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Communication dans un congrès

Uniform discrete curvelet transform for seismic processing

Abstract : A novel implementation of the discrete curvelet transform is proposed in this work. The transform is based on the Fast Fourier Transform (FFT) and has the same order of complexity as the FFT. The discrete curvelet functions are defined by a parameterized family of smooth windowed functions that are 2-pi periodic and form a partition of unity. The transform is named the Uniform Discrete Curvelet Transform (UDCT) because the centers of the curvelet functions at each resolution are located on a uniform grid. The forward and inverse transforms form a tight frame, in the sense that they are the exact transpose of each other. The novel discrete transform has several advantages over existing transforms, such as lower redundancy, hierarchical data structure, ease of implementation and possible extension to N dimension. Finally, we present a simple initial application of the UDCT in sparseness constraint seismic data interpolation to recover missing traces.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00535845
Contributeur : Herve Chauris <>
Soumis le : samedi 13 novembre 2010 - 14:09:11
Dernière modification le : jeudi 24 septembre 2020 - 16:34:06

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  • HAL Id : hal-00535845, version 1

Citation

Truong Nguyen, Hervé Chauris. Uniform discrete curvelet transform for seismic processing. 70th EAGE Conference and Technical Exhibition, Eur. Ass. of Geoscientists and Engineers, Jun 2008, Rome, Italy. pp.P066. ⟨hal-00535845⟩

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