Feature-vector generation apparatus, search apparatus, feature-vector generation method, search method and program

摘要

A feature-vector generation apparatus includes an input unit configured to input content data including at least one of video data and audio data, a generation unit configured to generate a feature vector, based on information indicating a time at which a characterizing state of the content data appears, the characterizing state being characterized by a change of the at least one of the video data and the audio data, and a storage unit configured to store the content data and the feature vector.