[chbot] Vision processing side project.

Carl Ranson chchrobotics@lists.linuxnut.co.nz
Wed, 23 May 2007 18:16:40 +1200


Andrew Errington wrote:

>So, is the indicator line in the top right derived from the Hough 
>Transform?  Does your demo run in real time (i.e. can you rotate the 
>barcode and have the yellow line rotate accordingly)?
>
>  
>
If anyone just can't wait to see how it works, here's a good java demo 
of the hough transform.
http://www.cs.tu-bs.de/rob/lehre/bv/HNF.html

Draw lines in the left pane then put the cusor over the bright spots on 
the right pane. You'll see how things translate from normal to hough space.

Its a cool bit of maths. I really admire the sort of people who dream 
this stuff up.
CR