Image targets for the AR application ExcoAR. You can download the app from google play (https://play.google.com/store/apps/details?id=com.excera.ExcoAR&hl=en&gl=US) or apple store (https://apps.apple.com/sg/app/excoar2/id1452494849).
Object tracking algorithm is based on my paper: https://ieeexplore.ieee.org/abstract/document/9412445. App is created with Unity 3D and OpenCV For Unity plugin (https://assetstore.unity.com/packages/tools/integration/opencv-for-unity-21088).