Refinement of Deconvolution by Neural Networks
This chapter presents two seismic deconvolution applications of artificial neural networks. The first application involves a network based upon an adaptive linear combiner (ALC), in order to refine the results of deconvolution. For example, the conventional method of designing a shaping filter for a minimum-delay wavelet, requires the computation of a fixed filter by the method of least-squares. An alternative approach, considered in this chapter, involves an ALC incorporating a learning rule. A fixed filter vector, computed using least-squares, is used as the initial value of the weight vector for the ALC. The ALC then upgrades or refines this weight vector, in order to obtain the final refined filter coefficients. The second application uses a Hopfield neural network to correct for phase rotation, in order to produce an improved zero-phase seismic section, based upon well data.
KeywordsSeismic Section Synthetic Seismogram Phase Rotation Hopfield Neural Network Seismic Trace
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