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.
|Journal||IEEE Transactions on Geoscience and Remote Sensing|
|Early online date||31 May 2021|
|Publication status||E-pub ahead of print - 31 May 2021|
- 3-D time-shift
- 4-D seismic
- Biomedical optical imaging
- Computer architecture
- Deep learning
- deep learning
- neural network
- Neural networks
- unsupervised learning.
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Earth and Planetary Sciences(all)