Weighted Median Filter Based on Local Correlation and Its Application to Poststack Random Noise Attenuation

详细信息   

• 责任者：Liu Yang (College of Geo-Exploration Science and Technology ; Jilin University ; Changchun 130026 ; China) ; Wang Dian
• 刊名：Chinese Journal of Geophysics
• 出版年：2011
• 卷期：54(2)
• 关键词：地震滤波 ; seismic filtering
• 页码：p.358-367
• 图表：8 illus., 35 refs.
• 分类号：1600
• issnNo：ISSN0001-5733
• isbnNo：CN11-2074/P

摘要

Attenuation of random noise and enhancement of structural continuity can significantly improve the quality of seismic interpretation. The authors present a technique, which aims at reducing random noise while protecting structural information. The technique is based on weighted median filter and two strategies for structural protection. The authors use local correlation coefficients to improve the characteristics of weighted median filter, and further protect the faults. Meanwhile, local slope attributes are used to form predictive datacube and structural direction, the authors use two different filtering strategies, which combines weighted median filter, to better control the balance between eliminating random noise and protecting structural information.