1. College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China;
2. Graduate School of Information, Production and Systems, Waseda University, Kitakyushu 808-0135, Japan
Abstract In this paper, a novel method called discriminative histogram intersection metric learning (DHIML) is proposed for pair matching and classification. Specifically, we introduce a discrimination term for learning a metric from binary information such as same/not-same or similar/dissimilar, and then combine it with the classification error for the discrimination in classifier construction. Compared with conventional approaches, the proposed method has several advantages. 1) The histogram intersection strategy is adopted into metric learning to deal with the widely used histogram features effectively. 2) By introducing discriminative term and classification error term into metric learning, a more discriminative distance metric and a classifier can be learned together. 3) The objective function is robust to outliers and noises for both features and labels in the training. The performance of the proposed method is tested on four applications: face verification, face-track identification, face-track clustering, and image classification. Evaluations on the challenging restricted protocol of Labeled Faces in the Wild (LFW) benchmark, a dataset with more than 7000 face-tracks, and Caltech-101 dataset validate the robustness and discriminability of the proposed metric learning, compared with the recent state-of-the-art approaches.
This work was supported by the Natural Science Foundation of Zhejiang Province of China under Grant Nos. LQ15F020008 and LY15F020028, the National Natural Science Foundation of China under Grant Nos. 61325019, 61402411, 61502424, and U1509207, and Japan Society for the Promotion of Science (JSPS KAKENHI) under Grant No. 15K00248.
Corresponding Authors: 10.1007/s11390-017-1740-0
About author: Peng-Yi Hao received her Ph.D. degree in computer science from Graduate School of Information, Production and Systems, Waseda University, Kitakyushu, in 2013. She is currently a lecturer of Zhejiang University of Technology, Hangzhou. Her current research interests include computer vision and image analysis. She is a member of CCF and IEEE.
Cite this article:
Peng-Yi Hao, Yang Xia, Xiao-Xin Li, Sei-ichiro Kamata, Sheng-Yong Chen.Discriminative Histogram Intersection Metric Learning and Its Applications[J] Journal of Computer Science and Technology, 2017,V32(3): 507-519
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