Metric learning based on outlier sample elimination for person re-identification

Rima Ruktiari Ismail, Seiichiro Kamata

研究成果: Conference contribution

抄録

Person re-identification is a task that aims to recognize a person of interest between two non-overlapping cameras. However, because of different camera angles and quality of the camera, person re-identification is becoming challenging task until now. Many existing methods have been proposed to solve these kinds of problems. Metric learning is already becoming a hot research topic especially for the effectiveness in matching person images problem. For metric learning process, most of them utilize all sample pairs without considering the ratio between distance of each pair. However, not all pairs are useful for the training process. We consider that there are some outliers that can not give good effect in the learning process. For example, a distance too far or too close can influence other samples and mislead the training process, resulting in longer training process time, less accuracy, and other bad effects. In this paper, we propose a new method based on eliminating the outliers, which is called Outlier Sample Elimination. Our method divides negative pairs into three groups using some thresholds to find the proper sample for learning process. During the learning process, we only use the best sample pairs to take into account in our loss function. We eliminate other samples that are considered as outliers.We try to evaluate our proposed method using the challenging VIPeR dataset. Our experiment shows that our method achieves a competitive performance.

本文言語English
ホスト出版物のタイトル2018 International Conference on Image and Video Processing, and Artificial Intelligence
編集者Ruidan Su
出版社SPIE
ISBN(電子版)9781510623101
DOI
出版ステータスPublished - 2018 1 1
イベント2018 International Conference on Image and Video Processing, and Artificial Intelligence, IVPAI 2018 - Shanghai, China
継続期間: 2018 8 152018 8 17

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
10836
ISSN(印刷版)0277-786X
ISSN(電子版)1996-756X

Conference

Conference2018 International Conference on Image and Video Processing, and Artificial Intelligence, IVPAI 2018
CountryChina
CityShanghai
Period18/8/1518/8/17

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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