by "A.Leopold" <andreas.leopold@[EMAIL PROTECTED]
>
Nov 27, 2008 at 05:51 PM
hi,
not sure, if we are speaking about the same person, but
there is a dissertation (in german) about 'optimal filters in vision'.
give it a try:
http://deposit.d-nb.de/cgi-bin/dokserv?idn=961535989&dok_var=d1&dok_ext=pdf&filename=961535989.pdf
cheers
Edward Jensen schrieb:
> Hi.
>
> The wikipedia article on the Sobel operator mentions that it does not
have
> perfect rotational symmetry and that Scharr improved that by coming up
with
> a new kernel (no citations given). Does anyone know the name of the
article
> in which Scharr addresses this matter?
>
> Thanks in advance!
>
>
