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Published in:
2011 | OriginalPaper | Chapter
Content Based Image Retrieval Using Visual-Words Distribution Entropy
Authors : Savvas A. Chatzichristofis, Chryssanthi Iakovidou, Yiannis S. Boutalis
Published in: Computer Vision/Computer Graphics Collaboration Techniques
Publisher: Springer Berlin Heidelberg
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Bag-of-visual-words (BOVW) is a representation of images which is built using a large set of local features. To date, the experimental results presented in the literature have shown that this approach achieves high retrieval scores in several benchmarking image databases because of their ability to recognize objects and retrieve near-duplicate (to the query) images. In this paper, we propose a novel method that fuses the idea of inserting the spatial relationship of the visual words in an image with the conventional Visual Words method. Incorporating the visual distribution entropy leads to a robust scale invariant descriptor. The experimental results show that the proposed method demonstrates better performance than the classic Visual Words approach, while it also outperforms several other descriptors from the literature.