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11 October 2000 Nonlinear combining of heterogeneous features in content-based image retrieval
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In content-based image retrieval (CBIR), retrieval based on different features can be various by the way how to combine the feature values. Most of the existing approaches assume a linear relationship between different features, and the usefulness of such systems was limited due to the difficulty in representing high-level concepts using low-level features. In this paper, we introduce Neural Network-based Image retrieval (NNIR) system, a human-computer interaction approach to CBIR. By using the Radial Basis Function (RBF) network, this approach determines nonlinear relationship between features so that more accurate similarity comparison between images can be supported. The experimental results show that the proposed approach has the superior retrieval performance than the existing linear combining approach, the rank-based method and the Back Propagatoin-based method. Although the proposed retrieval model is for CBIR, it can easily be expanded to handle other media types such as video and audio.
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HyoungGu K. Lee and Suk In Yoo "Nonlinear combining of heterogeneous features in content-based image retrieval", Proc. SPIE 4197, Intelligent Robots and Computer Vision XIX: Algorithms, Techniques, and Active Vision, (11 October 2000);


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