Creates an OCR session and returns a refnum associated with the session.

Disposes of the OCR session and frees the resources associated with this session.

Gets and sets the value of the property specified by Property. You can use this polymorphic VI to set the value of an I32 property, a string property, or a Boolean property. The data type you wire to the Property Value input determines which polymorphic instance to use.

Gets and sets the threshold data.

Assigns character values to the objects that NI Vision identifies in the image. The newly trained characters are appended to the existing trained character set. An image can contain no more than 255 objects.

Retrieves information about the trained character at the specified index.

Renames the trained character at the index specified by Character Index.

Deletes a character from the trained character set at the index specified by Character Index.

Specifies the characters that are valid for each character position in the image.

Reads a character set and session properties from the character set file specified by File Path.

Stores the trained character set and properties of the session in the file specified by File Path.

Verifies the accuracy of the text in the image.

Sets a character as the reference character for the character class. If the character class already has a reference character, the new character will replace the old character as the reference character.