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http://dx.doi.org/10.7582/GGE.2014.17.2.088

Wavelet Based Matching Pursuit Method for Interpolation of Seismic Trace with Spatial Aliasing  

Choi, Jihun (Dept. of Natural Resources and Geoenvironmental Engineering, Hanyang Univ.)
Byun, Joongmoo (Dept. of Natural Resources and Geoenvironmental Engineering, Hanyang Univ.)
Seol, Soon Jee (Dept. of Natural Resources and Geoenvironmental Engineering, Hanyang Univ.)
Publication Information
Geophysics and Geophysical Exploration / v.17, no.2, 2014 , pp. 88-94 More about this Journal
Abstract
Due to mechanical failure or geographical accessibility, the seismic data can be partially missed. In addition, it can be coarsely sampled such as crossline of the marine streamer data. This seismic data that irregular sampled and spatial aliased may cause problems during seismic data processing. Accurate and efficient interpolation method can solve this problem. Futhermore, interpolation can save the acquisition cost and time by reducing the number of shots and receivers. Among various interpolation methods, the Matching Pursuit method can be applied to any sampling type which is regular or irregular. However, in case of using sinusoidal basis function, this method has a limitation in spatial aliasing. Therefore, in this study, we have developed wavelet based Matching Pursuit method that uses wavelet instead of sinusoidal function for the improvement of dealiasing performance. In addition, we have improved interpolation speed by using inner product instead of L-2 norm.
Keywords
interpolation; aliasing; wavelet; Matching Pursuit;
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