Revision as of 13:17, 27 June 2007

Home < Special topic breakout: ITK

Tutorial Session on ITK (Luis Ibanez)

Topics

How do you efficiently integrate VTK and ITK with respect to reading and writing images? Is there one class that can be used to hold data sets for both libraries?
How to do FFTs in ITK?
What type of coordinate space should be used, voxels vs. real space?
What type of image formats should be used?
Is there any standard way to read in coefficient files, i.e., algorithm specific parameters?
How are XML/MRML files parced in ITK/VTK? We want to know how to use the vtkXMLparser and MRML objects to parse our XML files.
What are the memory and performance issues with ITK?
How can we debug memory leaks (or force memory collector to start collecting)?

ITK - VTK Integration
- http://insight-journal.org/dspace/handle/1926/495
FFT
- Insight/Examples/Filtering/
  - FFTDirectInverse.cxx
  - FFTDirectInverse2.cxx
  - FFTImageFilter.cxx
  - FFTImageFilterFourierDomainFiltering.cxx
  - http://insight-journal.org/dspace/handle/1926/326
  - http://insight-journal.org/dspace/handle/1926/321
Voxels vs Real Space
- Real Space
File Formats
- Depends on the purpose...
  - MetaImage
  - Analyze
  - DICOM
  - Nrrd
Standard for reading coefficients
- Not really...
- It is worth to define one
XML/MRML Parsing
- Need help from Steve Pieper here (Jim? Alex? Laurent?)
Memory issues in ITK
- Many Trade offs
- Usually trading computation time versus memory
- ITK only supports shared memory, not distributed memory (MPI)

@@ Line 9: / Line 9: @@
 *How are XML/MRML files parced in ITK/VTK? We want to know how to use the vtkXMLparser and MRML objects to parse our XML files.
 *What are the memory and performance issues with ITK?
+*How can we debug memory leaks (or force memory collector to start collecting)?
 = Hands On =