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End-to-end analysis of hexagonal vs rectangular sampling in digital imaging systems
Burton, John Clifton
Burton, John Clifton
Abstract
The purpose of this study was to compare two common methods for image sampling in digital image processing: hexagonal sampling and rectangular sampling. The two methods differ primarily in the arrangement of the sample points on the image focal plane. In order to quantitatively compare the two sampling methods, a mathematical model of an idealized digital imaging system was used to develop a set of mean-squared-error fidelity loss metrics. The noiseless continuous/discrete/continuous end-to-end digital imaging system model consisted of four independent components: an input scene, an image formation point spread function, a sampling function, and a reconstruction function. The metrics measured the amount of fidelity lost by an image due to image formation, sampling and reconstruction, and the combined loss for the entire system.
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1993
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9403277.pdf
Adobe PDF, 8.06 MB
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Computer Science
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https://dx.doi.org/doi:10.21220/s2-19ge-rt36