Thanks Matt -
You are correct. Very similar. I will not post mine in that case.
Best
David
On 10/15/2015 03:17 PM, Matt McCormick wrote:
Hi David,
Thanks for contributing to ITK.
It sounds like this filter does the same as the BinShrinkImageFilter?:
http://www.insight-journal.org/browse/publication/912
Matt
On Thu, Oct 15, 2015 at 2:48 PM, David Burns <david.mo.bu...@gmail.com> wrote:
Dear Insight Developers,
I have developed an image filter that may be useful to the community. Please
let me know if you think this is the case, and I will submit it to the
Journal.
The filter produces a subsampled version of the input image, where the
output image has the same output dimensions (Size[i]*Spacing[i]) but with
the number of pixels (Size[i]) scaled down by a factor (factor[i]) across
the dimensions. The pixels of the output image are an average over the input
pixels they overlap. The filter verifies/ensures that factor[i] is an exact
factor of the input image Size[i], so that the image properties remain
unchanged by the filter.
I found this to be useful for my registration task to produce a lower
resolution image very quickly, without needing to use itk::
ResampleImageFilter, interpolation or smoothing.
I've attached a screenshot of an xray, subsampled / averaged by a factor of
4 in x and y. Let me know your thoughts?
Thanks
David Burns
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Kitware offers ITK Training Courses, for more information visit:
http://kitware.com/products/protraining.php
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http://www.itk.org/Wiki/ITK_FAQ
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