IMAGE SELECTIVE SMOOTHING AND EDGE-DETECTION BY NONLINEAR DIFFUSION

被引：1370
|
作者：
CATTE, F [1 ]
LIONS, PL [1 ]
MOREL, JM [1 ]
COLL, T [1 ]
机构：
[1] UNIV ILLES BALEARS, DEPT MATEMAT INFORMAT, PALMA DE MALLORCA, SPAIN
来源：
SIAM JOURNAL ON NUMERICAL ANALYSIS | 1992年 / 29卷 / 01期
关键词：
MULTISCALE IMAGE ANALYSIS; EDGE DETECTION; PARABOLIC EQUATION; NONLINEAR DIFFUSION; STABILITY;
D O I：
10.1137/0729012
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A new version of the Perona and Malik theory for edge detection and image restoration is proposed. This new version keeps all the improvements of the original model and avoids its drawbacks: it is proved to be stable in presence of noise, with existence and uniqueness results. Numerical experiments on natural images are presented.
引用
收藏
页码：182 / 193
页数：12
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