KPYR: An Efficient Indexing Method

Motivated by the needs for efficient indexing structures adapted to real applications in video database, we present a new indexing structure named Kpyr. In Kpyr, we use a clustering algorithm to partition the data space into sub-spaces on which we apply Pyramid technique (S. Berchtold, et al., 1998). We thus reduce the search space concerned by a query and improve the performances. We show that our approach provides interesting and performing experimental results for both K-nearest neighbors and window queries