Edge-preserving prefiltering for document image binarization

被引：0
|
作者：
Fan, LY [1 ]
Tan, CL [1 ]
Fan, LX [1 ]
机构：
[1] Natl Univ Singapore, Sch Comp, Singapore 117543, Singapore
来源：
2001 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL I, PROCEEDINGS | 2001年
关键词：
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
We propose a novel coplanar filter, which exploits the coplanarity of gray-level distribution of neighboring pixels, to pre-filter the document images. Experiments show that the proposed filter exhibits the following desired properties for document image binarization: (1) impulsive noise removal, (2) piecewise smoothing, and (3) sharp edge preservation.
引用
收藏
页码：1070 / 1073
页数：4
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