How do I implement the Tesseract OCR in a monotouch application for Iphone?
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How do I implement the Tesseract OCR in a monotouch application for Iphone?
First you need to have the library ported to iOS and available as a static library. That where Vikas’ answer (Pocket-PCR) might comes handy (but I have not tried it).
Next you’ll need to create C# bindings to the library.
When the API is exports C functions you can use normal .NET pinvokes, i.e. using DllImport attributes.
When an Objective-C API is provided then you can create bindings using the
btouchtool. Instructions are available on the MonoTouch web site.However (and this looks to be the case for Tesseract) it’s a bit more complex for C++ libraries. You’ll either need to first create a C (or Objective-C) library that export the feature you need and them bind your own API.