Regularization of the AVO inverse problem by means of a ...

CHAPTER 5. THREE-TERM AVO INVERSION 68
Time (s)
a)
Time (s)
a) b) c)
0.2
0.2
0.2
0.4
0.6
−0.2 0 0.2
0.4
0.6
−0.2 0 0.2
0.4
0.6
−0.2 0 0.2
Figure 5.7: (a) P-wave reflectivity (RMSEA = 0.0391), (b) S-wave reflectivity
(RMSEB = 0.0611), and (c) density reflectivity (RMSEC = 0.0328) retrieved
from data with S/N=4 using Univariate Cauchy as a priori.
0.2
0.4
0.6
100
Offset (m)
1100 2100
b)
0.2
0.4
0.6
100
Offset (m)
1100 2100
c)
0.2
0.4
0.6
100
Offset (m)
1100 2100
Figure 5.8: (a) The input data (S/N=4), (b) the predicted data, and (c) the difference
between the input and the predicted data using Univariate Cauchy as a
priori.
0.04
0.02
0
-0.02
-0.04