Common midpoint versus common offset acquisition geometry in seismic imaging

Raluca  Felea; Venkateswaran P.  Krishnan; Clifford J.  Nolan; Eric Todd Quinto

doi:10.3934/ipi.2016.10.87

Article Contents

2016, Volume 10, Issue 1: 87-102. Doi: 10.3934/ipi.2016.10.87

This issue Previous Article The topological gradient method for semi-linear problems and application to edge detection and noise removal Next Article Factorization method in inverse interaction problems with bi-periodic interfaces between acoustic and elastic waves

Common midpoint versus common offset acquisition geometry in seismic imaging

1.
School of Mathematical Sciences, Rochester Institute of Technology, Rochester, NY 14623
2.
TIFR Centre for Applicable Mathematics, Post Bag No. 6503, GKVK Post Office, Sharada Nagar, Chikkabommasandra, Bangalore, Karnataka 560065
3.
Department of Mathematics and Statistics, University of Limerick, Castletroy, Co. Limerick
4.
Department of Mathematics, Tufts University, Medford, MA 02155

Received: December 2014

Revised: June 2015

Published: February 2016

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Abstract

We compare and contrast the qualitative nature of backprojected images obtained in seismic imaging when common offset data are used versus when common midpoint data are used. Our results show that the image obtained using common midpoint data contains artifacts which are not present with common offset data. Although there are situations where one would still want to use common midpoint data, this result points out a shortcoming that should be kept in mind when interpreting the images.

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Mathematics Subject Classification: 58J40, 57R45, 86A15, 86A22, 35S30.

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