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Aspose.OCR for .NET 24.3.0 - Release Notes
This article contains a summary of recent changes, enhancements and bug fixes in Aspose.OCR for .NET 24.3.0 (March 2024) release.
GPU version: 23.10.1
Deprecation warning
The release 24.3.0 updates the codes of some recognition languages to align with ISO 639-2 standard.
To make it easier to upgrade your code, we have kept all legacy values, but marked them as deprecated. All of your existing code will continue to work and you can even make minor updates to it, but be aware that all deprecated language codes are scheduled to be removed in release 25.1.0 (January 2025).
Time to deprecation: 9 months left.
What was changed
| Key | Summary | Category |
|---|---|---|
| OCRNET‑801 | The library can now extract texts in 133 languages and automatically detect Extended Latin and Cyrillic texts without specifying the language. | Enhancement |
| OCRNET‑801 | Some legacy language codes were deprecated. See details in Deprecated APIs section. | Enhancement |
Public API changes and backwards compatibility
This section lists all public API changes introduced in Aspose.OCR for .NET 24.3.0 that may affect the code of existing applications.
Added public APIs:
No changes.
Updated public APIs:
The following public APIs have been introduced in this release:
Aspose.OCR.Language
Aspose.OCR for .NET greatly expands the number of languages supported. We have added a total of 135 languages based on Latin, Cyrillic, Chinese and Indic scripts:
| Value | Alphabet |
|---|---|
Aspose.OCR.Language.ExtLatin | All supported Latin characters and diacritics (auto-detect) |
Aspose.OCR.Language.Cyrillic | All supported Cyrillic characters (auto-detect) |
Aspose.OCR.Language.Afr | Afrikaans |
Aspose.OCR.Language.Aln | Albanian |
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.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.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.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.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.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.Ukr | Ukrainian |
Aspose.OCR.Language.Umb | Umbundu |
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 |
Removed public APIs:
No changes.
Deprecated APIs
The following public APIs have been marked as deprecated and will be removed in 25.1.0 (January 2025) release:
Aspose.OCR.Language.None
Use Aspose.OCR.Language.ExtLatin to automatically detect any Latin characters and diacritics.
Aspose.OCR.Language.Chi
Use one of the following languages depending on the actual language of the text:
Aspose.OCR.Language.Cmn(Mandarin)Aspose.OCR.Language.Wuu(Wu)Aspose.OCR.Language.Yue(Cantonese)Aspose.OCR.Language.Nan(Min Nan)Aspose.OCR.Language.Hsn(Xiang)Aspose.OCR.Language.Hak(Hakka)Aspose.OCR.Language.Gan(Gan)
Aspose.OCR.Language.Cze
Use Aspose.OCR.Language.Ces for recognizing Czech texts.
Aspose.OCR.Language.Dum
Use Aspose.OCR.Language.Nld for recognizing Dutch texts.
Aspose.OCR.Language.Srp_hrv
Use Aspose.OCR.Language.Hbs for recognizing Serbo-Croatian texts (based on Latin alphabet).
Aspose.OCR.Language.Rum
Use Aspose.OCR.Language.Ron for recognizing Romanian texts.
Examples
The code samples below illustrate the changes introduced in this release:
Auto-detect Extended Latin characters
// Initialize Aspose.OCR for .NET recognition API
Aspose.OCR.AsposeOcr recognitionEngine = new Aspose.OCR.AsposeOcr();
// Add image
Aspose.OCR.OcrInput input = new Aspose.OCR.OcrInput(Aspose.OCR.InputType.SingleImage);
input.Add("source.png");
// Set recognition language
Aspose.OCR.RecognitionSettings recognitionSettings = new Aspose.OCR.RecognitionSettings();
recognitionSettings.Language = Aspose.OCR.Language.ExtLatin;
// Recognize image
List<Aspose.OCR.RecognitionResult> results = recognitionEngine.Recognize(input, recognitionSettings);
Console.WriteLine(results[0].RecognitionText);