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Coherent noise removal in seismic data with dual-tree M-band wavelets

Abstract : Seismic data and their complexity still challenge signal processing algorithms in several applications. The advent of wavelet transforms has allowed improvements in tackling denoising problems. We propose here coherent noise filtering in seismic data with the dual-tree M-band wavelet transform. They offer the possibility to decompose data locally with improved multiscale directions and frequency bands. Denoising is performed in a deterministic fashion in the directional subbands, depending of the coherent noise properties. Preliminary results show that they consistently better preserve seismic signal of interest embedded in highly energetic directional noises than discrete critically sampled and redundant separable wavelet transforms.
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Submitted on : Tuesday, September 18, 2012 - 5:07:30 PM
Last modification on : Saturday, January 15, 2022 - 3:55:59 AM


  • HAL Id : hal-00733485, version 1



Laurent Duval, Caroline Chaux, Stéphane Ker. Coherent noise removal in seismic data with dual-tree M-band wavelets. SPIE 2007 Wavelets XII, Aug 2007, San Diego, United States. pp. 67011W. ⟨hal-00733485⟩



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