[SciPy-user] hough transform again (stephen emslie)

[stephen emslie]

> Note that this is *not* the standard Hough transform that operates on
> binary thresholded images. Rather, this an alternate "Hough"
> transform as described in the Shapiro & Stockman book. It takes the
> grayscale image and calculates the gradient at every pixel, discards
> those with a small magnitude and adds the rest to the Hough transform
> array.


Is that similar to the sobel filter?
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