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作者:

Li, Xiaoguang (Li, Xiaoguang.) | Xia, Qing (Xia, Qing.) | Zhuo, Li (Zhuo, Li.) | Lam, Kin Man (Lam, Kin Man.)

收录:

EI Scopus

摘要:

In this paper, we present a novel eigentransformation based algorithm for face hallucination. The traditional eigentransformation method is a linear subspace approach, which represents an image as a linear combination of training samples. Consequently, it cannot effectively represent the relationship between the low resolution facial images and the corresponding high-resolution version. In our algorithm, a Kernel Partial Least Squares (KPLS) predictor is introduced into the eigentransformation model for solving the High Resolution (HR) image form a Low Resolution (LR) facial image. We have compared our proposed method with some current Super Resolution (SR) algorithms using different zooming factors. Experimental results show that our algorithm provides improved performances over the compared methods in terms of both visual quality and numerical errors. © 2012 IEEE.

关键词:

Least squares approximations Numerical methods Optical resolving power Signal processing

作者机构:

  • [ 1 ] [Li, Xiaoguang]Signal and Information Processing Laboratory, Beijing University of Technology, Beijing, China
  • [ 2 ] [Xia, Qing]Signal and Information Processing Laboratory, Beijing University of Technology, Beijing, China
  • [ 3 ] [Zhuo, Li]Signal and Information Processing Laboratory, Beijing University of Technology, Beijing, China
  • [ 4 ] [Lam, Kin Man]Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, Hong Kong

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来源 :

年份: 2012

页码: 462-467

语种: 英文

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 5

ESI高被引论文在榜: 0 展开所有

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