Random noise attenuation by 3D Multi-directional vector median filter

doi:10.1016/j.jappgeo.2018.09.021

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院页岩气与地质工程重点实验室

	Random noise attenuation by 3D Multi-directional vector median filter
	Wu, Shaojiang 1,2; Wang, Yibo 1; Di, Zhixin 3; Chang, Xu 1
刊名	JOURNAL OF APPLIED GEOPHYSICS
	2018-12-01
卷号	159 页码:277-284
关键词	Noise attenuation Median filter Seismic data Multi-directional operator
ISSN号	0926-9851
DOI	10.1016/j.jappgeo.2018.09.021
英文摘要	Noise attenuation is an important data processing step in exploration geophysics, which is used to extract useful information or improve the signal to noise ratio (SNR) from the raw measurements. The vector median filter (VMF), as an extension of the scalar median filter (SMF), can efficiently suppress random noise and preserve discontinuities of the spreading structures within the data, but it faces questions of how to define a minimum distance and what appropriate additional constraints should be introduced for a reasonable unique median-output vector. Additionally, to avoid uncertainty in data processing using the 2D-VMF method and to more reasonably describe the 3D seismic cube, this study introduces a 3D multi-directional VMF. The new 3D-MDVMF method primarily consists of two steps: 1) detecting the main local dip using some trial angles with a similarity judgement and 2) applying the filter with the constraints for noise suppression and structure enhancement. Synthetic simulated data and marine data are tested. The results show that the proposed method can enhance local dip detection, separate the random noise, and well preserve discontinuities of the structures. This method might be significant for general noise attenuation for data containing spreading structures. (C) 2018 Elsevier B.V. All rights reserved.
资助项目	National Basic Research Program of China (973 Program)[2015CB258500]
WOS研究方向	Geology ; Mining & Mineral Processing
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000453644600027
资助机构	National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/90290]
专题	地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者	Wang, Yibo
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China 3.Sinopec Geophys Corp, Shengli Branch, Dongying 257086, Peoples R China
推荐引用方式 GB/T 7714	Wu, Shaojiang,Wang, Yibo,Di, Zhixin,et al. Random noise attenuation by 3D Multi-directional vector median filter[J]. JOURNAL OF APPLIED GEOPHYSICS,2018,159:277-284.
APA	Wu, Shaojiang,Wang, Yibo,Di, Zhixin,&Chang, Xu.(2018).Random noise attenuation by 3D Multi-directional vector median filter.JOURNAL OF APPLIED GEOPHYSICS,159,277-284.
MLA	Wu, Shaojiang,et al."Random noise attenuation by 3D Multi-directional vector median filter".JOURNAL OF APPLIED GEOPHYSICS 159(2018):277-284.