[Insight-users] Reading portion of the image without loading the whole image into the memory

[yan xu]

Hi, all
      I'm facing a problem to read only portion of the image to test the
algorithm since the whole image is too big for the memory. I have tried
using the itk pipeline through extractimage filter, but I don't think it
works. The memory still goes larger and larger. My image type is 16bit
nrrd. What I hope is that the only the desired region of the image is
loaded into the memory. Is there a solution for that? Thank you!

-- 
Yan Xu
Research Assistant
Bio-Image Analytics Laboratory
Department of Electrical and Computer Engineering
University of Houston
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