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IMAGE CORRELOGRAM IN IMAGE DATABASE INDEXING AND RETRIEVAL

In this paper we present a new approach to image indexing and retrieval based on image correlogram. We show that in comparison with usually used approaches, i.e. image histogram and autocorrelogram, image correlogram gives significantly better results in image retrieval. These results are achievable without increasing computational cost in image indexing or retrieval. In the experimental part of this paper the retrieval performance of image correlogram is compared to that of image autocorrelogram and image histogram.