An Improvement to Sluzek's Moment Invariant Method

CHEN Pei; XU Xiao-ming; ZHANG Wei-dong; XU Run-sheng

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An Improvement to Sluzek's Moment Invariant Method

更新时间：2025-07-16

- An Improvement to Sluzek's Moment Invariant Method
- Acta Electronica Sinica Vol. 28, Issue 10, Pages: 45-48(2000)
- 作者机构：
  
  上海交通大学自动化研究所,上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.4
- Published：2000
- 稿件说明：
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CHEN Pei, XU Xiao-ming, ZHANG Wei-dong, et al. An Improvement to Sluzek's Moment Invariant Method[J]. Acta Electronica Sinica, 2000, 28(10): 45-48.
DOI：

CHEN Pei, XU Xiao-ming, ZHANG Wei-dong, et al. An Improvement to Sluzek's Moment Invariant Method[J]. Acta Electronica Sinica, 2000, 28(10): 45-48. DOI：

摘要

本文首先分析Sluzek方法的思想即:减小方差而同时尽可能不减小不同类之间的均值差;然后分析了该方法的不足之处

证明了存在改进的可能性;并且提出了改进方法

即把目标分割为n个矩等分圆环

分别计算其矩不变量

从中选取某几个量作为识别指标;最后通过例子证实了本文方法的改进效果.

Abstract

In this paper

Sluzek's method is investigated.Its advantage lies in decreasing moments' variance and in making full use of discriminating difference between two classes as possible.Its disadvantage is its inability of discriminating two similar classes whose differences lie in the middle.In this paper we will prove in a general form that there is much chance of improving this method

and present a new method.The prototype object is partitioned into

rings of equal moment

and the moment invariants corresponding to these circles are computed

from which some are selected as the descriptors of the objects.Finally

the improving effect of our method is verified by some examples.

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