texts. |
Aspose.OCR.Language.Tel |
Mixed-language Telugu/English texts. |
Aspose.OCR.Language.Tgl |
Tagalog (Pilipino) |
Aspose.OCR.Language.Toi |
Tonga |
Aspose.OCR.Language.Tsn |
Tswana |
Aspose.OCR.Language.Tso |
Tsonga |
Aspose.OCR.Language.Tuk |
Turkmen |
Aspose.OCR.Language.Tum |
Tumbuka |
Aspose.OCR.Language.Tur |
Turkish |
Aspose.OCR.Language.Uig |
Uyghur; mixed texts in Uyghur and English are also supported |
Aspose.OCR.Language.Ukr |
Ukrainian |
Aspose.OCR.Language.Umb |
Umbundu |
Aspose.OCR.Language.Urd |
Urdu; mixed texts in Urdu and English are also supported |
Aspose.OCR.Language.Vie |
Vietnamese |
Aspose.OCR.Language.Vmw |
Makua (Makhuwa) |
Aspose.OCR.Language.Wal |
Wolaytta |
Aspose.OCR.Language.War |
Waray-Waray |
Aspose.OCR.Language.Wbr |
Wagdi |
Aspose.OCR.Language.Wtm |
Mewati |
Aspose.OCR.Language.Wuu |
Wu (Changzhou) |
Aspose.OCR.Language.Xho |
Xhosa |
Aspose.OCR.Language.Yao |
Yao |
Aspose.OCR.Language.Yor |
Yoruba |
Aspose.OCR.Language.Yue |
Cantonese |
Aspose.OCR.Language.Zul |
Zulu |
If this parameter is omitted, the OCR engine will assume that the text is written in extended Latin.
Make sure you specify the correct language for the image. If you try to recognize Cyrillic text using
Aspose.OCR.Language.Eng, only the characters that look the same in both languages (for example, с and c) will be correctly recognized. Other characters will be replaced with similar-looking alternatives.
Example
The following code sample demonstrates how to specify the recognition language:
Aspose.OCR.AsposeOcr recognitionEngine = new Aspose.OCR.AsposeOcr();
// Add an image to OcrInput object
Aspose.OCR.OcrInput input = new Aspose.OCR.OcrInput(Aspose.OCR.InputType.SingleImage);
input.Add("source.png");
// Recognize Ukrainian text
Aspose.OCR.RecognitionSettings recognitionSettings = new Aspose.OCR.RecognitionSettings();
recognitionSettings.Language = Aspose.OCR.Language.Ukr;
// Recognize image
Aspose.OCR.OcrOutput results = recognitionEngine.Recognize(input, recognitionSettings);
foreach(Aspose.OCR.RecognitionResult result in results)
{
Console.WriteLine(result.RecognitionText);
}