Multiscale facial structure representation for face recognition under varying illumination

Taiping Zhang, Bin Fang*, Yuan Yuan, Yuan Yan Tang, Zhaowei Shang, Donghui Li, Fangnian Lang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Facial structure of face image under lighting lies in multiscale space. In order to detect and eliminate illumination effect, a wavelet-based face recognition method is proposed in this paper. In this work, the effect of illuminations is effectively reduced by wavelet-based denoising techniques, and meanwhile the multiscale facial structure is generated. Among others, the proposed method has the following advantages: (1) it can be directly applied to single face image, without any prior information of 3D shape or light sources, nor many training samples; (2) due to the multiscale nature of wavelet transform, it has better edge-preserving ability in low frequency illumination fields; and (3) the parameter selection process is computationally feasible and fast. Experiments are carried out upon the Yale B and CMU PIE face databases, and the results demonstrate that the proposed method achieves satisfactory recognition rates under varying illumination conditions.

Original languageEnglish
Pages (from-to)251-258
Number of pages8
JournalPattern Recognition
Issue number2
Early online date9 Apr 2008
Publication statusPublished - Feb 2009


  • face recognition
  • illumination invariant
  • multiscale structure
  • wavelet denoising


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