# Do photo collages confuse the iNaturalist Computer Vision model?

**URL:** <https://forum.inaturalist.org/t/do-photo-collages-confuse-the-inaturalist-computer-vision-model/66475>\
**Category:** General\
**Tags:** question\
**Created:** [June 16, 2025, 9:18am UTC](https://forum.inaturalist.org/t/do-photo-collages-confuse-the-inaturalist-computer-vision-model/66475 "2025-06-16T09:18:55Z")\
**Posts on this page:** 1\
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**Author:** ![misumeta](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/misumeta/32/32226_2.png) [@misumeta](https://forum.inaturalist.org/u/misumeta)\
**Post date:** [June 16, 2025, 9:00pm UTC](https://forum.inaturalist.org/t/do-photo-collages-confuse-the-inaturalist-computer-vision-model/66475/15 "2025-06-16T21:00:10Z")

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There is another aspect: iNat restricts and reduces the resolution of every single picture. To save the maximum of details for an observation it’s best to cut out what you want to identify rather than combining pictures.

> [@Notify user when new observation matches time stamp of pre-existing observation](https://forum.inaturalist.org/t/notify-user-when-new-observation-matches-time-stamp-of-pre-existing-observation/253/10):
>
> Just to be clear, here’s what happens when an image is uploaded to iNat:
> 
> - If it is larger than 2048 x 2048 pixels, it is resized so that its longest edge will be no longer than 2048 pixels. On mobile devices this is done _before_ an image is uploaded (to save on data use) and on the web, this is done after the image is uploaded

[https://forum.inaturalist.org/t/notify-user-when-new-observation-matches-time-stamp-of-pre-existing-observation/253/10](https://forum.inaturalist.org/t/notify-user-when-new-observation-matches-time-stamp-of-pre-existing-observation/253/10)

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