TY - JOUR
T1 - Deep Unsupervised 4-D Seismic 3-D Time-Shift Estimation With Convolutional Neural Networks
AU - Dramsch, Jesper Sören
AU - Christensen, Anders Nymark
AU - Macbeth, Colin
AU - Lüthje, Mikael
PY - 2021
Y1 - 2021
N2 - We present a novel 3-D warping technique for the estimation of 4-D seismic time-shift. This unsupervised method provides a diffeomorphic 3-D time shift field that includes uncertainties, therefore, it does not need prior time-shift data to be trained. This results in a widely applicable method in time-lapse seismic data analysis that is not implicitly biased by supervised time-shifts from other methods. We explore the generalization of the method to unseen data both in the same geological setting and in a different field, where the generalization error stays constant and within an acceptable range across test cases. We further explore upsampling of the warp field from a smaller network to decrease computational cost and see some deterioration of the warp field quality as a result. This method provides an accurate 3-D seismic registration method, where the heavy computation can be preexecuted and the inference of the network taking seconds on consumer hardware.
AB - We present a novel 3-D warping technique for the estimation of 4-D seismic time-shift. This unsupervised method provides a diffeomorphic 3-D time shift field that includes uncertainties, therefore, it does not need prior time-shift data to be trained. This results in a widely applicable method in time-lapse seismic data analysis that is not implicitly biased by supervised time-shifts from other methods. We explore the generalization of the method to unseen data both in the same geological setting and in a different field, where the generalization error stays constant and within an acceptable range across test cases. We further explore upsampling of the warp field from a smaller network to decrease computational cost and see some deterioration of the warp field quality as a result. This method provides an accurate 3-D seismic registration method, where the heavy computation can be preexecuted and the inference of the network taking seconds on consumer hardware.
U2 - 10.1109/TGRS.2021.3081516
DO - 10.1109/TGRS.2021.3081516
M3 - Journal article
VL - 60
JO - I E E E Transactions on Geoscience and Remote Sensing
JF - I E E E Transactions on Geoscience and Remote Sensing
SN - 0196-2892
ER -