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Open access Sep 2026

A Robust Interval- Q Inversion Method Based on Q -scanning and Spectral Matching

Spectral-ratio (SR) methods for estimating the quality factor (Q) from post-stack seismic data often suffer from numerical instability and are highly sensitive to noise. We propose a robust interval-Q inversion method based on Q-scanning and spectral matching. The method consists of three key steps. First, stationary...

Zhi-Wei Li, Ying Shi, Si-Yuan Chen et al. · 0 citations
2026

High-Resolution Migration With Stable SVD-Based Inverse Hessian Compensation

Conventional Kirchhoff migration is commonly affected by limited resolution, reflector broadening, and sidelobe contamination. Here, we propose DSVD-IHCM, a migration-imaging method that uses singular-value decomposition-based damped inverse Hessian compensation. The method first constructs local point-spread functions...

Li-Wei Song, Yi-Lin Bai, Ying Shi et al. · 0 citations

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