Image segmentation by a dynamic thresholding using edge detection based on cascaded uniform filters

被引：14

作者：

Dai, M ^{[1
]}

Baylou, P ^{[1
]}

Humbert, L ^{[1
]}

Najim, M ^{[1
]}

机构：

[1] UNIV BORDEAUX 3,INST GEODYNAM,EQUIPE IMAGE,F-33405 TALENCE,FRANCE

来源：

SIGNAL PROCESSING | 1996年 / 52卷 / 01期

关键词：

image segmentation; gray level thresholding; illumination; edge detection; cascaded uniform filters; dynamic thresholding;

D O I：

10.1016/0165-1684(96)00061-8

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new method for gray level thresholding is presented in this paper. First, the edge pixels can be localized by the difference between two cascaded uniform filters with different scales, Then, considering the gray level value of an edge pixel as the ideal threshold for its neighborhood, a dynamic threshold function will be constructed by a dilation process from these primitive thresholds, The experimental results we provide in this paper show that this technique is very effective in segmenting images taken under non-uniform illuminations.

引用

页码：49 / 63

页数：15

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