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Medical & Biological Engineering & Computing

Erschienen in:

01.11.2007 | Special Issue

Entropy improvement by the Temporal-Window method for Alternating and Non-Alternating 3D wavelet transform over angiographies

verfasst von: Encarnación Moyano-Ávila, Luis Orozco-Barbosa, Francisco J. Quiles

Erschienen in: Medical & Biological Engineering & Computing | Ausgabe 11/2007

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Abstract

The three-dimensional wavelet transform (3D-WT) has been proposed for volumetric data coding, since it can provide lossless coding and top-quality reconstruction: two key features highly relevant to medical imaging applications. In this paper, we present experimental results for four new algorithms based on the Classic 3D-WT. The proposed algorithms are capable of obtaining the wavelet coefficients after the spatial and, mainly, the temporal decomposition processes, reducing most redundancies in the video sequence and getting lower entropy values than the Classic algorithm. The new algorithms are based on the Temporal-Window method for carrying out the temporal decomposition. We have conducted a set of experimental evaluations for a representative data set of a modality of intrinsically volumetric medical imaging: angiography sequences.

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Titel: Entropy improvement by the Temporal-Window method for Alternating and Non-Alternating 3D wavelet transform over angiographies
verfasst von: Encarnación Moyano-Ávila
Luis Orozco-Barbosa
Francisco J. Quiles
Publikationsdatum: 01.11.2007
Verlag: Springer-Verlag
Erschienen in: Medical & Biological Engineering & Computing / Ausgabe 11/2007
Print ISSN: 0140-0118
Elektronische ISSN: 1741-0444
DOI: https://doi.org/10.1007/s11517-007-0254-2

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