History Matching of a Channelized Reservoir Using a Serial Denoising Autoencoder Integrated with ES-MDA

Figure 7

Construction of sparse geologic dictionaries using K-SVD without and with DCT: (a) training image, (b) generation of the initial channel models () using SNESIM, (c) organization of the models in a matrix, (e) transformation of into DCT coefficients, and construction of and from using K-SVD in (d) facies domain and (f) in DCT domain.