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The subtraction method is a compelling alternative to the
filtering scheme. So far, the results of the two methods are
comparable. However, this study shows that the
correlation between the noise and signal can be incorporated in the
inverse problem if we add a regularization term. I intend to
investigate this possibility in more detail to see whether the
subtraction method can yield more accurate noise filtering.

** Next:** Conclusion
** Up:** Subtracting coherent noise
** Previous:** Subtracting the coherent noise
Stanford Exploration Project

4/29/2001