Tutorial on the creation with ue4.27 of an arccore image, which uses several images with different 3d models, and with adaptation of the brightness according to the scene, and with the use of more complex materials, eg glass and metal.
link for the project:
https://mega.nz/file/MYc0kLpS#u6hGSY5GMJ26h7dS_KgkJhi5avxVLJkUmCO7wKTs5UM
once unzipped inside the folder
\ Content \ ArcoreToolsImageTesting, there is a program to test image detection.