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Independent component analysis of color SIFT for Image Classification | IEEE Conference Publication | IEEE Xplore

Independent component analysis of color SIFT for Image Classification


Abstract:

This paper addresses the problems of feature selection and feature fusion. For the feature selection, the color SIFT descriptors in the independent components are ordered...Show More

Abstract:

This paper addresses the problems of feature selection and feature fusion. For the feature selection, the color SIFT descriptors in the independent components are ordered for image classification. To select distinctive and compact independent components (IC) of the color SIFT descriptors, we propose two ordering approaches based on variation: (1) Local ordering approaches (the localization-based ICs ordering and the sparseness-based ICs ordering) and (2) Global selection approach (PCA-based ICs selection).We evaluate the performance of proposed methods on object and scene databases, and obtain the following two main results. First, the proposed methods are able to obtain acceptable classification results in comparison with original color SIFT descriptors. Second, the highest classification rate can be obtained by using the global selection method in the scene database, while the local ordering methods give the best performance for the object database. For the aspect of feature fusion, tensor-based ICA is utilized to consider the relationship between different features. This obtains compact and distinctive representation of images for effective image classification.
Date of Conference: 25-27 August 2011
Date Added to IEEE Xplore: 20 October 2011
ISBN Information:
Conference Location: Cluj-Napoca, Romania

References

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