Transform-based image enhancement algorithms with performance measure

被引：77

作者：

Grigoryan, AM ^{[1
]}

Agaian, SS ^{[1
]}

机构：

[1] Univ Texas, Dept Elect Engn, San Antonio, TX 78249 USA

来源：

ADVANCES IN IMAGING AND ELECTRON PHYSICS, VOL 130 | 2004年 / 130卷

关键词：

D O I：

10.1016/S1076-5670(04)30002-9

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Various image enhancement methods such as spatial domain methods, including region-based and rational-morphology-based methods, were discussed. The spatial domain methods discussed included unsharp masking, histogram equalization, contrast stretching, and modified cosine function. The basic idea behind frequency domain method consists in transforming the image, manipulating the transform coefficients, and performing then the inverse transformation. The improvements achieved in image quality after enhancement are also discussed.

引用

页码：165 / 242

页数：78

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