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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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Alexander Alekhin
2018-10-02 03:21:47 +00:00
committed by Alexander Alekhin
parent ae4c72a153 ee0c985491
commit 690fb0544c
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@@ -56,7 +56,7 @@ Theory
entire pyramid.
- The procedure above was useful to downsample an image. What if we want to make it bigger?:
columns filled with zeros (\f$0 \f$)
- First, upsize the image to twice the original in each dimension, wit the new even rows and
- First, upsize the image to twice the original in each dimension, with the new even rows and
- Perform a convolution with the same kernel shown above (multiplied by 4) to approximate the
values of the "missing pixels"
- These two procedures (downsampling and upsampling as explained above) are implemented by the