ARKit Anchor Image tracking - slow updates when marker is moving

Hi,

I am running Unity with ARKit in an Iphone 8 and running the scene UnityARImageAnchor where a marker can be tracked and become an anchor.


I was following this tutorial https://blogs.unity3d.com/2018/02/16/developing-for-arkit-1-5-update-using-unity-arkit-plugin/ and I manage to track a custom marker image and display the AxesPrefab on top of it. The marker is tracked very well when the marker is not moving, but the update of the axes is very slow when the marker is moving (maybe around 1 Hz?). Was wondering if this is the normal/expected behaviour or I have to do some changes in my scene?

Thanks!

Up vote post of araujokth Down vote post of araujokth
4.5k views
Posted by
araujokth
Reply
Add a Comment

Replies

Same issue here with an iPhoneX and iPhone 8 : when moving marker, the updating rendering is very slow...

Posted by
Ysee-kzsln
Up vote reply of Ysee-kzsln Down vote reply of Ysee-kzsln
Add a Comment

same issue here with iPad (2018).
Is there no setting where I can increase the frequency with which ARKit will run it's pattern recognition?

Posted by
SantaKlaus
Up vote reply of SantaKlaus Down vote reply of SantaKlaus
Add a Comment

Try this.


ARWorldTrackingConfiguration *configuration = [[ARWorldTrackingConfiguration alloc] init];

....

configuration.maximumNumberOfTrackedImages = 1;

Posted by
minami-k
Post not yet marked as solved Up vote reply of minami-k Down vote reply of minami-k

  • ah... setting configuration.maximumNumberOfTrackedImages = 1 worked even with swift. Thanks!

    —
    eaallen
Add a Comment

Hello, The tutorial that you are referencing uses ARKit 1.5. Image tracking at 60 fps was introduced in ARKit 2 (iOS 12). Basically all you need to do is make sure you are on the latest version of XCode/iOS/Unity and your image tracking frequency will improve dramatically.

Posted by
gc_arkit
Up vote reply of gc_arkit Down vote reply of gc_arkit
Add a Comment