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Gaussian filtering of zero-padded and circularized 1-D data

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company name:
Rex Cheung
license: Shareware
minimum requirements: No special requirements.
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Gaussian filtering of zero-padded and circularized 1-D data description
This filter could be extended into a 2D image smoothing filter. The kernel can be switched easily.This is a program to test how a gaussian filter works on a set of 1-D data ae.g. a=[1 10 1 10 1 10 1] --- use this as input or use your own 1D dataThis example uses a gaussian filter extracted from wikipedia:kernel = [0.125 0.625 1 0.625 0.125] for standard normal distributionNOTE: you could extend the size of the kernel, but then you will need to change 1). the size of padding with zeros or edge elements 2). the indices of f and 3). the number of offset elements for the filteredsignal.This filter could be used to compare with the conv function in matlab, but it may give you an intuitive control of your filtering. It could be extendedinto a 2D image filter quite easily for image processing.
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supported os
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Mac OSX
Macintosh
Win All, BSD, Solaris
stats
downloads 309
version 1.0
size in Kb 10
popularity   
1824/370751
user rating 5/10
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