A NOVEL DIFFUSION FILTER FOR IMAGE RESTORATION AND ENHANCEMENT

被引:0
|
作者
Terebes, Romulus [1 ]
Borda, Monica [1 ]
Pop, Sorin [1 ]
Lavialle, Olivier [2 ]
Germain, Christian [2 ]
Ludusan, Cosmin [1 ,2 ]
机构
[1] Tech Univ Cluj Napoca, Cluj Napoca, Romania
[2] CNRS, IMS, UMR 5218, F-33405 Talence, France
来源
REVUE ROUMAINE DES SCIENCES TECHNIQUES-SERIE ELECTROTECHNIQUE ET ENERGETIQUE | 2010年 / 55卷 / 03期
关键词
Diffusion processes; Image restoration; Image orientation analysis; EDGE-DETECTION;
D O I
暂无
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
We are proposing a new filter for image restoration and enhancement tasks that relies on image orientation analysis techniques for steering and directing smoothing or enhancement processes. The filter is developed under the Partial Differential Equations (PDE) framework using asymmetric orientation estimation operators and it has better junction preservation and noise removal properties than existing classical PDE based methods. We employ an experimental setup involving several computer generated images and a statistical interpretation of the results for proving the efficiency of the method in processing images composed of directional textures and degraded by additive Gaussian noise. The algorithm is compared also with state of-the-art non-PDE based methods in filtering images containing oriented patterns.
引用
收藏
页码:310 / 319
页数:10
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