Patent ID: 7783581
Filing Date: 2010-08-24
Classification: G06K,G06N

Abstract:
1. A system comprising: a data storage section configured to hold a first pattern and templates each of which belongs to members of a set of categories, wherein each of said categories corresponds to one of hierarchies of a hierarchical structure; a similarity calculating section configured to calculate first similarities between said first pattern and said templates; an update calculating section configured to calculate a first update based on said first similarities; a weighting section configured to multiply said first update by one of weight constants to provide a second update, wherein said weight constants correspond to said hierarchies, respectively; an updating section configured to update said templates based on said second update; and a category determining section, wherein said similarity calculating section is further configured to calculate second similarities between a second pattern and said updated templates, and said category determining section is configured to classify said second pattern into one of said categories based on said second similarities.