Index database creating apparatus and index database retrieving apparatus
An index database creating apparatus includes a feature extracting unit for extracting features from a content; an index creating unit for creating feature indices of the extracted features; an index selector for selecting one or more of the feature indices based on frequency-based importance levels thereof; and a feature index database for storing therein the selected feature indices along with locations thereof in the content. The index selector obtains the frequency-based importance levels based on frequency distributions of the feature indices in the content and in other contents to be stored in the feature index database.
Electronics and Telecommunications Research Institute
G
G06F
inventional
Jin Soo Wonyoung Weon Geun Young-Suk Young Ho Yong-Seok Seungjae Sang Kwang
Seo Yoo Oh Yoon Suh Seo Lee Lee