Document search and retrieval system with partial match...

G - Physics – 06 – F

Patent

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G06F 17/30 (2006.01) G06F 7/00 (2006.01)

Patent

CA 2195178

The document browser for electronic filing systems supports pen-based markup and annotation. The user may electronically write notes anywhere on a page and then later search for those notes using the approximate ink matching (AIM) technique. The technique segments the user-drawn strokes, extracts and vector quantizes features contained in those strokes. An edit distance comparison technique is used to query the database, rendering the system capable of performing approximate or partial matches to achieve fuzzy search capability.

echnique de consultation de documents pour systèmes de classification électronique susceptible de tenir compte des annotations et des symboles inscrits sans clavier. L'utilisateur peut écrire des commentaires électroniquement n'importe où sur une page, puis les retrouver en recourant à la technique de correspondance approximative des signes tracés à l'encre (technique AIM). Cette technique opère la segmentation des traits inscrits par l'utilisateur, puis en extrait certaines caractéristiques et leur attribue une grandeur vectorielle. Elle recourt ensuite à une technique d'édition par comparaison des distances pour interroger la banque de données, ce qui procure à ce système la capacité d'établir des correspondances approximatives ou partielles et de jouir ainsi d'une capacité de recherche floue.

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