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Aspose.OCR for Python via .NET 24.11.1 - Release Notes

This article contains a summary of recent changes, enhancements and bug fixes in Aspose.OCR for Python via .NET 24.11.1 (November 2024) release.

Deprecation warning

The release 24.3.0 updates the codes of some recognition languages to align with ISO 639-2 standard.
Starting with the release 24.6.0, use Country.NONE recognition setting to disable extraction of key details from passport images instead of Country.UNIVERSAL.
Starting with the release 24.10.0, Aspose.OCR for Python .NET introduces new content structure detection modes.

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: 2 months left.

What was changed

Key	Summary	Category
OCRPY‑76	Added an experimental OCR model for extracting mixed-language Cyrillic/English texts.	New feature
OCRPY‑76	Added support for recognizing mixed-language Telugu/English texts.	New feature
OCRPY‑76	Added support for recognizing mixed-language Tamil/English texts.	New feature
OCRPY‑76	Added support for recognizing mixed-language Kannada/English texts.	New feature
OCRPY‑76	Added universal recognition of Indic texts based on Devanagari script, including mixed Devanagari/English texts.	Enhancement
n/a	Added universal recognition of Chinese/English texts (language-agnostic).	Enhancement

Public API changes and backwards compatibility

This section lists all public API changes introduced in Aspose.OCR for Python via .NET 24.11.1 that may affect the code of existing applications.

Added public APIs:

No changes.

Updated public APIs:

The following public APIs have been changed in Aspose.OCR for Python via .NET 24.11.1 release:

`Language`

Compatibility: fully backward compatible. See details below.

Aspose.OCR for .NET can now extract texts in the following languages:

Value	Alphabet
`Language.CHINESE`	Universal model for all Chinese languages. Mixed-language Chinese/English texts also supported.
`Language.DEVANAGARI` `Language.Indic`	Universal model for all Indic texts based on Devanagari script, including mixed Devanagari/English texts.
`Language.EUROPEAN`	Mixed-language Cyrillic/English texts.
`Language.KAN`	Mixed-language Kannada/English texts.
`Language.TAM`	Mixed-language Tamil/English texts.
`Language.TEL`	Mixed-language Telugu/English texts.

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.

Chinese text recognition requires aspose-ocr-chinese-v2 OCR feature to be installed.
Indic text recognition requires aspose-ocr-hindi-v2 OCR feature to be installed.
Mixed-language Cyrillic/English text recognition requires aaspose-ocr-cyrillic-v2 OCR feature to be installed.
Kannada text recognition requires aspose-ocr-kannada-v1 OCR feature to be installed.
Tamil text recognition requires aspose-ocr-tamil-v1 OCR feature to be installed.
Telugu text recognition requires aspose-ocr-telugu-v1 OCR feature to be installed.

Removed public APIs:

No changes.

Examples

The code samples below illustrate the changes introduced in this release:

Mixed-language Cyrillic/English OCR

# Instantiate Aspose.OCR API
api = AsposeOcr()
# Add image to the recognition batch
input = OcrInput(InputType.SINGLE_IMAGE)
input.add("source.png")
# Recognize mixed Cyrillic/English text
recognitionSettings = RecognitionSettings()
recognitionSettings.language = Language.EUROPEAN
# Extract text from image
result = api.recognize(input, recognitionSettings)
# Print recognition result
print(result[0].recognition_text)
input("Press Enter to continue...")