Re: Sobel

Is it what the "reference" implementation returns? Either way the sign is valuable info. +1 for returning the actual filter output. On Thu, Nov 20, 2014 at 11:25 AM, Johannes Schoenberger <jsch@demuc.de> 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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