[SciPy-user] hough transform

Stefan van der Walt stefan at sun.ac.za
Thu Aug 3 14:21:45 CDT 2006

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.

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