DATA AND MODEL UNCERTAINTY ESTIMATION FOR LINEAR INVERSION

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GHOLAMI A.; JAVAHERIAN A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: IRANIAN GEOPHYSICS CONFERENCE
Year:2006 | Issue:12

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Title

DATA AND MODEL UNCERTAINTY ESTIMATION FOR LINEAR INVERSION

Author(s)

GHOLAMI A. | JAVAHERIAN A.

Keywords

CONFIDENCE INTERVALS

ERROR ANALYSIS

INVERSION

L-CURVE

Abstract

INFORMATION ABOUT THE ERRORS IN THE OBSERVATIONS IS ESSENTIAL TO SOLVE ANY INVERSE PROBLEM; OTHERWISE, IT IS IMPOSSIBLE TO ESTIMATE TRUE MODEL. IN PRACTICE, HOWEVER, ESPECIALLY WITH SINGLE REALIZATION OF EXPERIMENT, ONE SELDOM HAS A DIRECT ESTIMATE OF THE DATA ERRORS. HERE WE EXPLOIT THE TRADE-OFF BETWEEN DATA PREDICTION AND MODEL OR DATA STRUCTURE TO DETERMINE BOTH MODEL-INDEPENDENT AND MODEL BASED ESTIMATES OF THE NOISE CHARACTERISTICS FROM A SINGLE REALIZATION OF THE DATA. NOISE ESTIMATES WITH OTHER INFORMATION ABOUT MODEL PARAMETERS ARE THEN USED TO CONSTRUCT CONFIDENCE INTERVALS ABOUT THE FINAL MODEL THAT ARE TIGHTER THAN PRIOR INFORMATION AND AGREE WITH PRIOR CONSTRAINTS. WE ILLUSTRATE OUR METHODS WITH SYNTHETIC EXAMPLE OF VERTICAL SEISMIC PROFILING (VSP).

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APA: Copy

GHOLAMI, A., & JAVAHERIAN, A.. (2006). DATA AND MODEL UNCERTAINTY ESTIMATION FOR LINEAR INVERSION. IRANIAN GEOPHYSICS CONFERENCE. SID. https://sid.ir/paper/906528/en

Vancouver: Copy

GHOLAMI A., JAVAHERIAN A.. DATA AND MODEL UNCERTAINTY ESTIMATION FOR LINEAR INVERSION. 2006. Available from: https://sid.ir/paper/906528/en

IEEE: Copy

A. GHOLAMI, and A. JAVAHERIAN, “DATA AND MODEL UNCERTAINTY ESTIMATION FOR LINEAR INVERSION,” presented at the IRANIAN GEOPHYSICS CONFERENCE. 2006, [Online]. Available: https://sid.ir/paper/906528/en

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