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

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Alexander Alekhin
2021-12-15 16:27:21 +00:00
parent 498f1525b2 6a889ed3e5
commit 299f9837b7
26 changed files with 4405 additions and 18 deletions
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doc/tutorials/imgproc/pyramids/pyramids.markdown
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@@ -54,7 +54,7 @@ Theory
- To produce layer \f$(i+1)\f$ in the Gaussian pyramid, we do the following:
- Convolve \f$G_{i}\f$ with a Gaussian kernel:
\f[\frac{1}{16} \begin{bmatrix} 1 & 4 & 6 & 4 & 1 \\ 4 & 16 & 24 & 16 & 4 \\ 6 & 24 & 36 & 24 & 6 \\ 4 & 16 & 24 & 16 & 4 \\ 1 & 4 & 6 & 4 & 1 \end{bmatrix}\f]
\f[\frac{1}{256} \begin{bmatrix} 1 & 4 & 6 & 4 & 1 \\ 4 & 16 & 24 & 16 & 4 \\ 6 & 24 & 36 & 24 & 6 \\ 4 & 16 & 24 & 16 & 4 \\ 1 & 4 & 6 & 4 & 1 \end{bmatrix}\f]
- Remove every even-numbered row and column.