How-To: Adding custom words to OCR Spellcheck dictionaries in v20

#1 Posted : Thursday, April 2, 2020 11:48:41 AM(UTC)

Nick

Groups: Registered, Tech Support, Administrators
Posts: 98

Was thanked: 4 time(s) in 4 post(s)

The LEADTOOLS LEAD OCR engine comes with a default spellcheck dictionary consisting of words, phrases, and letter combinations. This dictionary can be extended by using the IOcrSpellCheckManager.AddUserWords() method.

https://www.leadtools.com/help/sdk/v20/dh/fo/iocrspellcheckmanager-adduserwords.html

This method accepts parameters specifying what language the words are in and an array containing the words to be added. Note only languages currently installed can have words added. The IOcrSpellCheckManager.GetSupportedSpellLanguages() method enumerates these and IOcrSpellCheckManager.IsSpellLanguageSupported() returns a value based on the specified one.

https://www.leadtools.com/help/sdk/v20/dh/fo/iocrspellcheckmanager-getsupportedspelllanguages.html
https://www.leadtools.com/help/sdk/v20/dh/fo/iocrspellcheckmanager-isspelllanguagesupported.html

Here's a code snippet which shows determining a language is present and updating its dictionary accordingly:

Code:


         using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false))
         {
            ocrEngine.Startup(null, null, null, null);
            IOcrSpellCheckManager spellCheckManager = ocrEngine.SpellCheckManager;
            string en = "en";

            if (spellCheckManager.IsSpellLanguageSupported(en))
            {
               string[] wordsToAdd = { "LEADTOOLS", "OCR" };
               spellCheckManager.AddUserWords(en, wordsToAdd);
            }

            ocrEngine.Shutdown();
         }

Note that the appropriate dictionary must be deployed for the language. We have these listed in our documentation on "OCR Files to be Included with your Application".
https://www.leadtools.com/help/sdk/v20/dh/to/leadtools-ocr-module-lead-engine-runtime-files.html

Nick Crook
Developer Support Engineer
LEAD Technologies, Inc.


	Try the latest version of LEADTOOLS for free for 60 days by downloading the evaluation: https://www.leadtools.com/downloads Wanna join the discussion? Login to your LEADTOOLS Support account or Register a new forum account.

Notification

How-To: Adding custom words to OCR Spellcheck dictionaries in v20