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Abstract

Summary

Seismic data is the non-stationary signal, deep reflection signal is weak, and low signal-to-noise ratio, which challenges extracting geological information. We present an adaptive progressive denoising method that enhances the signal-noise ratio of weak signal data. Unlike traditional methods that use a global noise variance, we calculate local noise variances using a Laplacian mask, which adapts to the varying characteristics of seismic data. By leveraging this local variance, we apply a Gaussian bilateral kernel to suppress high-amplitude noise in the time domain and low-amplitude noise in the frequency domain. The method extends to three dimensions by adjusting kernel parameters during iterative updates. Tests field seismic data confirm the method’s effectiveness and adaptability, showing superior performance in improving SNR compared to dictionary learning and optimal damped rank reduction method.

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/content/papers/10.3997/2214-4609.202510388
2025-06-02
2026-02-07
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References

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