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Published in:
2012 | OriginalPaper | Chapter
Automatic Image Annotation and Retrieval Using Hybrid Approach
Authors : Zhixin Li, Weizhong Zhao, Zhiqing Li, Zhiping Shi
Published in: Intelligent Information Processing VI
Publisher: Springer Berlin Heidelberg
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We firstly propose continuous probabilistic latent semantic analysis (PLSA) to model continuous quantity. In addition, corresponding Expectation-Maximization (EM) algorithm is derived to determine the model parameters. Furthermore, we present a hybrid framework which employs continuous PLSA to model visual features of images in generative learning stage and uses ensembles of classifier chains to classify the multi-label data in discriminative learning stage. Since the framework combines the advantages of generative and discriminative learning, it can predict semantic annotation precisely for unseen images. Finally, we conduct a series of experiments on a standard Corel dataset. The experiment results show that our approach outperforms many state-of-the-art approaches.