Information measures in scale-spaces

被引：52

作者：

Sporring, J ^{[1
]}

Weickert, J ^{[1
]}

机构：

[1] Univ Copenhagen, Dept Comp Sci, Image Grp, DK-2100 Copenhagen, Denmark

来源：

IEEE TRANSACTIONS ON INFORMATION THEORY | 1999年 / 45卷 / 03期

关键词：

scale-space; Shannon-Wiener entropy; Renyi's generalized entropies; scale selection; size estimation; texture;

D O I：

10.1109/18.761342

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This correspondence investigates Renyi's generalized entropies under linear and nonlinear scale-space evolutions of images. Scale-spaces are useful computer vision concepts for both scale analysis and image restoration. We regard images as densities and prove monotony and smoothness properties for the generalized entropies. The scale-space extended generalized entropies are applied to global scale selection and size estimations. Finally, we introduce an entropy-based fingerprint description for textures.

引用

页码：1051 / 1058

页数：8

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