# Invalid Image Reference

**URL:** <https://community.nianticspatial.com/t/invalid-image-reference/1869>\
**Category:** I'm Stuck\
**Created:** [April 21, 2022, 6:35am UTC](https://community.nianticspatial.com/t/invalid-image-reference/1869 "2022-04-21T06:35:58Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Dwiky](https://avatars.discourse-cdn.com/v4/letter/d/c4cdca/32.png) [@Dwiky](https://community.nianticspatial.com/u/Dwiky)\
**Post date:** [April 21, 2022, 6:35am UTC](https://community.nianticspatial.com/t/invalid-image-reference/1869/1 "2022-04-21T06:35:59Z")

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_Include the following details (edit as applicable):_

- **Issue category** : Image Detection
- **Device type & OS version** : Android
- **Host machine & OS version** : Windows
- **Issue Environment** : On Device / Dev Portal
- **ARDK version** : 1.2.0
- **Unity version** : Unity 2020.3.25f1

Description of the issue:  
Im trying to make image references using the method adding .bytes to the jpg file but after i’m insert it in AR Image detection manager in the image at bytes when i build into android there error in log “Invalid Image Refence”. i tried to make via script using getrawdata from texture and using texture encodeToJGP method, it still didnt work.

i can’t figurre this why ar image detection didn’t detect the image. Any help would be appreciated.

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**Author:** ![Jason\_Rose1](https://sea2.discourse-cdn.com/niantic/user_avatar/community.nianticspatial.com/jason_rose1/32/28_2.png) [@Jason\_Rose1](https://community.nianticspatial.com/u/Jason_Rose1)\
**Post date:** [April 21, 2022, 4:46pm UTC](https://community.nianticspatial.com/t/invalid-image-reference/1869/2 "2022-04-21T16:46:59Z")

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Hi Dwiky,

Have you tried any of the ARDK tutorials on this subject? The [Basic Querying Semantics Tutorial in Niantic Lightship](https://www.youtube.com/watch?v=WletdREtj4Y). This could help resolve your issue.

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**Author:** ![Jason\_Rose1](https://sea2.discourse-cdn.com/niantic/user_avatar/community.nianticspatial.com/jason_rose1/32/28_2.png) [@Jason\_Rose1](https://community.nianticspatial.com/u/Jason_Rose1)\
**Post date:** [April 28, 2022, 2:17pm UTC](https://community.nianticspatial.com/t/invalid-image-reference/1869/3 "2022-04-28T14:17:08Z")

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Hello Dwiky,

Upon further research I also found this resource that might better assist you with your image recognition problem:  
[Detecting Images](https://lightship.dev/docs/detecting_images.html)

This resource may help unblock you. Please let us know if this helps.

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**Author:** ![Maverick\_Niantic](https://avatars.discourse-cdn.com/v4/letter/m/8edcca/32.png) [@Maverick\_Niantic](https://community.nianticspatial.com/u/Maverick_Niantic)\
**Post date:** [March 5, 2026, 11:50pm UTC](https://community.nianticspatial.com/t/invalid-image-reference/1869/4 "2026-03-05T23:50:15Z")

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Closed on March 5, 2026, 11:50pm UTC

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