ITK Release 4/SimpleITK/Tcon 2012 5 02

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Tcon Information

  Please join the following teleconference line:
      Toll-Free #:      1-888-677-0429
      Participant Code: 96280
  Wednesday, May 2nd, 9:30am Eastern Time


  • Bradley Lowekamp
  • Dan Blezek


Daily Details

  • The Stage Repository
      SIMPLEITK-224_AddVectorSupportGetBuffer | master=0 next=0
      SIMPLEITK-103_AddedEnvironmentVariables | master=0 next=1
SIMPLEITK-282_AddSupportToGetBufferForVectors | master=0 next=1
             SIMPLEITK-1_AddImageRegistration | master=0 next=0
    SIMPLEITK-267_ExamplesAsStandaloneProject | master=0 next=1
     SIMPLEITK-AddNumpySupportForVectorImages | master=0 next=0
              SIMPLEITK-285_MaintainDashboard | master=0 next=1
   SIMPLEITK-283_AddImageConstructorForVector | master=0 next=1
                          UpdateDataSubmodule | master=0 next=1
  SIMPLEITK-194_UpdateResampleForVectorImages | master=0 next=1
             SIMPLEITK-264_AddTransformations | master=0 next=0
          SIMPLEITK-279_AddComposeImageFilter | master=0 next=1
         SIMPLEITK-211_AddingWatershedFilters | master=0 next=0

New Issues

Update On Transformations for Registration

  • Dan?

Gradient ImageFilter

  • Specifically we don't have a gradient image filter. ITK uses CovariantVectors which are very problematic to convert to VectorImages.

PyBuffer Issues

  • Support for old python buffer interface?
    • With numpy 1.5 it appears that we are unable to get a PEP 3118 Buffer interface


Valgrind failures

  • Both Valgrind and VS10 debug are reporting failures on the same test.
  • Real bug here must be addressed.

Shared libraries on Windows

  • Need to add the ITK library directory to the PATH environmental variable to correctly load dlls.

User Requested Features

  • A couple of post on the users list related to better support for VectorImages or 4D images. Reading, accessing buffer and pixel and converting to numpy.
  • A users wanting to use the edge potential image filter, there is not way to create gradient image. Nor compose scalar images into a vector image.

Priorities for next release

  • Registration
  • C++ installation
  • Splitting Wrapping directory into languages
  • Splitting BasicFilters Library
  • improved vector image support


  • Discuss long term goals and milestones.
  • Documentations
  • Registration is very important