Rational unsharp masking technique

被引：46
|
作者：
Ramponi, G [1 ]
Polesel, A [1 ]
机构：
[1] Univ Trieste, DEEI, I-34127 Trieste, Italy
来源：
JOURNAL OF ELECTRONIC IMAGING | 1998年 / 7卷 / 02期
关键词：
D O I：
10.1117/1.482649
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The linear unsharp masking technique used in image contrast enhancement is modified in this article by introducing a control term expressed as a rational function of the local input data. In this way noise amplification is avoided and, at the same time, overshoot effects on sharp edges are limited. Experimental results support the validity of the method even as a preprocessor for interpolation systems. (C) 1998 SPIE and IS&T. [S1017-9909(98)00702-8].
引用
收藏
页码：333 / 338
页数：6
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