Seismic data interpolation method combining Gabor feature extraction and support vector regression
A technology of support vector regression and seismic data, applied in image data processing, instrument, character and pattern recognition, etc., to achieve the effect of low computational cost, excellent reconstruction effect, and excellent reconstruction accuracy
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[0064] The present invention utilizes the synthetic seismic data set and the real seismic data set to carry out different seismic data interpolation experiments under different sampling rates, and uses the signal-to-noise ratio (SNR) as an index to evaluate the reconstruction effect of the seismic data interpolation algorithm, using MATLAB software installed PC for experimental analysis.
[0065] Signal-to-noise ratio (SNR or S / N) refers to the ratio of signal to noise, and its calculation formula is Among them, I n and I represent reconstructed data and original data, respectively.
[0066] In the synthetic seismic data experiment, in the case of seismic trace sampling rate of 25%, four example synthetic seismic data sets were used as training data sets, without missing data, 63504 training set sample points could be extracted from them, and bicubic Interpolation method, SVR, and the method of the present invention are reconstructed, and the reconstructed seismic images ...
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