[Insight-users] Translation, Rotation and Scaling

[Ramón Casero Cañas]

John D wrote:
> Hi all,
> 
>   I am working on an application of registration of 2D images where I want
> translation, rotation and scaling (but no shear). The affine transformation
> has the added degree of freedom for the shear that I want to avoid. Does ITK
> have a transform that uses only translation, rotation and scaling ?


Hi John,

Yes, it is known as a similarity transform. See class 
Similarity2DTransform, documented in sec. 8.8.9 (p. 400) of the ITK User 
Guide, and in the doxygen documentation

http://www.itk.org/Doxygen/html/classitk_1_1Similarity2DTransform.html


Best regards,

Ramon.

-- 
Ramón Casero Cañas, DPhil

Computational Biology, Computing Laboratory
University of Oxford
Wolfson Building, Parks Rd
Oxford OX1 3QD

tlf     +44 (0) 1865 610807
web     http://web.comlab.ox.ac.uk/people/Ramon.CaseroCanas
photos  http://www.flickr.com/photos/rcasero/