KEYWORDS: 3D image processing, Fourier transforms, Computing systems, Wavelets, Image processing, Electroluminescence, Analog electronics, Medical imaging, Computational mathematics, Video processing
In this paper, we present the first 3D discrete curvelet transform. This transform is an extension to the 2D transform described in Candes et al..1 The resulting curvelet frame preserves the important properties, such as parabolic scaling, tightness and sparse representation for singularities of codimension one. We describe three different implementations: in-core, out-of-core and MPI-based parallel implementations. Numerical results verify the desired properties of the 3D curvelets and demonstrate the efficiency of our implementations.
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