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Merge pull request #1877 from tim36272:patch-2

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Roman Donchenko 2013-11-27 17:35:52 +04:00 committed by OpenCV Buildbot
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doc/tutorials/imgproc/imgtrans/warp_affine/warp_affine.rst
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@ -71,7 +71,7 @@ How do we get an Affine Transformation?
a. We know both :math:`X` and `T` and we also know that they are related. Then our job is to find :math:`M`
b. We know :math:`M` and :math:'X`. To obtain :math:`T` we only need to apply :math:`T = M \cdot X`. Our information for :math:`M` may be explicit (i.e. have the 2-by-3 matrix) or it can come as a geometric relation between points.
b. We know :math:`M` and :math:`X`. To obtain :math:`T` we only need to apply :math:`T = M \cdot X`. Our information for :math:`M` may be explicit (i.e. have the 2-by-3 matrix) or it can come as a geometric relation between points.
2. Let's explain a little bit better (b). Since :math:`M` relates 02 images, we can analyze the simplest case in which it relates three points in both images. Look at the figure below: