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Global Geology 2016, 19(2) 109-116 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Study of formation boundary and dip attribute extraction based on edge detection technology |
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WANG Yanbo, SUN Jianguo and SONG Chao |
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College of Geo- Exploration Science and Technology,Jilin University,Changchun 130026,China |
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Abstract:
In the seismic profile interpretation process,as the seismic data are big and the small geological fea- tures are difficult to identify,improvement of the efficiency is needed. In this study,structure tensor method in computer image edge detection processing is applied into the 2D seismic profile. Coherent attribute is used to extract formation edge. At the same time,extracting the eigenvalues and eigenvectors to calculate the seismic geometric properties which include dip and apparent dip,automatic identification is achieved. Testing the Gaussian kernel function with synthetic models and comparing the coherent attribute and dip attribute extraction results before and after,the conclusion that Gaussian filter can remove the random noise is obtained. |
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Keywords:
edge detection
structure tensor
coherent attribute
dip attribute
Gaussian kernel smooth filter
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Received Revised Online: |
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