Browsing NR vitenarkiv by Author "Kolbjørnsen, Odd"
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Bayesian seismic inversion for stratigraphic horizon, lithology, and fluid prediction
Kolbjørnsen, Odd; Buland, Arild; Hauge, Ragnar; Røe, Per; Ndingwan, Abel Onana; Aker, Eyvind (Peer reviewed; Journal article, 2020)We have developed an efficient methodology for Bayesian prediction of lithology and pore fluid, and layer-bounding horizons, in which we include and use spatial geologic prior knowledge such as vertical ordering of ... -
Sampling-Free Bayesian Inference for Local Refinement in Linear Inversion Problems with a Latent Target Property
Sanchis, Charlotte Juliette Semin; Kolbjørnsen, Odd (Journal article; Peer reviewed, 2023)We present a sampling-free probabilistic inversion of latent target property based on the principles of expectation propagation where we estimate the joint distribution of the target variable in a local region. The prior ...