Integrating information about edges across scale-space

被引:0
|
作者
GarciaSilvente, M
Garcia, JA
FdezValdivia, J
Garrido, A
机构
关键词
edge detection; scale-space; integration of edges; edge localization;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This paper presents a new scale space-based method to extract edges in gray level images. The scale space representation is used to describe an image at different scales. In order to get the original image edges, an edge detector is applied to each simplified image on the corresponding scale. At best, some form of compromise among the edges at different scale levels may be sought. To overcome this problem, we present a stability criterion to combine edges obtained at different scales. Usual problems in edge detection such as displacement, redundancy and error are analyzed and solved using a realistic estimation of displacement of points across scale space. The proposed approach suppress the finer details without weakening or dislocating the larger scale edges. (usual problems of edge detection using an isotropic diffusion procedure) io a better way than anisotropic diffusion procedures because a tuning function is no needed. The proposed methodology is biologically inspired by the behavior of visual cortex neurones as well as retinal cells.
引用
收藏
页码:693 / 700
页数:8
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