LEAD OCR offers a variety of features, such as OCR engine, PDF, OMR, and ICR, which are all locked. To unlock these features, purchase the desired module and obtain a runtime license and developer key.
Unlocking the OCR Engine
Before you start using the OCR toolkit, the OCR engine must be unlocked by calling the L_SetLicenseFile function with a runtime license for LEADTOOLS OCR Module - OmniPage Engine, otherwise, all OCR functions will return ERROR_DOC_LOCKED.
Medical Web Viewer .NET
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C API/C++ Class Libraries