Unified discriminating feature analysis for visual category recognition

Publisher:
ACADEMIC PRESS INC ELSEVIER SCIENCE
Publication Type:
Journal Article
Citation:
Journal of Visual Communication and Image Representation, 2016, 40, pp. 772-778
Issue Date:
2016-10-01
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Visual category recognition (VCR) is one of the most important tasks in image and video indexing. To deal with high dimension image/video data, feature analysis algorithms have been widely used for visual category recognition. In this paper, to enhance the flexibility regarding the exploitation of labeled or unlabeled data, we propose a unified feature analysis framework that can be applied to both supervised and semi-supervised scenarios. Furthermore, by revealing intrinsic relationships of traditional feature analysis methods, our framework not only integrates traditional methods, but also introduces an ℓ2,1-norm regularization term for sparse learning. Extensive experiments report that the proposed method obtains advantageous performance in comparison with other state-of-the-art supervised and semi-supervised feature selection algorithms.
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