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5 实际地震数据去噪结果 a—实际地震数据;b—传统NLM方法去噪结果;c—基于最小方差估计的NLM去噪结果;d—本文方法去噪结果;e—a与b的差剖面;f—a与c的差剖面;g—a与e的差剖面

Fig.5 Noise attenuation results of field data a—field data;b—denoised result by using conventional NLM method;c—denoised result by using NLM based on minimum variance estimation;d—denoised result by using proposed method;e—difference between a and b;f—difference between a and c;g—difference between a and e