Sobel

[Michael Aye]

How about establishing a pipeline between a linear ridge detector and 
alignment of the sobels accordingly to the found ridge? Would be a nice 
example maybe?

Michael

On Wednesday, November 19, 2014 4:25:39 PM UTC-8, Johannes Schönberger 
wrote:
>
> Hi, 
>
> Why are we returning the absolute values in the hsobel and vsobel 
> functions? 
>
> I do not see the benefit. 
>
> Johannes 
>
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