Notes
Slide Show
Outline
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A least squares approach for estimating integrated velocity models from multiple data types
  • Morgan Brown and Bob Clapp
  • 23 April 2001
  • SEP-108, pp. 159-172
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Data Integration - Big Picture
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Systematic vs. Random Error
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Integrated Velocity Estimation
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VSP and seismic don’t tie
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VSP and seismic don’t tie
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VSP and seismic don’t tie
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Decomposing Data Errors
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Decomposing Data Errors
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Decomposing data Errors
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Flawed Approach #1
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Flawed Approach #2
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Systematic Error: Use Physics
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Velocity Pertubation: Physics
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Velocity Pertubation: Prior Information
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Tying everything together
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Velocity Estimation Fitting Goals
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Data example: Illustration of Velocity Estimation only
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VSP data, picks, perturbations
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Velocity Estimation only
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Systematic Error Estimation
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Nonlinear Iteration
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Our Method - Goals
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Example - Using our Method
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Example - Using our Method
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Conclusions
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The Future
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Acknowledgements