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

Figure 2

Construction of sparse geologic dictionaries using DCT and K-SVD: (a) training image, (b) generation of initial channel models () using SNESim, (c) transformation of into DCT coefficients, (d) construction of and from using K-SVD in DCT domain, and (e) reconstruction of from and .