Multi-view facial landmark detector learned by the Structured Output SVM

Michal Uřičář, Vojtěch Franc, Diego Thomas, Akihiro Sugimoto, Václav Hlaváč

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

We propose a real-time multi-view landmark detector based on Deformable Part Models (DPM). The detector is composed of a mixture of tree based DPMs, each component describing landmark configurations in a specific range of viewing angles. The usage of view specific DPMs allows to capture a large range of poses and to deal with the problem of self-occlusions. Parameters of the detector are learned from annotated examples by the Structured Output Support Vector Machines algorithm. The learning objective is directly related to the performance measure used for detector evaluation. The tree based DPM allows to find a globally optimal landmark configuration by the dynamic programming. We propose a coarse-to-fine search strategy which allows real-time processing by the dynamic programming also on high resolution images. Empirical evaluation on “in the wild” images shows that the proposed detector is competitive with the state-of-the-art methods in terms of speed and accuracy yet it keeps the guarantee of finding a globally optimal estimate in contrast to other methods.

Original languageEnglish
Pages (from-to)45-59
Number of pages15
JournalImage and Vision Computing
Volume47
DOIs
Publication statusPublished - Mar 2016

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Computer Vision and Pattern Recognition

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