[Insight-users] parameters in a ".tfm" file

[frédéric salvador]

Dear all,

So as to register 2 images with landmarks initialization I used the
imageRegTool program (LandmarkInitializedMutualInformationRegistration
folder in Insight-Applications).
After the registration I saved the transform (in a ".tfm" file) from the
moving image to the fixed image.
Here is my question:
to what correspond exactly the "Parameters" and "FixedParameters" in the
".tfm" file? Is it an offset? a translation-rotation-scaling transformation
matrix?


#Insight Transform File V1.0
# Transform 0
Transform: AffineTransform_double_3_3
Parameters: 0.776357 0.47836 0.410416 0.22576 0.396901 -0.889664 -0.588474
0.783353 0.200142 -42.5801 98.638 -26.4865
FixedParameters: 65.175 -77.725 42.75


Thank you very much in advance for your answer.

Cordially

Frederic
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