downsampling the filtered image

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sheno39
sheno39 2013-11-7
评论： sheno39 2013-11-7
i have iteratively filtered the image using low pass filtering. now i need to downsample the filtered images. how to implement?

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Matt J
Matt J 2013-11-7
By indexing, perhaps, e.g.,
x=1:10;
xdownsampled=x(1:2:end);
Or, if downsampling at non-integer locations, by interpolation. See griddedInterpolant().
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Matt J
Matt J 2013-11-7
Yes, using the methods I mentioned. Or IMRESIZE.

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