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typo fix

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Ben Li 2020-04-02 21:32:03 -04:00 committed by Alexander Smorkalov
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doc/py_tutorials/py_imgproc/py_houghlines/py_houghlines.markdown
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@ -80,7 +80,7 @@ Probabilistic Hough Transform
In the hough transform, you can see that even for a line with two arguments, it takes a lot of
computation. Probabilistic Hough Transform is an optimization of the Hough Transform we saw. It doesn't
take all the points into consideration. Instead, it takes only a random subset of points which is
sufficient for line detection. Just we have to decrease the threshold. See image below which compares
sufficient for line detection. We just have to decrease the threshold. See image below which compares
Hough Transform and Probabilistic Hough Transform in Hough space. (Image Courtesy :
[Franck Bettinger's home page](http://phdfb1.free.fr/robot/mscthesis/node14.html) )