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Calculate Medoid for Labels #42

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pr4deepr opened this issue Jul 21, 2021 · 2 comments
Open

Calculate Medoid for Labels #42

pr4deepr opened this issue Jul 21, 2021 · 2 comments
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enhancement New feature or request

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@pr4deepr
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Hi @haesleinhuepf
This is a thought after hearing Florian's talk on EmbedSeg. Is there an option to calculate the medoid for a label object? My understanding is that the medoid should be a part of the object even if it is an irregular shape, in comparison to the centroid which doesn't need to be. If it is possible, this could be used for Label to ROI conversions and perhaps much more.

Cheers
Pradeep
@haesleinhuepf
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Hey Pradeep,

medoid for a label object

Can you point me to an equation which defines it? We can then see how to clij it :-)

Cheers,
Robert

@haesleinhuepf haesleinhuepf added the enhancement New feature or request label Jul 22, 2021
@pr4deepr
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As per their paper
https://arxiv.org/abs/2101.10033

The medoid pixel of the object instance Sk is the one pixel of the object with the smallest
average distance to all other pixels

Screenshot_20210723-012701

@haesleinhuepf haesleinhuepf transferred this issue from clij/clij2 Apr 23, 2022
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@haesleinhuepf @pr4deepr