Automatic eigentemplate learning for sparse template tracker

Keiji Sakabe, Tomoyuki Taguchi, Takeshi Shakunaga

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Automatic eigentemplate learning is discussed for a sparse template tracker. It is known that a sparse template tracker can effectively track a moving target using an eigentemplate when it is appropriately prepared for a motion class or for an illumination class. However, it has not been easy to prepare an eigentemplate automatically for any image sequences. This paper provides a feasible solution to this problem in the framework of sparse template tracking. In the learning phase, the sparse template tracker adaptively tracks a target object in a given image sequence when the first template is provided in the first image. By selecting a small number of representative and effective images, we can make up an eigentemplate by the principal component analysis. Once the eigentemplate learning is accomplished, the sparse template tracker can work with the eigentemplate instead of an adaptive template. Since the sparse eigentemplate tracker doesn't require any adaptive tracking, it can work more efficiently and effectively for image sequences in the class of learned appearance changes. Experimental results are provided for real-time face tracking when eigentemplates are learned for pose changes and for illumination changes, respectively.

Original languageEnglish
Pages (from-to)714-725
Number of pages12
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume5414 LNCS
DOIs
Publication statusPublished - 2009

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Template
Lighting
Principal component analysis
Image Sequence
Illumination
Face Tracking
Moving Target
Learning
Principal Component Analysis
Real-time
Target
Motion
Experimental Results
Class

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

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abstract = "Automatic eigentemplate learning is discussed for a sparse template tracker. It is known that a sparse template tracker can effectively track a moving target using an eigentemplate when it is appropriately prepared for a motion class or for an illumination class. However, it has not been easy to prepare an eigentemplate automatically for any image sequences. This paper provides a feasible solution to this problem in the framework of sparse template tracking. In the learning phase, the sparse template tracker adaptively tracks a target object in a given image sequence when the first template is provided in the first image. By selecting a small number of representative and effective images, we can make up an eigentemplate by the principal component analysis. Once the eigentemplate learning is accomplished, the sparse template tracker can work with the eigentemplate instead of an adaptive template. Since the sparse eigentemplate tracker doesn't require any adaptive tracking, it can work more efficiently and effectively for image sequences in the class of learned appearance changes. Experimental results are provided for real-time face tracking when eigentemplates are learned for pose changes and for illumination changes, respectively.",
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