An Approach of Image Tag Recommendation Based on Subspace Learning Model

doi:10.3969/j.issn.1006-2475.2016.03.014

Abstract

Abstract: Represented by Flickr and Picasa, online photo albums allow users to tag images, hoping to make it more convenient as well as efficient to organize and retrieve image resources. Recently, automatic tag recommendation system has become a hot research field considering the increasing request that high-quality tags be provided. In this thesis, a new method for tag recommendation system is proposed. Unlike the traditional one which only depends on frequency information or visual feature similarity while neglecting the relation between visual content and the semantic meaning contained in tags thus leading to unsatisfactory recommendations, the new method can find out a latent subspace shared by visual features and tag contents using matrix factorization. As for an untagged image, recommendations can be made when its visual features are projected into the latent subspace and the relevance level it has with others tags is figured out. This new method has been proved efficient after being tested on NUS-WIDE data set with more satisfactory results.

Key words: social tag , social image, subspace learning, recommender system, cold start

CLC Number:

TP391

QI Chao. An Approach of Image Tag Recommendation Based on Subspace Learning Model[J]. Computer and Modernization, doi: 10.3969/j.issn.1006-2475.2016.03.014.

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