Optimizing top precision performance measure of content-based image retrieval by learning similarity function

Abstract
In this paper we study the problem of content-based image retrieval. In this problem, the most popular performance measure is the top precision measure, and the most important component of a retrieval system is the similarity function used to compare a query image against a database image. However, up to now, there is no existing similarity learning method proposed to optimize the top precision measure. To fill this gap, in this paper, we propose a novel similarity learning method to maximize the top precision measure. We model this problem as a minimization problem with an objective function as the combination of the losses of the relevant images ranked behind the top-ranked irrelevant image, and the squared Frobenius norm of the similarity function parameter. This minimization problem is solved as a quadratic programming problem. The experiments over two benchmark data sets show the advantages of the proposed method over other similarity learning methods when the top precision is used as the performance measure.

Citation
Ru-Ze Liang, Shi L, Wang H, Jiandong Meng, Wang JJ-Y, et al. (2016) Optimizing top precision performance measure of content-based image retrieval by learning similarity function. 2016 23rd International Conference on Pattern Recognition (ICPR). Available: http://dx.doi.org/10.1109/ICPR.2016.7900086.

Acknowledgements
The study is supported by a grant from Provincial Key Laboratory for Computer Information Processing Technology, Soochow University, China

Publisher
Institute of Electrical and Electronics Engineers (IEEE)

Journal
2016 23rd International Conference on Pattern Recognition (ICPR)

DOI
10.1109/ICPR.2016.7900086

arXiv
1604.06620

Additional Links
http://ieeexplore.ieee.org/document/7900086/

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