From: Dave Robinson on
"Christoph " <christoph.rothaug(a)tu-ilmenau.de> wrote in message <hfirbb$6c3$1(a)fred.mathworks.com>...
> If you mean this Function: http://www.mathworks.com/access/helpdesk/help/toolbox/images/hough.html
>
> This is only for line-detection. I need a modified Hough-Transformation like this:
> http://matwbn.icm.edu.pl/ksiazki/amc/amc18/amc1818.pdf

Yes you are correct, the IP toolbox only does lines - but dispair not, have a look in the File Exchange, where several kind people have already written circle finding Hough Transforms, some of which have vey high star ratings, and could well be pushed into service for your application.

Regards

Dave Robinson
From: Christoph on
Thanks. I found a lot.