[Insight-users] RE: itk::SparseImage + binary images in general

[BUI XUAN Viet]

Hi Robert,

Yes Hans Johnson replied (directly) to me yesterday and suggested that
what you're thinking of may be possible by deriving from ImageBase and
implementing the storage scheme and data access methods necessary for
the filters and iterators and so on to work properly with it. And that
trying it with itk::Octree could be a good starting point since there's
already an implementation available.

I was thinking of looking at how itk::Image is implemented and
hopefully... I'll manage to get somewhere...

Viet



> -----Original Message-----
> From: insight-users-bounces at itk.org
[mailto:insight-users-bounces at itk.org]
> On Behalf Of Robert Maroon
> Sent: 06 April 2005 21:46
> To: insight-users at itk.org
> Subject: [Insight-users] RE: itk::SparseImage + binary images in
> general(BUI XUAN Viet)
> 
> BUI XUAN Viet wrote:
> 
> ====================
> 1/ Complete "solution" that allows to work with an itk
> pipeline and with iterators to access pixels directly.
> ====================
> 
> This would be the ideal solution, as you mentioned.
> The question is, is this feasible in ITK? That is, to
> create an alternative "Image" type that could work
> transparently with iterators such that for most
> reasonable algorithms, the "Image" is read from (and,
> for some alternative image types, written to)
> transparently as an ITK-style raster image.
> 
> Besides sparse representations, I also imagine this
> could be useful for working with non-raster image
> types (e.g., EPS). (Though, of course, a filter
> couldn't *write* in a raster-wise manner into a vector
> graphic, but the vector graphic could still be used as
> an image source.)
> 
> Assuming it is technically possible in the current ITK
> class hierarchy, the other question would be where to
> place the class such that most of Image's methods
> would be exploitable immediately and not need to be
> rewritten.
> 
> Robert
> 
> 
> 
> 
> 
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