In the latest article in his Industry Insights series, Andrew Long discusses the important similarities and distinctions between RTM (Reverse Time Migration), LS-RTM (Least-Squares RTM) and FWI (Full Waveform inversion), and also relates their fundamental reliance upon back-projection to Deep Neural Network training used in many machine learning pursuits.
This article also accompanies the TechByte webinars on LSM and AVO. You can find both the article and the webinars on pgs.com.
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