[Insight-developers] non-cartesian image frames

[Jim Miller]

There is a SpecialCoordinatesImage that be used to represent some types of U/S scans. I imagine not all filters handle the special structure properly but many simple filters should work. 


On Jan 6, 2011, at 12:19 PM, Rupert Brooks <rupert.brooks at gmail.com> wrote:

> Thanks - this was it! I had all the wrong keywords :-P
> 
> The existing PhasedArray3DSpecialCoordinatesImage is pretty similar to
> what i was thinking of.  I can build on that.
> 
> R
> --------------------------------------------------------------
> Rupert Brooks
> rupert.brooks at gmail.com
> 
> 
> 
> 
> On Thu, Jan 6, 2011 at 11:42, Cory Quammen <cquammen at cs.unc.edu> wrote:
>> Rupert,
>> 
>> There was a discussion thread on the list back in October 2010:
>> http://www.itk.org/mailman/private/insight-developers/2010-October/thread.html
>> (I think you need to login with your insight-developers password to
>> view the archive). There hasn't been much discussion since, and for
>> now I've decided to handle my use case (non-uniform z-spacing) in a
>> custom rather than general way. I don't know if anyone is actively
>> working on support for non-Cartesian frames.
>> 
>> I also started a wiki page discussing a possible refactoring of the
>> image class hierarchy:
>> http://www.itk.org/Wiki/ITK_Release_4/Image_Class_Hierarchy_Refactoring.
>> 
>> Cory
>> 
>> On Thu, Jan 6, 2011 at 11:29 AM, Rupert Brooks <rupert.brooks at gmail.com> wrote:
>>> Hi folks,
>>> 
>>> I seem to recall a discussion, or at least a commentary on this list
>>> about the use of non cartesian image frames in ITK.  In particular, I
>>> am thinking of the polar wedge shaped image layout of certain
>>> ultrasound B-scans.  Despite my best efforts at searching, i cant find
>>> the discussion again.
>>> 
>>> Has this been implemented in ITK, or is anyone working on it?
>>> 
>>> Cheers
>>> Rupert
>>> --------------------------------------------------------------
>>> Rupert Brooks
>>> rupert.brooks at gmail.com
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>> 
>> 
>> 
>> --
>> Cory Quammen
>> Computer Integrated Systems for Microscopy and Manipulation (CISMM)
>> Department of Computer Science
>> University of North Carolina at Chapel Hill
>> http://www.cs.unc.edu/~cquammen
>> 
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