GRADIENT-BASED EDGE-DETECTION USING NONLINEAR EDGE ENHANCING PREFILTERS

被引:35
|
作者
HARDIE, RC [1 ]
BONCELET, CG [1 ]
机构
[1] UNIV DELAWARE,DEPT ELECT ENGN,NEWARK,DE 19716
关键词
D O I
10.1109/83.469938
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This correspondence examines the use of nonlinear edge enhancers as prefilters for edge detectors. The filters are able to convert smooth edges to step edges and suppress noise simultaneously. Thus, false alarms due to noise are minimized and edge gradient estimates tend to be large and localized. This leads to significantly improved edge maps.
引用
收藏
页码:1572 / 1577
页数:6
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