[Insight-users] Questions about Canny edge detector

[Karthik Krishnan]

On Tue, Jul 20, 2010 at 3:18 AM, qi yang <tinaqiyang at gmail.com> wrote:

> Hi All,
>
> Recently I am checking the source code of the Canny filter in ITK, as
>


> And now it is programed in the way that only the same sigma value in
> each direction is allowed, but actually Gaussion filter allows
> different sigma values in different direction.
>

No. The overloaded API SetVariance( array ) exists in addition to the one
that accepts a single scalar value in. So you can set non-isotropic sigmas.
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