[SciPy-user] hough transform

stephen emslie stephenemslie at gmail.com
Fri Aug 4 05:00:48 CDT 2006


Thanks very much Stefan, this is very useful to me!

I wonder how easy/hard it would be to adapt this for the generalized hough
transform?

Stephen Emslie

On 8/3/06, Stefan van der Walt <stefan at sun.ac.za> wrote:
>
> Hi Stephen
>
> On Thu, Aug 03, 2006 at 01:34:51PM +0100, stephen emslie wrote:
> > I'd like to perform a hough transform (http://en.wikipedia.org/wiki/
> > Hough_transform) on an image as part of a template matching algorithm.
> >
> > I've looked around scipy and numpy and I couldn't find any sign of the
> Hough
> > transform, but it seems to be a fairly routine operation in image
> processing so
> > I was wondering if anyone had written an implementation (or perhaps if
> it is
> > already in scipy and I'm just missing it).
>
> I attach code for the straight line Hough transform.  I saw a post
> earlier which refers to another implementation.  They are similar, but
> this one is vectorised, which should provide a speed improvement.
>
> Regards
> Stéfan
>
>
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