Paper Title:
A Novel Illumination Compensation Method Using Wavelet Packet Transformation
  Abstract

A novel illumination compensate method is proposed in this paper to improve recognition performance. A modified lighting model called Lambertin which includes additive noise and multiplicative noise are presented firstly. Then, additive noise is removed by using wavelet packet transformation. Next, the processed image is transformed into logarithm domain and the multiplicative noise, which has been named additive noise, is removed by means of the same above algorithm. Finally, a compensated face image is obtained. We examine the proposed method on Yale extended B database compared with other methods. Experimental results show that our algorithm improves by 3%~12% recognition rate. It can effectively adjust the facial images for varying illumination conditions and also improve the recognition performance and robustness.

  Info
Periodical
Advanced Materials Research (Volumes 317-319)
Chapter
Machine Vision
Edited by
Xin Chen
Pages
897-900
DOI
10.4028/www.scientific.net/AMR.317-319.897
Citation
Z. H. Zhao, X. H. Hao, "A Novel Illumination Compensation Method Using Wavelet Packet Transformation", Advanced Materials Research, Vols. 317-319, pp. 897-900, 2011
Online since
August 2011
Export
Price
$32.00
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