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Technical Content

Industry Article
Geophysics | Yu Zhang, Lian Duan, Yi Xie © 2015 SEG | January

By adapting reverse time migration (RTM) and demigration as the migration and modeling operators to maximize the crosscorrelation between the simulated and the acquired seismic data, we introduced a new practical least-squares RTM (LSRTM) scheme and derived a steepest descent method in seeking the ...