# Changes In ITK Mattes Mutual Information Metric

**URL:** https://discourse.itk.org/t/changes-in-itk-mattes-mutual-information-metric/2353
**Category:** Algorithms
**Tags:** implementation, c, mutual-information
**Created:** [October 26, 2019, 9:47pm UTC](https://discourse.itk.org/t/changes-in-itk-mattes-mutual-information-metric/2353 "2019-10-26T21:47:19Z")
**Posts on this page:** 1
**Showing post:** 10

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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: [November 8, 2019, 10:19pm UTC](https://discourse.itk.org/t/changes-in-itk-mattes-mutual-information-metric/2353/10 "2019-11-08T22:19:54Z")

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> [@machadoL](#):
>
> Can I call those new files just by putting them inside the project folder and including them in the beginning of the main file?

Yes, that should be all. Most filters get started exactly like that. And if you later conclude that the filter(s) are valuable, you can put them into a remote module.

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