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Tracking Persons-of-Interest via Adaptive Discriminative Features

  • Shun Zhang
  • Yihong Gong
  • Jia-Bin Huang
  • Jongwoo Lim
  • Jinjun Wang
  • Narendra Ahuja
  • Ming-Hsuan Yang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9909)

Abstract

Multi-face tracking in unconstrained videos is a challenging problem as faces of one person often appear drastically different in multiple shots due to significant variations in scale, pose, expression, illumination, and make-up. Low-level features used in existing multi-target tracking methods are not effective for identifying faces with such large appearance variations. In this paper, we tackle this problem by learning discriminative, video-specific face features using convolutional neural networks (CNNs). Unlike existing CNN-based approaches that are only trained on large-scale face image datasets offline, we further adapt the pre-trained face CNN to specific videos using automatically discovered training samples from tracklets. Our network directly optimizes the embedding space so that the Euclidean distances correspond to a measure of semantic face similarity. This is technically realized by minimizing an improved triplet loss function. With the learned discriminative features, we apply the Hungarian algorithm to link tracklets within each shot and the hierarchical clustering algorithm to link tracklets across multiple shots to form final trajectories. We extensively evaluate the proposed algorithm on a set of TV sitcoms and music videos and demonstrate significant performance improvement over existing techniques.

Keywords

Convolutional Neural Network Music Video Multiple Shot Visual Constraint Data Association Problem 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgement

The work is partially supported by National Basic Research Program of China (973 Program, 2015CB351705), NSFC (61332018), Office of Naval Research (N0014-16-1-2314), R&D programs by NRF (2014R1A1A2058501) and MSIP/IITP (IITP-2016-H8601-16-1005) of Korea, NSF CAREER (1149783) and gifts from Adobe and NVIDIA.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Shun Zhang
    • 1
  • Yihong Gong
    • 1
  • Jia-Bin Huang
    • 2
  • Jongwoo Lim
    • 3
  • Jinjun Wang
    • 1
  • Narendra Ahuja
    • 2
  • Ming-Hsuan Yang
    • 4
  1. 1.Xi’an Jiaotong UniversityXi’anChina
  2. 2.University of Illinois, Urbana-ChampaignChampaignUSA
  3. 3.Hanyang UniversitySeoulSouth Korea
  4. 4.University of CaliforniaMercedUSA

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