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If so you can download any of the below versions for testing. The product will function as normal except for an evaluation limitation. At the time of purchase we provide a license file via email that will allow the product to work in its full capacity. If you would also like an evaluation license to test without any restrictions for 30 days, please follow the directions provided here.

Download C++ Library for Optical Character Recognition (OCR)

Open NuGet Package Manager within the Microsoft Visual Studio®, search for Aspose.OCR.Cpp and install. You may also use the following command within the Package Manager Console. For the detailed instructions please visit the Installation documentation page.

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Nuget Nuget

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Why download Aspose.OCR for C++?

Aspose.OCR for C++ is a standalone OCR API that enhances your C++ apps to perform the OCR operation on JPEG, PNG, & BMP images for extraction of English content.

Image OCR API Features

  • Recognize characters from images.
  • Calculate the skew angle of images.
  • Currently, it supports the English language.
  • Auto-align image and autodetect text areas.
  • Get a single line and recognize it.

Read Image Formats for OCR

Raster Formats: JPEG, BMP ( 32bit and 16bit images are not supported), PNG

Supported Charset for Recognition

EN

Pre-requisites

Aspose OCR library requires onnxruntime.dll in the system path.

Evaluation Version Limitation

The evaluation version of Aspose.OCR for C++ limits the number of characters extracted from an image to 300.



Direct Download

Aspose.OCR.Cpp-GPU.22.11.0

Recognition of curved images

Added: 20/11/2022 Downloads:

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File Size: 172.04MB

Aspose.OCR.Cpp-22.11.0

Recognition of curved images

Added: 20/11/2022 Downloads:

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File Size: 172.04MB

Aspose.Ocr.Cpp-Linux.22.11.0

Recognition of curved images

Added: 20/11/2022 Downloads:

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File Size: 174.77MB

Aspose.Ocr.Cpp-Linux.22.10.0

Functionality as in Aspose.OCR.Cpp-22.10 for Linux

Added: 31/10/2022 Downloads:

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File Size: 152.86MB

Aspose.Ocr.Cpp-Linux-Gpu.22.10.0

Functionality as in Aspose.OCR.Cpp-22.10 for Linux

Added: 31/10/2022 Downloads:

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File Size: 152.86MB

Aspose.OCR.Cpp-22.10.0

Available possibility of partial image processing before recognition

Added: 18/10/2022 Downloads:

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File Size: 151.7MB

Aspose.OCR.Cpp-GPU.22.10.0

Functionality as in Aspose.OCR.Cpp-22.9

Added: 18/10/2022 Downloads:

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File Size: 151.69MB

Aspose.OCR.Cpp-22.9.0

Recognize receipts, Small fonts recognition

Added: 3/10/2022 Downloads:

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File Size: 151.69MB

Aspose.OCR.Cpp-22.7.0

Updated PDF-creation algorithm. Add an image as a background

Added: 25/7/2022 Downloads:

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File Size: 303.17MB

Aspose.OCR.Cpp-22.6.0

New Denoising ML model, JSON output format, Table recognition

Added: 29/6/2022 Downloads:

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File Size: 151.62MB

Aspose.OCR.Cpp-22.5.0

New Cyrillic ML model, fast recognition method

Added: 10/6/2022 Downloads:

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File Size: 115.0 MB

Aspose.OCR.Cpp-22.4.0

improved XLSX, ability to get words coordinates

Added: 4/22/2022 Downloads:

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File Size: 106.5 MB

Aspose.OCR.Cpp-22.3.0

added new areas detection modes, reduced size

Added: 3/28/2022 Downloads:

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File Size: 106.5 MB

Aspose.OCR.Cpp-22.1.0

Add TIFF input format support

Added: 1/28/2022 Downloads:

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File Size: 237.4 MB

Aspose.OCR.Cpp-21.12.0

Add .xlsx format support for result

Added: 12/29/2021 Downloads:

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File Size: 237.2 MB

Aspose.OCR.Cpp-21.11.0

multipage PDF and DOCX support, cotrast correction algorythm

Added: 11/22/2021 Downloads:

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File Size: 237.2 MB

Aspose.OCR.Cpp-21.10.0

Preprocess filters, list of images recognition

Added: 10/3/2021 Downloads:

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File Size: 237.2 MB

Aspose.OCR.Cpp.21.8.0

Line coordinates, probable variants for characters, line filtering are added

Added: 8/10/2021 Downloads:

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File Size: 237.2 MB

Aspose.OCR.Cpp.21.7.0

New ML model with improved regions recognition. Support for Chinese language

Added: 7/14/2021 Downloads:

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File Size: 237.2 MB

Aspose.OCR.Cpp-GPU.21.7.0

New ML model with improved regions recognition. Support for Chinese language

Added: 7/14/2021 Downloads:

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File Size: 237.2 MB

Aspose.OCR.Cpp-GPU.21.5.0

PDF format for result. New ML model with improved recognition. Support for an ad...

Added: 5/26/2021 Downloads:

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File Size: 193.8 MB

Aspose.OCR.Cpp-21.5.0

PDF format for result. New ML model with improved recognition. Support for an ad...

Added: 5/26/2021 Downloads:

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File Size: 193.8 MB

Aspose.OCR.Cpp-GPU.21.4.0

Added .docx format support for result, added threshold_value parameter

Added: 5/4/2021 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-21.4.0

Added .docx format support for result, added threshold_value parameter

Added: 5/4/2021 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-GPU.21.2.0

added ability to set ignored symbols for recognition

Added: 3/1/2021 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-21.2

added ability to set ignored symbols for recognition

Added: 3/1/2021 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-20.11.0

Added ability to recognize a batch of images (in zip archive or in a folder).

Added: 11/27/2020 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-GPU.20.11.0

Added ability to recognize a batch of images (in zip archive or in a folder).

Added: 11/27/2020 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-20.10.0

Aspose.OCR for C (C++) is a cross-platform C and C++ library for optical charact...

Added: 10/22/2020 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp.Gpu-20.10.0

Aspose.OCR for C (C++) is a cross-platform C and C++ library for optical charact...

Added: 10/22/2020 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-GPU.20.9.0

New API method (recognize image from uri-link). Result in JSON format

Added: 9/30/2020 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-20.9.0

New API method (recognize image from uri-link). Result in JSON format

Added: 9/30/2020 Downloads:

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File Size: 192.1 MB

Aspose.OCR.Cpp-GPU.20.8.0

new ML model for image recognition using GPU and CUDA technology

Added: 8/28/2020 Downloads:

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File Size: 177.7 MB

Aspose.OCR.Cpp-20.8.0

New ML model with improved symbols recognition.

Added: 8/28/2020 Downloads:

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File Size: 177.7 MB

Aspose.OCR.Cpp-GPU.20.7.0

image recognition using GPU and CUDA technology

Added: 8/3/2020 Downloads:

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File Size: 177.7 MB

Aspose.OCR.Cpp-20.7.1

New ML model with improved recognition. Recognizing text in the tables.

Added: 7/17/2020 Downloads:

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File Size: 177.9 MB

Aspose.OCR for C++ 20.6 (static library for Linux)

Aspose.OCR for C and C++ is a robust optical character recognition API. Develope...

Added: 6/17/2020 Downloads:

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File Size: 192.3 MB

Aspose.OCR for C++ 20.6

Aspose.OCR for C and C++ is a robust optical character recognition API. Develope...

Added: 6/2/2020 Downloads:

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File Size: 177.9 MB

Aspose.OCR for C++ 20.4 (zip)

Aspose.OCR for C++ is a robust optical character recognition API. Developers can...

Added: 4/23/2020 Downloads:

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File Size: 178.1 MB

Aspose.OCR for C++ 20.4

Aspose.OCR for C++ is a cross-platform C++ library for optical character recogni...

Added: 4/15/2020 Downloads:

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File Size: 178.1 MB


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