摘要
扩散滤波全称也作相干增强各向异性滤波,是一项尺度空间的图像恢复技术,也是一种定向平滑的技术。与其他平滑技术相比,它具有最优的平滑特性和保持边缘特性。这种滤波方式能压制噪声、提高横向连续性、增强地震数据对层序体内部结构的成像能力。因此,图像噪声的过滤是数字图像处理的重要步骤。
The full name of diffusing filter is coherent enhancement anisotropic filtering,which is a image recovery technique in the scale space,and also is a technique of orientation smoothing.Compared to the other smooth methods,it has a big advantage of smooth and keeping edge characteristic.It plays a significant role in suppressing noise,improving lateral continuity and enhancing the imaging capability of seismic data.So noise filtering is an essential procedure in processing.
引文
[1]孙夕平,杜世通,汤磊.相干增强各向异性扩散滤波技术[J].石油地球物理勘探,2004,12,39(6).
[2]朱丽琪,范雪峰,周志平.基于边缘增强算子的各向异性滤波方法[J].电脑知识与技术,2011,25(17).
[3]徐伯勋等.地震勘探信息技术提取、分析和预测[M].北京:地质出版社,2001,136-138.
[4]陆基孟,王永刚主编.地震勘探原理(第3版)[M].中国石油大学出版社,2011.
[5]胡广书.数字信号处理:理论、算法与实现[M].北京:清华大学出版社,1997:103-107.
[6]陈玉东等.数字信号处理[M].地质出版社,2005,08.
[7]徐凤银等.储层含油气性定量评价中指标权重的确定方法[J].西南石油学院学报,1994,16(4):11-17.
[8]李录明,李正文.地震勘探原理、方法和解释[M].地质出版社,2007.