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MultiLabel Sparse Coding for Automatic Image Annotation

By Changhu Wang, Shuicheng Yan, Lei Zhang and Hong-jiang Zhang


In this paper, we present a multi-label sparse coding framework for feature extraction and classification within the context of automatic image annotation. First, each image is encoded into a so-called supervector, derived from the universal Gaussian Mixture Models on orderless image patches. Then, a label sparse coding based subspace learning algorithm is derived to effectively harness multilabel information for dimensionality reduction. Finally, the sparse coding method for multi-label data is proposed to propagate the multi-labels of the training images to the query image with the sparse ℓ 1 reconstruction coefficients. Extensive image annotation experiments on the Corel5k and Corel30k databases both show the superior performance of the proposed multi-label sparse coding framework over the state-of-the-art algorithms. 1

Topics: assign the images with the
Year: 2009
OAI identifier: oai:CiteSeerX.psu:
Provided by: CiteSeerX
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