Velocity-independent time-domain seismic imaging using local event slopes |

One can choose to perform normal moveout in the slant-stack
(-) domain rather than the original - domain. In
the - domain, hyperbolas turn into ellipses but the moveout
correction problem remains
(Stoffa et al., 1981). Differentiating the - moveout
equation

which resolves in the oriented velocity-free moveout equation analogous to equation 3

Combining equations 5 and 7 produces the corresponding velocity mapping equation

2013-07-26