This article explains how to create a Model Target from 3D-scanning a physical object. This approach replaces the need to have the CAD model of the object and you may find that 3D-scanned models can be a great start for exploring the possibilities with Model Targets.
Before heading out to scan and capture objects with your scanning equipment or camera, we would like to point at two methods that we have found to work well. However, note that the accuracy and robustness of tracking Model Targets made from scanned objects might differ and be less consistent compared to Model Targets made from a CAD model.
The two methods for achieving Model Targets from scanned models are:
- Hardware aided scanning with the Occipital Structure Sensor.
This is the recommended approach both in terms of simplicity as well as scanning quality.
- If you don’t have access to the Structure Sensor, photogrammetric model generation from Meshroom or RealityCapture is also an option, but will require more work with less reliable results.
Both scanning methods have their advantages and limitations.
Another option is to use the Vuforia Object Scanner to create an Object Target.
The following should serve as a guide when to use which technology: