Seismic full-waveform inversion based on a physics-driven generative adversarial network

• URL: http://arxiv.org/abs/2603.14879v1
• Date: Mon, 16 Mar 2026 06:24:17 GMT
• Title: Seismic full-waveform inversion based on a physics-driven generative adversarial network
• Abstract summary: Full-waveform inversion (FWI) reconstructs subsurface velocity models by iteratively minimizing the misfit between predicted and observed seismic data.<n>FWI produces unstable results when the data are sparse or contaminated by noise.<n>This paper proposes a physics-driven generative adversarial network-based full-waveform inversion method.
• Score: 4.185971789614353
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Objectives: Full-waveform inversion (FWI) is a high-resolution geophysical imaging technique that reconstructs subsurface velocity models by iteratively minimizing the misfit between predicted and observed seismic data. However, under complex geological conditions, conventional FWI suffers from strong dependence on the initial model and tends to produce unstable results when the data are sparse or contaminated by noise. Methods: To address these limitations, this paper proposes a physics-driven generative adversarial network-based full-waveform inversion method. The proposed approach integrates the data-driven capability of deep neural networks with the physical constraints imposed by the seismic wave equation, and employs adversarial training through a discriminator to enhance the stability and robustness of the inversion results. Results: Experimental results on two representative benchmark geological models demonstrate that the proposed method can effectively recover complex velocity structures and achieves superior performance in terms of structural similarity (SSIM) and signal-to-noise ratio (SNR). Conclusions: This method provides a promising solution for alleviating the initial-model dependence in full-waveform inversion and shows strong potential for practical applications.

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