Traveltime computation with the linearized eikonal equation

@inproceedings{Fomel1997TraveltimeCW,
  title={Traveltime computation with the linearized eikonal equation},
  author={Sergey Fomel},
  year={1997}
}
Traveltime computation is an important part of seismic imaging algorithms. Conventional implementations of Kirchhoff migration require precomputing traveltime tables or include traveltime calculation in the innermost computational loop . The cost of traveltime computations is especially noticeable in the case of 3-D prestack imaging where the input data size increases the level of nesting in computational loops. 

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