[ITK-users] Picking corresponding anatomical points -- best software for a clinician?

[Dženan Zukić]

Hi Steve,

in 3DSlicer, pressing shift key (Windows, could be different on Mac) and
moving mouse will select other 2 slices corresponding to mouse position.
Slicer can also save fiducial points list into a file (comma separated
values format).

Regards,
Dženan

On Sun, Dec 4, 2016 at 1:43 PM, Steve M. Robbins <steve at sumost.ca> wrote:

> Hi,
>
> I have an urgent need to acquire some data to validate (medical) image
> registration in a clinical context.  To that end, I plan to sit with
> several
> clinicians and have them identify salient points in two datasets that will
> be
> registered.  Then I plan to use the residual errors of these points after
> registration -- e.g. the median distance -- as a quality metric.
>
> What I'm after right now is a really easy-to-use tool with which the
> clinician
> can pick the points.  So that one can judge the points are indeed
> corresponding: my present thought is to have an MPR view of each image
> volume
> side-by-side; e.g. axial/sagittal/coronal of volume 1 on top of the same
> slices of volume 2.  Or similar.  My main requirement is that a clinician
> who
> is familar with PACS viewers can learn to use it in a minute or so.
>
> The other requirement is that the point coordinates can be saved to a file
> for
> later analysis.  Despite posting to the ITK list: ITK is not a requirement.
>
> My question, briefly, is: what software would you recommend for this
> scenario?
>
> I have briefly looked at 3D Slicer, MITK, Amide, and RegistrationShop.  So
> far,
> 3D Slicer is the only one that I can even find the functionality I want --
> using the LandmarkRegistration module.   I realize this next part may come
> across as whining so let me say up front I mean no denigration of the many
> fine
> folks who put hard work into 3D Slicer!  If I were the one picking the
> points,
> I think the Landmark Registration of 3D Slicer would be fine.  However, the
> clinician will be driving and will typically have limited time and
> patience --
> so I want something reasonably familiar.   For example: in navigating
> through
> the stacks: I can use the scrool wheel or slider to choose a slice.  But
> then
> I have to manipulate all three slices to find a point.  In other software,
> one
> can grab the slice intersection lines and update the other two slices --
> e.g.
> move the coronal and sagittal to intersect a point of interest located on
> the
> axial.    I can turn on slice intersection lines, but it shows
> intersections
> for BOTH volumes, which I don't want as they are not registered.  And when
> I
> use SHIFT to drag around the lines, both volumes are updated.  I need to do
> one volume at a time.
>
> Maybe there is a way to tune the Slicer GUI to my needs?  Or maybe a more
> appropriate module I have overlooked?
>
> For any thoughts: thanks in advance,
> -Steve
>
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