[Insight-users] MI registration update

[Lydia Ng]

> ... Does increasing the rotation scale limit its
> "locking" radius, ie it makes it harder to find a larger rotation =
value?

Not having done any systematic experimentation - I think that's what I =
would
expect.

- Lydia

> -----Original Message-----
> From: Dill, John [mailto:john-dill at uiowa . edu]
> Sent: Monday, December 01, 2003 1:16 PM
> To: Lydia Ng; insight-users at itk . org
> Subject: RE: [Insight-users] MI registration update
>=20
> > Are you scaling you doing any scaling now?
> >
> > One experiment you could try is to set hold the scaling for
> > the rotation
> > parameters fixed and vary the translation parameters.
> > The smaller the translation parameter scales the "tighter" the =
allowed
> > rotation.
>=20
> I had originally increased the rotation scaling parameter, which I =
assume
> is
> equivalent to decreasing the tx scaling parameter because I was =
getting
> jumps in the rotation of like 360 degrees and increased the rotation =
scale
> until it stopped.  I am going to do an experiment just like you =
suggested,
> but wanted to make sure of any other possibilities that might tighten =
the
> rotation parameter range.  Does increasing the rotation scale limit =
its
> "locking" radius, ie it makes it harder to find a larger rotation =
value?
>=20
> Thanks,
> John