Handwriting and voice input with automatic correction

G - Physics – 06 – K

Patent

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G06K 9/00 (2006.01) G06K 9/18 (2006.01)

Patent

CA 2556065

A hybrid approach to improve handwriting recognition and voice recognition in data process systems is disclosed. In one embodiment, a front end is used to recognize strokes, characters and/or phonemes. The front end returns candidates with relative or absolute probabilities of matching to the input. Based on linguistic characteristics of the language, e.g. alphabetical or ideographic language for the words being entered, e.g. frequency of words and phrases being used, likely part of speech of the word entered, the morphology of the language, or the context in which the word is entered), a back end combines the candidates determined by the front end from inputs for words to match with known words and the probabilities of the use of such words in the current context.

La présente invention concerne une approche hybride destinée à améliorer la reconnaissance de l'écriture manuscrite et la reconnaissance vocale dans les systèmes informatiques. Dans un mode de réalisation, on utilise un module de premier plan pour reconnaître les traits, les caractères et/ou les phonèmes. Le module de premier plan renvoie des candidats affectés de probabilités relatives ou absolues de correspondre à l'entrée. Partant de caractéristiques linguistiques de la langue, par exemple langue alphabétique ou à idéogrammes pour les mots en cours de saisie, par exemple de la fréquence des mots et locutions en cours d'utilisation, de parties vraisemblables d'élocution du mot saisi, de la morphologie de la langue, ou du contexte dans lequel le mot est saisi, un module de second plan combine les candidats déterminé par le module de premier plan des entrées pour que les mots correspondent à des mots connus et aux probabilités d'utilisation de tels mots dans le contexte en cours.

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