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Aspose.OCR for C++ provides the option to specify the areas for recognizing text in pixels. For this, the API provides two methods, page_rect and page_rect_abc. The page_rect method performs OCR operation on the specified area of the image and the page_rect_abc method allows to additionally provide allowed characters. The following code snippets demonstrate the use of the page_rect and page_rect_abc methods.

Perform OCR on the selected area of an image

Perform OCR on the selected area of an image with allowed characters

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