Virtual keyboard system with automatic correction

摘要

There is disclosed an enhanced text entry system which uses word-level analysis to automatically correct inaccuracies in user keystroke entries on reduced keyboards such as those implemented on a touch-sensitive panel or display screen, or on mechanical keyboard systems. A method and system are defined which determine one or more alternate textual interpretations of each sequence of inputs detected within a designated auto-correcting keyboard region.

主权项

1. A text entry system comprising:
an auto-correcting keyboard region comprising a plurality of the characters of an alphabet, each of said characters having a contact location within said auto-correcting keyboard region, a word evaluation component which identifies at least one candidate object, and for any identified candidate object, evaluates said identified candidate object by calculating a matching metric; wherein when the word evaluation component calculates a matching metric value for a given word stem with respect to an initial sequence of contacts within an input sequence that ranks higher than a predetermined threshold, the word evaluation component evaluates remaining contacts of the input sequence with respect to at least one associated suffix that can be appended to said given word stem to form at least one inflected word, and wherein when the word evaluation component calculates a matching metric value for a given suffix that ranks higher than a second predetermined threshold, said suffix is appended to said word stem to form a completed word.