[ITK-dev] New Image Filter for Submission

[David Burns]

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.burns at 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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