Abstract:Description
A fundamental problem in structural imaging, in addition to the need for fast iterative migration, is that of parametrizing velocity models (Johnson, 1992). Different approaches to parametrizing 3-D velocity models have been previously described in Pereyra (1989), Brat (1992), and Mallet (1989). We have used the Gocad triangular mesh surface representation described in Mallet (1989) to construct 3-D surface models. A simplified version of our approach has been used by Ratcliff(199… Show more
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