Improving the quality control of seismic data through active learning

• URL: http://arxiv.org/abs/2201.06616v2
• Date: Thu, 20 Jan 2022 15:00:50 GMT
• Title: Improving the quality control of seismic data through active learning
• Authors: Mathieu Chambefort, Rapha\"el Butez, Emilie Chautru and Stephan Cl\'emen\c{c}on
• Abstract summary: In image denoising problems, the increasing density of available images makes an exhaustive visual inspection impossible. We propose a novel active learning methodology to sequentially select the most relevant data.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: In image denoising problems, the increasing density of available images makes an exhaustive visual inspection impossible and therefore automated methods based on machine-learning must be deployed for this purpose. This is particulary the case in seismic signal processing. Engineers/geophysicists have to deal with millions of seismic time series. Finding the sub-surface properties useful for the oil industry may take up to a year and is very costly in terms of computing/human resources. In particular, the data must go through different steps of noise attenuation. Each denoise step is then ideally followed by a quality control (QC) stage performed by means of human expertise. To learn a quality control classifier in a supervised manner, labeled training data must be available, but collecting the labels from human experts is extremely time-consuming. We therefore propose a novel active learning methodology to sequentially select the most relevant data, which are then given back to a human expert for labeling. Beyond the application in geophysics, the technique we promote in this paper, based on estimates of the local error and its uncertainty, is generic. Its performance is supported by strong empirical evidence, as illustrated by the numerical experiments presented in this article, where it is compared to alternative active learning strategies both on synthetic and real seismic datasets.

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