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Re: Image registration using Powell optimization

These papers may be of use to you...

Frederik Maes, Dirk Vandermeulen and Paul Suetens
       Comparative evaluation of multiresolution optimization strategies for multimodality image registration by maximization of mutual information Medical image analysis, vol. 3, no. 4, pp. 373-386, December 1999

Capek,K.: Optimisation Strategies Applied to Global Similarity Based Image Registration Methods
[Conference Paper] 7th International Conference in Central
Europe on Computer Graphics, Visualization and Interactive Digital Media'99. in co-operation with EUROGRAPHICS and IFIP WG 5.10. WSCG'99. Conference
Proceedings. Univ. West Bohemia. Part vol.2, 1999, pp.369-74 vol.2. Plzen, Czech Republic.

 Holmes DR III, Camp JJ, Robb RA. Evaluation of search strategies and cost functions in
optimizing voxel-based image registration. [Conference Paper] SPIE-Int. Soc. Opt. Eng.
Proceedings of Spie - the International Society for Optical Engineering, vol.3031, 1997,
pp.554-62. USA.

There are a few image registration packages that use Powell's Method. One that comes
to mind is the Computerized Brain Atlas-see Journal of Computer Assisted Tomography
21(1):136-144 (1997).

None that I know of that use IDL.

mwirth@snowhite.cis.uoguelph.ca wrote:

> Hi,
> Does anybody have an example of how Powell's optimization procedure can be used
> in the
> context of image registration to find the minimum when trying to calculate the
> optimum match
> using a similarity measure such as mutual information?
> Help would be greatly appreciated,
> many thanks,
> Michael
> mwirth@snowhite.cis.uoguelph.ca

Defunctus adhuc loquitur

Rochelle Hatton
Department of Nuclear Medicine and Ultrasound
Westmead Hospital