Method for designing and applying a Kaiser window filter for enlarging or reducing an image
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United States of America Patent
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Mar 15, 1994
Issued Date -
N/A
app pub date -
Jan 8, 1993
filing date -
Dec 31, 1990
priority date (Note) -
Expired
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Abstract
The present invention relates to a method of designing a Kaiser window filter. The filter is applied to an input image to generate a resized output image while preserving the information content of the input image. The method of mapping the output image space to the input image space of the present invention aligns the boundaries of the input image space with the boundaries of a set of new input pixels, and the coordinate points of the output pixels map to corresponding coordinate points of the new input pixels.
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