Integration of an Iterative Update of Sparse Geologic Dictionaries with ES-MDA for History Matching of Channelized Reservoirs

Table 6

Comparison of computational costs required for dictionary construction and update.

ES-MDA algorithm	Computational costs (min)
ES-MDA	0.0
ES-MDA-DCT	0.0
ES-MDA-K-SVD	218.0
ES-MDA-DCT-K-SVD	5.7
ES-MDA-DCT-i-K-SVD	21.4 (=5.7 + 15.7)