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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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