# how to modify a metric in itk

**URL:** <https://discourse.itk.org/t/how-to-modify-a-metric-in-itk/2929>\
**Category:** Engineering\
**Created:** [April 11, 2020, 3:07pm UTC](https://discourse.itk.org/t/how-to-modify-a-metric-in-itk/2929 "2020-04-11T15:07:49Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dzenanz](https://discourse.itk.org/user_avatar/discourse.itk.org/dzenanz/32/1093_2.png) [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Post date:** [April 11, 2020, 4:13pm UTC](https://discourse.itk.org/t/how-to-modify-a-metric-in-itk/2929/4 "2020-04-11T16:13:44Z")

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There is a whole class hierarchy. Take a look at [this discussion](https://discourse.itk.org/t/changes-in-itk-mattes-mutual-information-metric/2353) for modification of mutual information metric.

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_[View the full topic](https://discourse.itk.org/t/how-to-modify-a-metric-in-itk/2929)._