基于快速自适应非局部均值滤波的地震随机噪声压制方法

崔亚彤, 王胜侯, 蔡忠贤

Seismic random noise attenuation method based on the fast adaptive non-local means filtering algorithm

CUI Ya-Tong, WANG Sheng-Hou, CAI Zhong-Xian

图1 滤波参数h2分布 a—无噪声的数据;b—加噪数据;c—最小方差估计的参数分布情况;d—相似度标准差的参数分布情况

Fig.1 Distribution of the filtering parameter h2 a—noise-free data;b—noisy data;c—parameter distribution of minimum variance estimation;d—parameter distribution of standard deviation of similarity