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Gradient of an Image [message #33721] Thu, 23 January 2003 22:09
Thomas Gutzler is currently offline  Thomas Gutzler
Messages: 44
Registered: November 2002
Member
Hi,

is it true that IDL currently has no function to calculate the gradient
of an image ?
Google found this for me:
http://groups.google.com/groups?q=gradient+image+group:comp. lang.idl-pvwave&hl=en&lr=&ie=UTF-8&oe=UTF-8& amp;selm=3396D128.4CE0%40dlr.de&rnum=1
and I am about to test, if this is doing the same as "Digital Image
Processing" by Gonzales/Woods sais on page 418ff.
Would be interesting to know, if anybody else has diffent (quicker?)
solutions.

thx,
Tom

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