OPG Based Adaptive Filter Design and Its Application in Image Processing

PENG Dong-liang; WU Tie-jun

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OPG Based Adaptive Filter Design and Its Application in Image Processing

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- OPG Based Adaptive Filter Design and Its Application in Image Processing
- Acta Electronica Sinica Vol. 32, Issue 1, Pages: 118-120(2004)
- 作者机构：
  
  浙江大学智能系统与决策研究所,浙江大学工业控制技术国家重点实验室,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2004
- 稿件说明：
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PENG Dong-liang, WU Tie-jun. OPG Based Adaptive Filter Design and Its Application in Image Processing[J]. Acta Electronica Sinica, 2004, 32(1): 118-120.
DOI：

PENG Dong-liang, WU Tie-jun. OPG Based Adaptive Filter Design and Its Application in Image Processing[J]. Acta Electronica Sinica, 2004, 32(1): 118-120. DOI：

摘要

本文基于单参数变换群理论提出了一种新的自适应滤波器的设计方法

并且给出了滤波器与图象卷积的算法.参数变化后的滤波器的可以表示为事先给定的一组基本滤波器的线性组合.这种滤波器在不同方向、尺度和位置上和图像进行卷积时

可以显著提高运算效率.最后给出了一个图像边缘提取的算例

表明这种方法是有效的.

Abstract

A novel adaptive filter design technique is proposed in this paper according the theory of One-parameter Transformation Group.An algorithm for the convolution of this filter and an image is also given.The filter

after this parameter changes

can be represented in form of the linear combination of a fixed

finite set of basis filters.When this kind of filters are convoluted with a image in different orientations

positions and scales

the computing efficiency is improved remarkably.An example for edge-detection is given to demonstrate validity of this method.

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