Hi @nikita.korobeynikov, I am going to call TemplateProcessor.recognizeImage() method to process scanned image. It takes String as file path but I get the image from BufferedImage in the memory. In this case, can you please advise how to invoke method? In additon, is there any reference for API documenation? Here is the snippet for your understanding. // render the PDF page to an image with 100 DPI JPG format BufferedImage image = renderer.renderImageWithDPI(i, 100, ImageType.RGB); // Pro......to this formatting (with the comma), the system throws a NumberFormatExceptio...return Student_number without commas. I will debug this issue in...