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基于Shearlet变换的非局部均值地震噪声压制
王金刚
1
,
2
(
), 安勇
1
,
2
(
), 徐振旺
3
Seismic noise suppression using non-local means algorithm based on the Shearlet transform
WANG Jin-Gang
1
,
2
(
), AN Yong
1
,
2
(
), XU Zhen-Wang
3
图1.
不同方向的sobel算子模版
Fig.1.
Sobel operators templates in different directions