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<DIV><FONT face=Arial size=2>I am having trouble to register two small images
coming from the remote sensing area, one a radar image and the other one from an
optical sensor. Mutual information hould work for this case as it does in
medicine, to test it I used an application written by the ORFEO project from
CNES. But trying with a large set of different parameters for the optimization
(gradient descent) and for the measure (Viola and Wells or Mattes).</FONT></DIV>
<DIV><FONT face=Arial size=2>I have therefore used the small program of Lydia Ng
to observe the behaviour of the function to be optimized. But the results
are quite astonishing, as I can not see a global maximum but a plateau like
maximum. If this is the real shape, it is no wonder that I can not register the
function, as there are a compact set of maxima. I suppose this strange shape
comes froom the perameter settings, but I just used the default values that
Lydia put in her code, and any variation showed the same shape.</FONT></DIV>
<DIV><FONT face=Arial size=2>Is anybody aware of settings I could try to see if
this shape changes and produces a smooth surface with a well identified
maximum?</FONT></DIV>
<DIV><FONT face=Arial size=2>regards</FONT> </DIV></BODY></HTML>