NDLI: Study on igneous rocks identification using full gradient of potential field based on discrete cosine transform

Content Provider	IEEE Xplore Digital Library
Author	Hu Weijian Hao Tianyao Jiang Weiwei Xu Ya Huang Song
Copyright Year	2012
Description	Author affiliation: Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (Hu Weijian; Hao Tianyao; Jiang Weiwei; Xu Ya; Huang Song)
Abstract	Edge detection and enhancement techniques are usually used in identifying the boundary of geologic bodies using potential field data. In this paper, we present an igneous rocks identification method using full gradient of potential field based on discrete cosine transform. Rocks physical properties for igneous rocks usually have high-density and high magnetic susceptibility, with strong gravity or magnetic anomaly. So it's available to identify the boundaries and distribution of igneous rocks using full gradient of gravity and magnetic anomalies method. Discrete cosine transform was used in computing full gradient of potential field to improve the computational speed and accuracy. The modeling test proves good results based on the method we have discussed. Using this method, we identified igneous rocks distribution of northwestern South China Sea and its adjacent regions.
Starting Page	2707
Ending Page	2710
File Size	344491
Page Count	4
File Format	PDF
ISBN	9781467311601
ISSN	21536996
e-ISBN	9781467311595
e-ISBN	9781467311588
DOI	10.1109/IGARSS.2012.6350369
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rocks Discrete cosine transforms Gravity Magnetic separation Magnetic susceptibility Magnetic resonance imaging Discrete cosine transform Igneous rocks Potential field
Content Type	Text
Resource Type	Article

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