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Proceedings Paper

Lattices modeling as support for multigrid and multirate processing of two-dimensional signals
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Paper Abstract

Recently, new image processing techniques have been researched for application in many areas, such as biomedical, telecommunications, multimedia, remote sensing and optics. Multigrid and multirate processing of two-dimensional (2D) signals can be used in order to get a basis and consistent theory. Since it involves many types of lattices due to different grids geometry, they can be used as support of a consistent multirate processing theory for image applications. In this work, the concepts of lattice theory are used to make the rectangular, quincunx and hexagonal grid types modeling. The multirate processing of 2D signals involves also downsampling and upsampling and various types of sampling matrices and their formation are analyzed and grid types determined by them are shown.

Paper Details

Date Published: 5 August 2004
PDF: 9 pages
Proc. SPIE 5431, Targets and Backgrounds X: Characterization and Representation, (5 August 2004); doi: 10.1117/12.540794
Show Author Affiliations
Maria das Gracas de Almeida, Ctr. Federal de Educacao Tecnologica de Minas Gerais (Brazil)


Published in SPIE Proceedings Vol. 5431:
Targets and Backgrounds X: Characterization and Representation
Wendell R. Watkins; Dieter Clement; William R. Reynolds, Editor(s)

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