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A Hybrid Linear-quadratic Filter for Images Corrupted by Gaussian Noise
  • Shisheng Huang,
  • Kai Qiao,
  • Chuqi Wei
Shisheng Huang
Beijing Tracking and Communication Technology Research Institute

Corresponding Author:huangss@nudt.edu.cn

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Kai Qiao
Beijing Tracking and Communication Technology Research Institute
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Chuqi Wei
Beijing Tracking and Communication Technology Research Institute
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Abstract

A hybrid linear-quadratic filter is proposed for images corrupted by Gaussian noise. The filter is designed to yield a simple control of noise cancellation and detail preservation by using the piecewise linear or quadratic functions. Experimental results demonstrate the better performance of the proposed filter compared to the existing piecewise linear filter.