Resampling on a Pseudohexagonal Grid

This paper investigates resampling techniques on a pseudohexagonal grid. Hexagonal grids are known to be advantageous in many respects for sampling and representing digital images in various computer vision and graphics applications. Currently, a real hexagonal grid device is still difficult to find...

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Bibliographic Details
Published in:CVGIP. Graphical models and image processing 1994-07, Vol.56 (4), p.336-347
Main Authors: Her, I., Yuan, C.T.
Format: Article
Language:English
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Summary:This paper investigates resampling techniques on a pseudohexagonal grid. Hexagonal grids are known to be advantageous in many respects for sampling and representing digital images in various computer vision and graphics applications. Currently, a real hexagonal grid device is still difficult to find. A good alternative for obtaining the advantages of a hexagonal grid is to construct a pseudohexagonal grid on a regular rectangular grid device. In this paper we first describe the options and procedures for constructing such a pseudo-hexagonal grid and then demonstrate techniques of resampling digital images on the pseudohexagonal grid. Four distinct resampling kernels are tested, and their results are illustrated and compared.
ISSN:1049-9652
1557-7643
DOI:10.1006/cgip.1994.1030