Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....Threshold in Ruby Contents [ Hide ] Aspose.OCR - Setting Global Threshold...Set Global Threshold using Aspose.OCR Java for Ruby , call set_global_threshold...