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Gaussian filtering of zero-padded and circularized 1-D data 1.0

  Date Added: July 03, 2013  |  Visits: 186

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

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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.

Requirements: No special requirements
Platforms: Matlab
Keyword: Change Compare Elements Filtered Indices Number Offset Padding Signal Zeros
Users rating: 0/10

License: Shareware Size: 10 KB
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