Apps similar to LeptonicaSharp include OpenCV, which is free and open source. Other options are Accord.NET Framework. Between them they cover Windows, Linux, Android, iPhone and iPad.
OpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).
The Accord.NET Framework is a .NET machine learning framework combined with audio and image processing libraries completely written in C#. It is a complete framework for building production-grade computer vision, computer audition, signal processing and statistics applications...
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