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DATE 2017-03-01

LEARN

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MESSAGE
DATE 2017-03-20
FROM Ruben Safir
SUBJECT Subject: [Learn] hough transform - Lecture 9
From learn-bounces-at-nylxs.com Mon Mar 20 17:43:14 2017
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To: herrc-at-rit.edu, rhody-at-cis.rit.edu, learn-at-nylxs.com
From: Ruben Safir
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Date: Mon, 20 Mar 2017 17:43:10 -0400
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Subject: [Learn] hough transform - Lecture 9
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Good afternoom Dr Rhody

I have been studying your wonderful notes on the Hough Transform. They =

are the best review of this material that I've seen, but there is one =

area that has me befuddled. Perhaps there is an error in this part of =

the notes. specifically I am referring to the 9th lecture notes

https://www.cis.rit.edu/class/simg782/lectures/lecture_09/lec782_05_09.pdf

Create a set of counters, one for each parameter pair, initialized to zero.
For each point (x n , y n )
For each a i compute b =3D =E2=88=92a i x n + y n
Find the point (a i , b j ) closest to (a i , b)
Increment counter for (a i , b j )

I'm struggling to understand how this can work. Once we have a valid =

a,b then we need increment it and walk to the next x,y . After all the =

X,Y's are covered, the a,b with the largest incremented value is the =

valid line(s)


Please let me know how I am wrong in this

Sincerely
Ruben Safir MS Comp Sci (candidate 2017)

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